diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-03-09 19:41:15 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-03-09 19:41:15 +1000 |
| commit | 8dd0eb3566711d81bfbe2b4421b33f0dd723cec4 (patch) | |
| tree | e5567779a5b874d895761d37774a43100c2e77a9 | |
| parent | d136dfeec84bfe3e4238bacd23f21e161268deac (diff) | |
| parent | f89fe1ffe698a6bb7671ebf99f5bb918fda4cf35 (diff) | |
| download | blackbird-obmc-linux-8dd0eb3566711d81bfbe2b4421b33f0dd723cec4.tar.gz blackbird-obmc-linux-8dd0eb3566711d81bfbe2b4421b33f0dd723cec4.zip | |
Merge tag 'drm-intel-next-2015-02-27' of git://anongit.freedesktop.org/drm-intel into drm-next
- Y tiling support for scanout from Tvrtko&Damien
- Remove more UMS support
- some small prep patches for OLR removal from John Harrison
- first few patches for dynamic pagetable allocation from Ben Widawsky, rebased
by tons of other people
- DRRS support patches (Sonika&Vandana)
- fbc patches from Paulo
- make sure our vblank callbacks aren't called when the pipes are off
- various patches all over
* tag 'drm-intel-next-2015-02-27' of git://anongit.freedesktop.org/drm-intel: (61 commits)
drm/i915: Update DRIVER_DATE to 20150227
drm/i915: Clarify obj->map_and_fenceable
drm/i915/skl: Allow Y (and Yf) frame buffer creation
drm/i915/skl: Update watermarks for Y tiling
drm/i915/skl: Updated watermark programming
drm/i915/skl: Adjust get_plane_config() to support Yb/Yf tiling
drm/i915/skl: Teach pin_and_fence_fb_obj() about Y tiling constraints
drm/i915/skl: Adjust intel_fb_align_height() for Yb/Yf tiling
drm/i915/skl: Allow scanning out Y and Yf fbs
drm/i915/skl: Add new displayable tiling formats
drm/i915: Remove DRIVER_MODESET checks from modeset code
drm/i915: Remove regfile code&data for UMS suspend/resume
drm/i915: Remove DRIVER_MODESET checks from gem code
drm/i915: Remove DRIVER_MODESET checks in the gpu reset code
drm/i915: Remove DRIVER_MODESET checks from suspend/resume code
drm/i915: Remove DRIVER_MODESET checks in load/unload/close code
drm/i915: fix a printk format
drm/i915: Add media rc6 residency file to sysfs
drm/i915: Add missing description to parameter in alloc_pt_range
drm/i915: Removed the read of RP_STATE_CAP from sysfs/debugfs functions
...
38 files changed, 1604 insertions, 1706 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 249f0c9ede40..7a45775518f6 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -4053,6 +4053,17 @@ int num_ioctls;</synopsis> !Idrivers/gpu/drm/i915/intel_fbc.c </sect2> <sect2> + <title>Display Refresh Rate Switching (DRRS)</title> +!Pdrivers/gpu/drm/i915/intel_dp.c Display Refresh Rate Switching (DRRS) +!Fdrivers/gpu/drm/i915/intel_dp.c intel_dp_set_drrs_state +!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_enable +!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_disable +!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_invalidate +!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_flush +!Fdrivers/gpu/drm/i915/intel_dp.c intel_dp_drrs_init + + </sect2> + <sect2> <title>DPIO</title> !Pdrivers/gpu/drm/i915/i915_reg.h DPIO <table id="dpiox2"> diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index c9f5453f20e7..c8a34476570a 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -276,7 +276,6 @@ static void vblank_disable_fn(unsigned long arg) void drm_vblank_cleanup(struct drm_device *dev) { int crtc; - unsigned long irqflags; /* Bail if the driver didn't call drm_vblank_init() */ if (dev->num_crtcs == 0) @@ -285,11 +284,10 @@ void drm_vblank_cleanup(struct drm_device *dev) for (crtc = 0; crtc < dev->num_crtcs; crtc++) { struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; - del_timer_sync(&vblank->disable_timer); + WARN_ON(vblank->enabled && + drm_core_check_feature(dev, DRIVER_MODESET)); - spin_lock_irqsave(&dev->vbl_lock, irqflags); - vblank_disable_and_save(dev, crtc); - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + del_timer_sync(&vblank->disable_timer); } kfree(dev->vblank); @@ -475,17 +473,23 @@ int drm_irq_uninstall(struct drm_device *dev) dev->irq_enabled = false; /* - * Wake up any waiters so they don't hang. + * Wake up any waiters so they don't hang. This is just to paper over + * isssues for UMS drivers which aren't in full control of their + * vblank/irq handling. KMS drivers must ensure that vblanks are all + * disabled when uninstalling the irq handler. */ if (dev->num_crtcs) { spin_lock_irqsave(&dev->vbl_lock, irqflags); for (i = 0; i < dev->num_crtcs; i++) { struct drm_vblank_crtc *vblank = &dev->vblank[i]; + if (!vblank->enabled) + continue; + + WARN_ON(drm_core_check_feature(dev, DRIVER_MODESET)); + + vblank_disable_and_save(dev, i); wake_up(&vblank->queue); - vblank->enabled = false; - vblank->last = - dev->driver->get_vblank_counter(dev, i); } spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } @@ -1233,6 +1237,38 @@ void drm_crtc_vblank_off(struct drm_crtc *crtc) EXPORT_SYMBOL(drm_crtc_vblank_off); /** + * drm_crtc_vblank_reset - reset vblank state to off on a CRTC + * @crtc: CRTC in question + * + * Drivers can use this function to reset the vblank state to off at load time. + * Drivers should use this together with the drm_crtc_vblank_off() and + * drm_crtc_vblank_on() functions. The difference compared to + * drm_crtc_vblank_off() is that this function doesn't save the vblank counter + * and hence doesn't need to call any driver hooks. + */ +void drm_crtc_vblank_reset(struct drm_crtc *drm_crtc) +{ + struct drm_device *dev = drm_crtc->dev; + unsigned long irqflags; + int crtc = drm_crtc_index(drm_crtc); + struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; + + spin_lock_irqsave(&dev->vbl_lock, irqflags); + /* + * Prevent subsequent drm_vblank_get() from enabling the vblank + * interrupt by bumping the refcount. + */ + if (!vblank->inmodeset) { + atomic_inc(&vblank->refcount); + vblank->inmodeset = 1; + } + spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + + WARN_ON(!list_empty(&dev->vblank_event_list)); +} +EXPORT_SYMBOL(drm_crtc_vblank_reset); + +/** * drm_vblank_on - enable vblank events on a CRTC * @dev: DRM device * @crtc: CRTC in question @@ -1653,7 +1689,7 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc) struct timeval tvblank; unsigned long irqflags; - if (!dev->num_crtcs) + if (WARN_ON_ONCE(!dev->num_crtcs)) return false; if (WARN_ON(crtc >= dev->num_crtcs)) diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index f025e7fae253..d3ebaf204408 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -87,8 +87,7 @@ i915-y += dvo_ch7017.o \ i915-y += i915_vgpu.o # legacy horrors -i915-y += i915_dma.o \ - i915_ums.o +i915-y += i915_dma.o obj-$(CONFIG_DRM_I915) += i915.o diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index 806e812340d0..9a6da3536ae5 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -818,24 +818,26 @@ static bool valid_reg(const u32 *table, int count, u32 addr) return false; } -static u32 *vmap_batch(struct drm_i915_gem_object *obj) +static u32 *vmap_batch(struct drm_i915_gem_object *obj, + unsigned start, unsigned len) { int i; void *addr = NULL; struct sg_page_iter sg_iter; + int first_page = start >> PAGE_SHIFT; + int last_page = (len + start + 4095) >> PAGE_SHIFT; + int npages = last_page - first_page; struct page **pages; - pages = drm_malloc_ab(obj->base.size >> PAGE_SHIFT, sizeof(*pages)); + pages = drm_malloc_ab(npages, sizeof(*pages)); if (pages == NULL) { DRM_DEBUG_DRIVER("Failed to get space for pages\n"); goto finish; } i = 0; - for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { - pages[i] = sg_page_iter_page(&sg_iter); - i++; - } + for_each_sg_page(obj->pages->sgl, &sg_iter, npages, first_page) + pages[i++] = sg_page_iter_page(&sg_iter); addr = vmap(pages, i, 0, PAGE_KERNEL); if (addr == NULL) { @@ -855,61 +857,61 @@ static u32 *copy_batch(struct drm_i915_gem_object *dest_obj, u32 batch_start_offset, u32 batch_len) { - int ret = 0; int needs_clflush = 0; - u32 *src_base, *dest_base = NULL; - u32 *src_addr, *dest_addr; - u32 offset = batch_start_offset / sizeof(*dest_addr); - u32 end = batch_start_offset + batch_len; + void *src_base, *src; + void *dst = NULL; + int ret; - if (end > dest_obj->base.size || end > src_obj->base.size) + if (batch_len > dest_obj->base.size || + batch_len + batch_start_offset > src_obj->base.size) return ERR_PTR(-E2BIG); ret = i915_gem_obj_prepare_shmem_read(src_obj, &needs_clflush); if (ret) { - DRM_DEBUG_DRIVER("CMD: failed to prep read\n"); + DRM_DEBUG_DRIVER("CMD: failed to prepare shadow batch\n"); return ERR_PTR(ret); } - src_base = vmap_batch(src_obj); + src_base = vmap_batch(src_obj, batch_start_offset, batch_len); if (!src_base) { DRM_DEBUG_DRIVER("CMD: Failed to vmap batch\n"); ret = -ENOMEM; goto unpin_src; } - src_addr = src_base + offset; - - if (needs_clflush) - drm_clflush_virt_range((char *)src_addr, batch_len); + ret = i915_gem_object_get_pages(dest_obj); + if (ret) { + DRM_DEBUG_DRIVER("CMD: Failed to get pages for shadow batch\n"); + goto unmap_src; + } + i915_gem_object_pin_pages(dest_obj); ret = i915_gem_object_set_to_cpu_domain(dest_obj, true); if (ret) { - DRM_DEBUG_DRIVER("CMD: Failed to set batch CPU domain\n"); + DRM_DEBUG_DRIVER("CMD: Failed to set shadow batch to CPU\n"); goto unmap_src; } - dest_base = vmap_batch(dest_obj); - if (!dest_base) { + dst = vmap_batch(dest_obj, 0, batch_len); + if (!dst) { DRM_DEBUG_DRIVER("CMD: Failed to vmap shadow batch\n"); + i915_gem_object_unpin_pages(dest_obj); ret = -ENOMEM; goto unmap_src; } - dest_addr = dest_base + offset; - - if (batch_start_offset != 0) - memset((u8 *)dest_base, 0, batch_start_offset); + src = src_base + offset_in_page(batch_start_offset); + if (needs_clflush) + drm_clflush_virt_range(src, batch_len); - memcpy(dest_addr, src_addr, batch_len); - memset((u8 *)dest_addr + batch_len, 0, dest_obj->base.size - end); + memcpy(dst, src, batch_len); unmap_src: vunmap(src_base); unpin_src: i915_gem_object_unpin_pages(src_obj); - return ret ? ERR_PTR(ret) : dest_base; + return ret ? ERR_PTR(ret) : dst; } /** @@ -1046,34 +1048,26 @@ int i915_parse_cmds(struct intel_engine_cs *ring, u32 batch_len, bool is_master) { - int ret = 0; u32 *cmd, *batch_base, *batch_end; struct drm_i915_cmd_descriptor default_desc = { 0 }; bool oacontrol_set = false; /* OACONTROL tracking. See check_cmd() */ - - ret = i915_gem_obj_ggtt_pin(shadow_batch_obj, 4096, 0); - if (ret) { - DRM_DEBUG_DRIVER("CMD: Failed to pin shadow batch\n"); - return -1; - } + int ret = 0; batch_base = copy_batch(shadow_batch_obj, batch_obj, batch_start_offset, batch_len); if (IS_ERR(batch_base)) { DRM_DEBUG_DRIVER("CMD: Failed to copy batch\n"); - i915_gem_object_ggtt_unpin(shadow_batch_obj); return PTR_ERR(batch_base); } - cmd = batch_base + (batch_start_offset / sizeof(*cmd)); - /* * We use the batch length as size because the shadow object is as * large or larger and copy_batch() will write MI_NOPs to the extra * space. Parsing should be faster in some cases this way. */ - batch_end = cmd + (batch_len / sizeof(*batch_end)); + batch_end = batch_base + (batch_len / sizeof(*batch_end)); + cmd = batch_base; while (cmd < batch_end) { const struct drm_i915_cmd_descriptor *desc; u32 length; @@ -1132,7 +1126,7 @@ int i915_parse_cmds(struct intel_engine_cs *ring, } vunmap(batch_base); - i915_gem_object_ggtt_unpin(shadow_batch_obj); + i915_gem_object_unpin_pages(shadow_batch_obj); return ret; } diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 164fa8286fb9..94b3984dbea0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -139,10 +139,11 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); if (obj->base.name) seq_printf(m, " (name: %d)", obj->base.name); - list_for_each_entry(vma, &obj->vma_list, vma_link) + list_for_each_entry(vma, &obj->vma_list, vma_link) { if (vma->pin_count > 0) pin_count++; - seq_printf(m, " (pinned x %d)", pin_count); + } + seq_printf(m, " (pinned x %d)", pin_count); if (obj->pin_display) seq_printf(m, " (display)"); if (obj->fence_reg != I915_FENCE_REG_NONE) @@ -580,7 +581,7 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data) seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n", work->flip_queued_vblank, work->flip_ready_vblank, - drm_vblank_count(dev, crtc->pipe)); + drm_crtc_vblank_count(&crtc->base)); if (work->enable_stall_check) seq_puts(m, "Stall check enabled, "); else @@ -2185,7 +2186,7 @@ static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev) struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; seq_puts(m, "aliasing PPGTT:\n"); - seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset); + seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.pd_offset); ppgtt->debug_dump(ppgtt, m); } @@ -4191,7 +4192,7 @@ i915_max_freq_set(void *data, u64 val) { struct drm_device *dev = data; struct drm_i915_private *dev_priv = dev->dev_private; - u32 rp_state_cap, hw_max, hw_min; + u32 hw_max, hw_min; int ret; if (INTEL_INFO(dev)->gen < 6) @@ -4208,18 +4209,10 @@ i915_max_freq_set(void *data, u64 val) /* * Turbo will still be enabled, but won't go above the set value. */ - if (IS_VALLEYVIEW(dev)) { - val = intel_freq_opcode(dev_priv, val); + val = intel_freq_opcode(dev_priv, val); - hw_max = dev_priv->rps.max_freq; - hw_min = dev_priv->rps.min_freq; - } else { - val = intel_freq_opcode(dev_priv, val); - - rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); - hw_max = dev_priv->rps.max_freq; - hw_min = (rp_state_cap >> 16) & 0xff; - } + hw_max = dev_priv->rps.max_freq; + hw_min = dev_priv->rps.min_freq; if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { mutex_unlock(&dev_priv->rps.hw_lock); @@ -4266,7 +4259,7 @@ i915_min_freq_set(void *data, u64 val) { struct drm_device *dev = data; struct drm_i915_private *dev_priv = dev->dev_private; - u32 rp_state_cap, hw_max, hw_min; + u32 hw_max, hw_min; int ret; if (INTEL_INFO(dev)->gen < 6) @@ -4283,18 +4276,10 @@ i915_min_freq_set(void *data, u64 val) /* * Turbo will still be enabled, but won't go below the set value. */ - if (IS_VALLEYVIEW(dev)) { - val = intel_freq_opcode(dev_priv, val); + val = intel_freq_opcode(dev_priv, val); - hw_max = dev_priv->rps.max_freq; - hw_min = dev_priv->rps.min_freq; - } else { - val = intel_freq_opcode(dev_priv, val); - - rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); - hw_max = dev_priv->rps.max_freq; - hw_min = (rp_state_cap >> 16) & 0xff; - } + hw_max = dev_priv->rps.max_freq; + hw_min = dev_priv->rps.min_freq; if (val < hw_min || val > hw_max || val > dev_priv->rps.max_freq_softlimit) { mutex_unlock(&dev_priv->rps.hw_lock); @@ -4370,6 +4355,85 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, i915_cache_sharing_get, i915_cache_sharing_set, "%llu\n"); +static int i915_sseu_status(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned int s_tot = 0, ss_tot = 0, ss_per = 0, eu_tot = 0, eu_per = 0; + + if (INTEL_INFO(dev)->gen < 9) + return -ENODEV; + + seq_puts(m, "SSEU Device Info\n"); + seq_printf(m, " Available Slice Total: %u\n", + INTEL_INFO(dev)->slice_total); + seq_printf(m, " Available Subslice Total: %u\n", + INTEL_INFO(dev)->subslice_total); + seq_printf(m, " Available Subslice Per Slice: %u\n", + INTEL_INFO(dev)->subslice_per_slice); + seq_printf(m, " Available EU Total: %u\n", + INTEL_INFO(dev)->eu_total); + seq_printf(m, " Available EU Per Subslice: %u\n", + INTEL_INFO(dev)->eu_per_subslice); + seq_printf(m, " Has Slice Power Gating: %s\n", + yesno(INTEL_INFO(dev)->has_slice_pg)); + seq_printf(m, " Has Subslice Power Gating: %s\n", + yesno(INTEL_INFO(dev)->has_subslice_pg)); + seq_printf(m, " Has EU Power Gating: %s\n", + yesno(INTEL_INFO(dev)->has_eu_pg)); + + seq_puts(m, "SSEU Device Status\n"); + if (IS_SKYLAKE(dev)) { + const int s_max = 3, ss_max = 4; + int s, ss; + u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2]; + + s_reg[0] = I915_READ(GEN9_SLICE0_PGCTL_ACK); + s_reg[1] = I915_READ(GEN9_SLICE1_PGCTL_ACK); + s_reg[2] = I915_READ(GEN9_SLICE2_PGCTL_ACK); + eu_reg[0] = I915_READ(GEN9_SLICE0_SS01_EU_PGCTL_ACK); + eu_reg[1] = I915_READ(GEN9_SLICE0_SS23_EU_PGCTL_ACK); + eu_reg[2] = I915_READ(GEN9_SLICE1_SS01_EU_PGCTL_ACK); + eu_reg[3] = I915_READ(GEN9_SLICE1_SS23_EU_PGCTL_ACK); + eu_reg[4] = I915_READ(GEN9_SLICE2_SS01_EU_PGCTL_ACK); + eu_reg[5] = I915_READ(GEN9_SLICE2_SS23_EU_PGCTL_ACK); + eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK | + GEN9_PGCTL_SSA_EU19_ACK | + GEN9_PGCTL_SSA_EU210_ACK | + GEN9_PGCTL_SSA_EU311_ACK; + eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK | + GEN9_PGCTL_SSB_EU19_ACK | + GEN9_PGCTL_SSB_EU210_ACK | + GEN9_PGCTL_SSB_EU311_ACK; + + for (s = 0; s < s_max; s++) { + if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0) + /* skip disabled slice */ + continue; + + s_tot++; + ss_per = INTEL_INFO(dev)->subslice_per_slice; + ss_tot += ss_per; + for (ss = 0; ss < ss_max; ss++) { + unsigned int eu_cnt; + + eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] & + eu_mask[ss%2]); + eu_tot += eu_cnt; + eu_per = max(eu_per, eu_cnt); + } + } + } + seq_printf(m, " Enabled Slice Total: %u\n", s_tot); + seq_printf(m, " Enabled Subslice Total: %u\n", ss_tot); + seq_printf(m, " Enabled Subslice Per Slice: %u\n", ss_per); + seq_printf(m, " Enabled EU Total: %u\n", eu_tot); + seq_printf(m, " Enabled EU Per Subslice: %u\n", eu_per); + + return 0; +} + static int i915_forcewake_open(struct inode *inode, struct file *file) { struct drm_device *dev = inode->i_private; @@ -4483,6 +4547,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_dp_mst_info", i915_dp_mst_info, 0}, {"i915_wa_registers", i915_wa_registers, 0}, {"i915_ddb_info", i915_ddb_info, 0}, + {"i915_sseu_status", i915_sseu_status, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 5804aa5f9df0..053e1788f578 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -606,6 +606,7 @@ static void intel_device_info_runtime_init(struct drm_device *dev) } } + /* Initialize slice/subslice/EU info */ if (IS_CHERRYVIEW(dev)) { u32 fuse, mask_eu; @@ -615,7 +616,90 @@ static void intel_device_info_runtime_init(struct drm_device *dev) CHV_FGT_EU_DIS_SS1_R0_MASK | CHV_FGT_EU_DIS_SS1_R1_MASK); info->eu_total = 16 - hweight32(mask_eu); + } else if (IS_SKYLAKE(dev)) { + const int s_max = 3, ss_max = 4, eu_max = 8; + int s, ss; + u32 fuse2, eu_disable[s_max], s_enable, ss_disable; + + fuse2 = I915_READ(GEN8_FUSE2); + s_enable = (fuse2 & GEN8_F2_S_ENA_MASK) >> + GEN8_F2_S_ENA_SHIFT; + ss_disable = (fuse2 & GEN9_F2_SS_DIS_MASK) >> + GEN9_F2_SS_DIS_SHIFT; + + eu_disable[0] = I915_READ(GEN8_EU_DISABLE0); + eu_disable[1] = I915_READ(GEN8_EU_DISABLE1); + eu_disable[2] = I915_READ(GEN8_EU_DISABLE2); + + info->slice_total = hweight32(s_enable); + /* + * The subslice disable field is global, i.e. it applies + * to each of the enabled slices. + */ + info->subslice_per_slice = ss_max - hweight32(ss_disable); + info->subslice_total = info->slice_total * + info->subslice_per_slice; + + /* + * Iterate through enabled slices and subslices to + * count the total enabled EU. + */ + for (s = 0; s < s_max; s++) { + if (!(s_enable & (0x1 << s))) + /* skip disabled slice */ + continue; + + for (ss = 0; ss < ss_max; ss++) { + u32 n_disabled; + + if (ss_disable & (0x1 << ss)) + /* skip disabled subslice */ + continue; + + n_disabled = hweight8(eu_disable[s] >> + (ss * eu_max)); + + /* + * Record which subslice(s) has(have) 7 EUs. we + * can tune the hash used to spread work among + * subslices if they are unbalanced. + */ + if (eu_max - n_disabled == 7) + info->subslice_7eu[s] |= 1 << ss; + + info->eu_total += eu_max - n_disabled; + } + } + + /* + * SKL is expected to always have a uniform distribution + * of EU across subslices with the exception that any one + * EU in any one subslice may be fused off for die + * recovery. + */ + info->eu_per_subslice = info->subslice_total ? + DIV_ROUND_UP(info->eu_total, + info->subslice_total) : 0; + /* + * SKL supports slice power gating on devices with more than + * one slice, and supports EU power gating on devices with + * more than one EU pair per subslice. + */ + info->has_slice_pg = (info->slice_total > 1) ? 1 : 0; + info->has_subslice_pg = 0; + info->has_eu_pg = (info->eu_per_subslice > 2) ? 1 : 0; } + DRM_DEBUG_DRIVER("slice total: %u\n", info->slice_total); + DRM_DEBUG_DRIVER("subslice total: %u\n", info->subslice_total); + DRM_DEBUG_DRIVER("subslice per slice: %u\n", info->subslice_per_slice); + DRM_DEBUG_DRIVER("EU total: %u\n", info->eu_total); + DRM_DEBUG_DRIVER("EU per subslice: %u\n", info->eu_per_subslice); + DRM_DEBUG_DRIVER("has slice power gating: %s\n", + info->has_slice_pg ? "y" : "n"); + DRM_DEBUG_DRIVER("has subslice power gating: %s\n", + info->has_subslice_pg ? "y" : "n"); + DRM_DEBUG_DRIVER("has EU power gating: %s\n", + info->has_eu_pg ? "y" : "n"); } /** @@ -638,17 +722,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) info = (struct intel_device_info *) flags; - /* Refuse to load on gen6+ without kms enabled. */ - if (info->gen >= 6 && !drm_core_check_feature(dev, DRIVER_MODESET)) { - DRM_INFO("Your hardware requires kernel modesetting (KMS)\n"); - DRM_INFO("See CONFIG_DRM_I915_KMS, nomodeset, and i915.modeset parameters\n"); - return -ENODEV; - } - - /* UMS needs agp support. */ - if (!drm_core_check_feature(dev, DRIVER_MODESET) && !dev->agp) - return -EINVAL; - dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); if (dev_priv == NULL) return -ENOMEM; @@ -718,20 +791,18 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (ret) goto out_regs; - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - /* WARNING: Apparently we must kick fbdev drivers before vgacon, - * otherwise the vga fbdev driver falls over. */ - ret = i915_kick_out_firmware_fb(dev_priv); - if (ret) { - DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); - goto out_gtt; - } + /* WARNING: Apparently we must kick fbdev drivers before vgacon, + * otherwise the vga fbdev driver falls over. */ + ret = i915_kick_out_firmware_fb(dev_priv); + if (ret) { + DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); + goto out_gtt; + } - ret = i915_kick_out_vgacon(dev_priv); - if (ret) { - DRM_ERROR("failed to remove conflicting VGA console\n"); - goto out_gtt; - } + ret = i915_kick_out_vgacon(dev_priv); + if (ret) { + DRM_ERROR("failed to remove conflicting VGA console\n"); + goto out_gtt; } pci_set_master(dev->pdev); @@ -835,12 +906,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) intel_power_domains_init(dev_priv); - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - ret = i915_load_modeset_init(dev); - if (ret < 0) { - DRM_ERROR("failed to init modeset\n"); - goto out_power_well; - } + ret = i915_load_modeset_init(dev); + if (ret < 0) { + DRM_ERROR("failed to init modeset\n"); + goto out_power_well; } /* @@ -929,28 +998,25 @@ int i915_driver_unload(struct drm_device *dev) acpi_video_unregister(); - if (drm_core_check_feature(dev, DRIVER_MODESET)) - intel_fbdev_fini(dev); + intel_fbdev_fini(dev); drm_vblank_cleanup(dev); - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - intel_modeset_cleanup(dev); + intel_modeset_cleanup(dev); - /* - * free the memory space allocated for the child device - * config parsed from VBT - */ - if (dev_priv->vbt.child_dev && dev_priv->vbt.child_dev_num) { - kfree(dev_priv->vbt.child_dev); - dev_priv->vbt.child_dev = NULL; - dev_priv->vbt.child_dev_num = 0; - } - - vga_switcheroo_unregister_client(dev->pdev); - vga_client_register(dev->pdev, NULL, NULL, NULL); + /* + * free the memory space allocated for the child device + * config parsed from VBT + */ + if (dev_priv->vbt.child_dev && dev_priv->vbt.child_dev_num) { + kfree(dev_priv->vbt.child_dev); + dev_priv->vbt.child_dev = NULL; + dev_priv->vbt.child_dev_num = 0; } + vga_switcheroo_unregister_client(dev->pdev); + vga_client_register(dev->pdev, NULL, NULL, NULL); + /* Free error state after interrupts are fully disabled. */ cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work); i915_destroy_error_state(dev); @@ -960,17 +1026,15 @@ int i915_driver_unload(struct drm_device *dev) intel_opregion_fini(dev); - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Flush any outstanding unpin_work. */ - flush_workqueue(dev_priv->wq); + /* Flush any outstanding unpin_work. */ + flush_workqueue(dev_priv->wq); - mutex_lock(&dev->struct_mutex); - i915_gem_cleanup_ringbuffer(dev); - i915_gem_batch_pool_fini(&dev_priv->mm.batch_pool); - i915_gem_context_fini(dev); - mutex_unlock(&dev->struct_mutex); - i915_gem_cleanup_stolen(dev); - } + mutex_lock(&dev->struct_mutex); + i915_gem_cleanup_ringbuffer(dev); + i915_gem_batch_pool_fini(&dev_priv->mm.batch_pool); + i915_gem_context_fini(dev); + mutex_unlock(&dev->struct_mutex); + i915_gem_cleanup_stolen(dev); intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); @@ -1031,8 +1095,7 @@ void i915_driver_preclose(struct drm_device *dev, struct drm_file *file) i915_gem_release(dev, file); mutex_unlock(&dev->struct_mutex); - if (drm_core_check_feature(dev, DRIVER_MODESET)) - intel_modeset_preclose(dev, file); + intel_modeset_preclose(dev, file); } void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 4badb23f2c58..875b1b7964c3 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -568,6 +568,7 @@ static int i915_drm_suspend(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct drm_crtc *crtc; pci_power_t opregion_target_state; + int error; /* ignore lid events during suspend */ mutex_lock(&dev_priv->modeset_restore_lock); @@ -582,37 +583,32 @@ static int i915_drm_suspend(struct drm_device *dev) pci_save_state(dev->pdev); - /* If KMS is active, we do the leavevt stuff here */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - int error; - - error = i915_gem_suspend(dev); - if (error) { - dev_err(&dev->pdev->dev, - "GEM idle failed, resume might fail\n"); - return error; - } + error = i915_gem_suspend(dev); + if (error) { + dev_err(&dev->pdev->dev, + "GEM idle failed, resume might fail\n"); + return error; + } - intel_suspend_gt_powersave(dev); + intel_suspend_gt_powersave(dev); - /* - * Disable CRTCs directly since we want to preserve sw state - * for _thaw. Also, power gate the CRTC power wells. - */ - drm_modeset_lock_all(dev); - for_each_crtc(dev, crtc) - intel_crtc_control(crtc, false); - drm_modeset_unlock_all(dev); + /* + * Disable CRTCs directly since we want to preserve sw state + * for _thaw. Also, power gate the CRTC power wells. + */ + drm_modeset_lock_all(dev); + for_each_crtc(dev, crtc) + intel_crtc_control(crtc, false); + drm_modeset_unlock_all(dev); - intel_dp_mst_suspend(dev); + intel_dp_mst_suspend(dev); - intel_runtime_pm_disable_interrupts(dev_priv); - intel_hpd_cancel_work(dev_priv); + intel_runtime_pm_disable_interrupts(dev_priv); + intel_hpd_cancel_work(dev_priv); - intel_suspend_encoders(dev_priv); + intel_suspend_encoders(dev_priv); - intel_suspend_hw(dev); - } + intel_suspend_hw(dev); i915_gem_suspend_gtt_mappings(dev); @@ -684,53 +680,48 @@ static int i915_drm_resume(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - mutex_lock(&dev->struct_mutex); - i915_gem_restore_gtt_mappings(dev); - mutex_unlock(&dev->struct_mutex); - } + mutex_lock(&dev->struct_mutex); + i915_gem_restore_gtt_mappings(dev); + mutex_unlock(&dev->struct_mutex); i915_restore_state(dev); intel_opregion_setup(dev); - /* KMS EnterVT equivalent */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - intel_init_pch_refclk(dev); - drm_mode_config_reset(dev); + intel_init_pch_refclk(dev); + drm_mode_config_reset(dev); - mutex_lock(&dev->struct_mutex); - if (i915_gem_init_hw(dev)) { - DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n"); - atomic_set_mask(I915_WEDGED, &dev_priv->gpu_error.reset_counter); - } - mutex_unlock(&dev->struct_mutex); + mutex_lock(&dev->struct_mutex); + if (i915_gem_init_hw(dev)) { + DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n"); + atomic_set_mask(I915_WEDGED, &dev_priv->gpu_error.reset_counter); + } + mutex_unlock(&dev->struct_mutex); - /* We need working interrupts for modeset enabling ... */ - intel_runtime_pm_enable_interrupts(dev_priv); + /* We need working interrupts for modeset enabling ... */ + intel_runtime_pm_enable_interrupts(dev_priv); - intel_modeset_init_hw(dev); + intel_modeset_init_hw(dev); - spin_lock_irq(&dev_priv->irq_lock); - if (dev_priv->display.hpd_irq_setup) - dev_priv->display.hpd_irq_setup(dev); - spin_unlock_irq(&dev_priv->irq_lock); + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display.hpd_irq_setup) + dev_priv->display.hpd_irq_setup(dev); + spin_unlock_irq(&dev_priv->irq_lock); - drm_modeset_lock_all(dev); - intel_modeset_setup_hw_state(dev, true); - drm_modeset_unlock_all(dev); + drm_modeset_lock_all(dev); + intel_modeset_setup_hw_state(dev, true); + drm_modeset_unlock_all(dev); - intel_dp_mst_resume(dev); + intel_dp_mst_resume(dev); - /* - * ... but also need to make sure that hotplug processing - * doesn't cause havoc. Like in the driver load code we don't - * bother with the tiny race here where we might loose hotplug - * notifications. - * */ - intel_hpd_init(dev_priv); - /* Config may have changed between suspend and resume */ - drm_helper_hpd_irq_event(dev); - } + /* + * ... but also need to make sure that hotplug processing + * doesn't cause havoc. Like in the driver load code we don't + * bother with the tiny race here where we might loose hotplug + * notifications. + * */ + intel_hpd_init(dev_priv); + /* Config may have changed between suspend and resume */ + drm_helper_hpd_irq_event(dev); intel_opregion_init(dev); @@ -866,38 +857,35 @@ int i915_reset(struct drm_device *dev) * was running at the time of the reset (i.e. we weren't VT * switched away). */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset */ - dev_priv->gpu_error.reload_in_reset = true; - ret = i915_gem_init_hw(dev); + /* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset */ + dev_priv->gpu_error.reload_in_reset = true; - dev_priv->gpu_error.reload_in_reset = false; + ret = i915_gem_init_hw(dev); - mutex_unlock(&dev->struct_mutex); - if (ret) { - DRM_ERROR("Failed hw init on reset %d\n", ret); - return ret; - } - - /* - * FIXME: This races pretty badly against concurrent holders of - * ring interrupts. This is possible since we've started to drop - * dev->struct_mutex in select places when waiting for the gpu. - */ + dev_priv->gpu_error.reload_in_reset = false; - /* - * rps/rc6 re-init is necessary to restore state lost after the - * reset and the re-install of gt irqs. Skip for ironlake per - * previous concerns that it doesn't respond well to some forms - * of re-init after reset. - */ - if (INTEL_INFO(dev)->gen > 5) - intel_enable_gt_powersave(dev); - } else { - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev->struct_mutex); + if (ret) { + DRM_ERROR("Failed hw init on reset %d\n", ret); + return ret; } + /* + * FIXME: This races pretty badly against concurrent holders of + * ring interrupts. This is possible since we've started to drop + * dev->struct_mutex in select places when waiting for the gpu. + */ + + /* + * rps/rc6 re-init is necessary to restore state lost after the + * reset and the re-install of gt irqs. Skip for ironlake per + * previous concerns that it doesn't respond well to some forms + * of re-init after reset. + */ + if (INTEL_INFO(dev)->gen > 5) + intel_enable_gt_powersave(dev); + return 0; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 39f7e5676c9b..2903090f25e5 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -56,7 +56,7 @@ #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" -#define DRIVER_DATE "20150214" +#define DRIVER_DATE "20150227" #undef WARN_ON /* Many gcc seem to no see through this and fall over :( */ @@ -693,7 +693,18 @@ struct intel_device_info { int trans_offsets[I915_MAX_TRANSCODERS]; int palette_offsets[I915_MAX_PIPES]; int cursor_offsets[I915_MAX_PIPES]; - unsigned int eu_total; + + /* Slice/subslice/EU info */ + u8 slice_total; + u8 subslice_total; + u8 subslice_per_slice; + u8 eu_total; + u8 eu_per_subslice; + /* For each slice, which subslice(s) has(have) 7 EUs (bitfield)? */ + u8 subslice_7eu[3]; + u8 has_slice_pg:1; + u8 has_subslice_pg:1; + u8 has_eu_pg:1; }; #undef DEFINE_FLAG @@ -889,150 +900,21 @@ struct intel_gmbus { }; struct i915_suspend_saved_registers { - u8 saveLBB; - u32 saveDSPACNTR; - u32 saveDSPBCNTR; u32 saveDSPARB; - u32 savePIPEACONF; - u32 savePIPEBCONF; - u32 savePIPEASRC; - u32 savePIPEBSRC; - u32 saveFPA0; - u32 saveFPA1; - u32 saveDPLL_A; - u32 saveDPLL_A_MD; - u32 saveHTOTAL_A; - u32 saveHBLANK_A; - u32 saveHSYNC_A; - u32 saveVTOTAL_A; - u32 saveVBLANK_A; - u32 saveVSYNC_A; - u32 saveBCLRPAT_A; - u32 saveTRANSACONF; - u32 saveTRANS_HTOTAL_A; - u32 saveTRANS_HBLANK_A; - u32 saveTRANS_HSYNC_A; - u32 saveTRANS_VTOTAL_A; - u32 saveTRANS_VBLANK_A; - u32 saveTRANS_VSYNC_A; - u32 savePIPEASTAT; - u32 saveDSPASTRIDE; - u32 saveDSPASIZE; - u32 saveDSPAPOS; - u32 saveDSPAADDR; - u32 saveDSPASURF; - u32 saveDSPATILEOFF; - u32 savePFIT_PGM_RATIOS; - u32 saveBLC_HIST_CTL; - u32 saveBLC_PWM_CTL; - u32 saveBLC_PWM_CTL2; - u32 saveBLC_CPU_PWM_CTL; - u32 saveBLC_CPU_PWM_CTL2; - u32 saveFPB0; - u32 saveFPB1; - u32 saveDPLL_B; - u32 saveDPLL_B_MD; - u32 saveHTOTAL_B; - u32 saveHBLANK_B; - u32 saveHSYNC_B; - u32 saveVTOTAL_B; - u32 saveVBLANK_B; - u32 saveVSYNC_B; - u32 saveBCLRPAT_B; - u32 saveTRANSBCONF; - u32 saveTRANS_HTOTAL_B; - u32 saveTRANS_HBLANK_B; - u32 saveTRANS_HSYNC_B; - u32 saveTRANS_VTOTAL_B; - u32 saveTRANS_VBLANK_B; - u32 saveTRANS_VSYNC_B; - u32 savePIPEBSTAT; - u32 saveDSPBSTRIDE; - u32 saveDSPBSIZE; - u32 saveDSPBPOS; - u32 saveDSPBADDR; - u32 saveDSPBSURF; - u32 saveDSPBTILEOFF; - u32 saveVGA0; - u32 saveVGA1; - u32 saveVGA_PD; - u32 saveVGACNTRL; - u32 saveADPA; u32 saveLVDS; u32 savePP_ON_DELAYS; u32 savePP_OFF_DELAYS; - u32 saveDVOA; - u32 saveDVOB; - u32 saveDVOC; u32 savePP_ON; u32 savePP_OFF; u32 savePP_CONTROL; u32 savePP_DIVISOR; - u32 savePFIT_CONTROL; - u32 save_palette_a[256]; - u32 save_palette_b[256]; u32 saveFBC_CONTROL; - u32 saveIER; - u32 saveIIR; - u32 saveIMR; - u32 saveDEIER; - u32 saveDEIMR; - u32 saveGTIER; - u32 saveGTIMR; - u32 saveFDI_RXA_IMR; - u32 saveFDI_RXB_IMR; u32 saveCACHE_MODE_0; u32 saveMI_ARB_STATE; u32 saveSWF0[16]; u32 saveSWF1[16]; u32 saveSWF2[3]; - u8 saveMSR; - u8 saveSR[8]; - u8 saveGR[25]; - u8 saveAR_INDEX; - u8 saveAR[21]; - u8 saveDACMASK; - u8 saveCR[37]; uint64_t saveFENCE[I915_MAX_NUM_FENCES]; - u32 saveCURACNTR; - u32 saveCURAPOS; - u32 saveCURABASE; - u32 saveCURBCNTR; - u32 saveCURBPOS; - u32 saveCURBBASE; - u32 saveCURSIZE; - u32 saveDP_B; - u32 saveDP_C; - u32 saveDP_D; - u32 savePIPEA_GMCH_DATA_M; - u32 savePIPEB_GMCH_DATA_M; - u32 savePIPEA_GMCH_DATA_N; - u32 savePIPEB_GMCH_DATA_N; - u32 savePIPEA_DP_LINK_M; - u32 savePIPEB_DP_LINK_M; - u32 savePIPEA_DP_LINK_N; - u32 savePIPEB_DP_LINK_N; - u32 saveFDI_RXA_CTL; - u32 saveFDI_TXA_CTL; - u32 saveFDI_RXB_CTL; - u32 saveFDI_TXB_CTL; - u32 savePFA_CTL_1; - u32 savePFB_CTL_1; - u32 savePFA_WIN_SZ; - u32 savePFB_WIN_SZ; - u32 savePFA_WIN_POS; - u32 savePFB_WIN_POS; - u32 savePCH_DREF_CONTROL; - u32 saveDISP_ARB_CTL; - u32 savePIPEA_DATA_M1; - u32 savePIPEA_DATA_N1; - u32 savePIPEA_LINK_M1; - u32 savePIPEA_LINK_N1; - u32 savePIPEB_DATA_M1; - u32 savePIPEB_DATA_N1; - u32 savePIPEB_LINK_M1; - u32 savePIPEB_LINK_N1; - u32 saveMCHBAR_RENDER_STANDBY; u32 savePCH_PORT_HOTPLUG; u16 saveGCDGMBUS; }; @@ -1455,6 +1337,7 @@ struct intel_vbt_data { bool edp_initialized; bool edp_support; int edp_bpp; + bool edp_low_vswing; struct edp_power_seq edp_pps; struct { @@ -2144,8 +2027,9 @@ struct drm_i915_gem_request { /** Position in the ringbuffer of the end of the whole request */ u32 tail; - /** Context related to this request */ + /** Context and ring buffer related to this request */ struct intel_context *ctx; + struct intel_ringbuffer *ringbuf; /** Batch buffer related to this request if any */ struct drm_i915_gem_object *batch_obj; @@ -3123,10 +3007,6 @@ int i915_parse_cmds(struct intel_engine_cs *ring, extern int i915_save_state(struct drm_device *dev); extern int i915_restore_state(struct drm_device *dev); -/* i915_ums.c */ -void i915_save_display_reg(struct drm_device *dev); -void i915_restore_display_reg(struct drm_device *dev); - /* i915_sysfs.c */ void i915_setup_sysfs(struct drm_device *dev_priv); void i915_teardown_sysfs(struct drm_device *dev_priv); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 61134ab0be81..1b2a1eb3aafc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2763,7 +2763,6 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *ring) while (!list_empty(&ring->request_list)) { struct drm_i915_gem_request *request; - struct intel_ringbuffer *ringbuf; request = list_first_entry(&ring->request_list, struct drm_i915_gem_request, @@ -2774,23 +2773,12 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *ring) trace_i915_gem_request_retire(request); - /* This is one of the few common intersection points - * between legacy ringbuffer submission and execlists: - * we need to tell them apart in order to find the correct - * ringbuffer to which the request belongs to. - */ - if (i915.enable_execlists) { - struct intel_context *ctx = request->ctx; - ringbuf = ctx->engine[ring->id].ringbuf; - } else - ringbuf = ring->buffer; - /* We know the GPU must have read the request to have * sent us the seqno + interrupt, so use the position * of tail of the request to update the last known position * of the GPU head. */ - ringbuf->last_retired_head = request->postfix; + request->ringbuf->last_retired_head = request->postfix; i915_gem_free_request(request); } @@ -4238,7 +4226,7 @@ i915_gem_object_pin_view(struct drm_i915_gem_object *obj, fenceable = (vma->node.size == fence_size && (vma->node.start & (fence_alignment - 1)) == 0); - mappable = (vma->node.start + obj->base.size <= + mappable = (vma->node.start + fence_size <= dev_priv->gtt.mappable_end); obj->map_and_fenceable = mappable && fenceable; @@ -4613,10 +4601,6 @@ i915_gem_suspend(struct drm_device *dev) i915_gem_retire_requests(dev); - /* Under UMS, be paranoid and evict. */ - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_gem_evict_everything(dev); - i915_gem_stop_ringbuffers(dev); mutex_unlock(&dev->struct_mutex); @@ -4973,18 +4957,8 @@ i915_gem_load(struct drm_device *dev) i915_gem_idle_work_handler); init_waitqueue_head(&dev_priv->gpu_error.reset_queue); - /* On GEN3 we really need to make sure the ARB C3 LP bit is set */ - if (!drm_core_check_feature(dev, DRIVER_MODESET) && IS_GEN3(dev)) { - I915_WRITE(MI_ARB_STATE, - _MASKED_BIT_ENABLE(MI_ARB_C3_LP_WRITE_ENABLE)); - } - dev_priv->relative_constants_mode = I915_EXEC_CONSTANTS_REL_GENERAL; - /* Old X drivers will take 0-2 for front, back, depth buffers */ - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - dev_priv->fence_reg_start = 3; - if (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) dev_priv->num_fence_regs = 32; else if (INTEL_INFO(dev)->gen >= 4 || IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 8603bf48d3ee..70346b0028f9 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -296,11 +296,15 @@ void i915_gem_context_reset(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int i; - /* In execlists mode we will unreference the context when the execlist - * queue is cleared and the requests destroyed. - */ - if (i915.enable_execlists) + if (i915.enable_execlists) { + struct intel_context *ctx; + + list_for_each_entry(ctx, &dev_priv->context_list, link) { + intel_lr_context_reset(dev, ctx); + } + return; + } for (i = 0; i < I915_NUM_RINGS; i++) { struct intel_engine_cs *ring = &dev_priv->ring[i]; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index b773368fc62c..85a6adaba258 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1076,16 +1076,15 @@ i915_gem_execbuffer_parse(struct intel_engine_cs *ring, struct drm_i915_gem_object *batch_obj, u32 batch_start_offset, u32 batch_len, - bool is_master, - u32 *flags) + bool is_master) { struct drm_i915_private *dev_priv = to_i915(batch_obj->base.dev); struct drm_i915_gem_object *shadow_batch_obj; - bool need_reloc = false; + struct i915_vma *vma; int ret; shadow_batch_obj = i915_gem_batch_pool_get(&dev_priv->mm.batch_pool, - batch_obj->base.size); + PAGE_ALIGN(batch_len)); if (IS_ERR(shadow_batch_obj)) return shadow_batch_obj; @@ -1095,40 +1094,30 @@ i915_gem_execbuffer_parse(struct intel_engine_cs *ring, batch_start_offset, batch_len, is_master); - if (ret) { - if (ret == -EACCES) - return batch_obj; - } else { - struct i915_vma *vma; + if (ret) + goto err; - memset(shadow_exec_entry, 0, sizeof(*shadow_exec_entry)); + ret = i915_gem_obj_ggtt_pin(shadow_batch_obj, 0, 0); + if (ret) + goto err; - vma = i915_gem_obj_to_ggtt(shadow_batch_obj); - vma->exec_entry = shadow_exec_entry; - vma->exec_entry->flags = __EXEC_OBJECT_PURGEABLE; - drm_gem_object_reference(&shadow_batch_obj->base); - i915_gem_execbuffer_reserve_vma(vma, ring, &need_reloc); - list_add_tail(&vma->exec_list, &eb->vmas); + memset(shadow_exec_entry, 0, sizeof(*shadow_exec_entry)); - shadow_batch_obj->base.pending_read_domains = - batch_obj->base.pending_read_domains; + vma = i915_gem_obj_to_ggtt(shadow_batch_obj); + vma->exec_entry = shadow_exec_entry; + vma->exec_entry->flags = __EXEC_OBJECT_PURGEABLE | __EXEC_OBJECT_HAS_PIN; + drm_gem_object_reference(&shadow_batch_obj->base); + list_add_tail(&vma->exec_list, &eb->vmas); - /* - * Set the DISPATCH_SECURE bit to remove the NON_SECURE - * bit from MI_BATCH_BUFFER_START commands issued in the - * dispatch_execbuffer implementations. We specifically - * don't want that set when the command parser is - * enabled. - * - * FIXME: with aliasing ppgtt, buffers that should only - * be in ggtt still end up in the aliasing ppgtt. remove - * this check when that is fixed. - */ - if (USES_FULL_PPGTT(dev)) - *flags |= I915_DISPATCH_SECURE; - } + shadow_batch_obj->base.pending_read_domains = I915_GEM_DOMAIN_COMMAND; + + return shadow_batch_obj; - return ret ? ERR_PTR(ret) : shadow_batch_obj; +err: + if (ret == -EACCES) /* unhandled chained batch */ + return batch_obj; + else + return ERR_PTR(ret); } int @@ -1138,7 +1127,7 @@ i915_gem_ringbuffer_submission(struct drm_device *dev, struct drm_file *file, struct drm_i915_gem_execbuffer2 *args, struct list_head *vmas, struct drm_i915_gem_object *batch_obj, - u64 exec_start, u32 flags) + u64 exec_start, u32 dispatch_flags) { struct drm_clip_rect *cliprects = NULL; struct drm_i915_private *dev_priv = dev->dev_private; @@ -1266,19 +1255,19 @@ i915_gem_ringbuffer_submission(struct drm_device *dev, struct drm_file *file, ret = ring->dispatch_execbuffer(ring, exec_start, exec_len, - flags); + dispatch_flags); if (ret) goto error; } } else { ret = ring->dispatch_execbuffer(ring, exec_start, exec_len, - flags); + dispatch_flags); if (ret) return ret; } - trace_i915_gem_ring_dispatch(intel_ring_get_request(ring), flags); + trace_i915_gem_ring_dispatch(intel_ring_get_request(ring), dispatch_flags); i915_gem_execbuffer_move_to_active(vmas, ring); i915_gem_execbuffer_retire_commands(dev, file, ring, batch_obj); @@ -1353,7 +1342,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, struct i915_address_space *vm; const u32 ctx_id = i915_execbuffer2_get_context_id(*args); u64 exec_start = args->batch_start_offset; - u32 flags; + u32 dispatch_flags; int ret; bool need_relocs; @@ -1364,15 +1353,15 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, if (ret) return ret; - flags = 0; + dispatch_flags = 0; if (args->flags & I915_EXEC_SECURE) { if (!file->is_master || !capable(CAP_SYS_ADMIN)) return -EPERM; - flags |= I915_DISPATCH_SECURE; + dispatch_flags |= I915_DISPATCH_SECURE; } if (args->flags & I915_EXEC_IS_PINNED) - flags |= I915_DISPATCH_PINNED; + dispatch_flags |= I915_DISPATCH_PINNED; if ((args->flags & I915_EXEC_RING_MASK) > LAST_USER_RING) { DRM_DEBUG("execbuf with unknown ring: %d\n", @@ -1494,12 +1483,27 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, batch_obj, args->batch_start_offset, args->batch_len, - file->is_master, - &flags); + file->is_master); if (IS_ERR(batch_obj)) { ret = PTR_ERR(batch_obj); goto err; } + + /* + * Set the DISPATCH_SECURE bit to remove the NON_SECURE + * bit from MI_BATCH_BUFFER_START commands issued in the + * dispatch_execbuffer implementations. We specifically + * don't want that set when the command parser is + * enabled. + * + * FIXME: with aliasing ppgtt, buffers that should only + * be in ggtt still end up in the aliasing ppgtt. remove + * this check when that is fixed. + */ + if (USES_FULL_PPGTT(dev)) + dispatch_flags |= I915_DISPATCH_SECURE; + + exec_start = 0; } batch_obj->base.pending_read_domains |= I915_GEM_DOMAIN_COMMAND; @@ -1507,7 +1511,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, /* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure * batch" bit. Hence we need to pin secure batches into the global gtt. * hsw should have this fixed, but bdw mucks it up again. */ - if (flags & I915_DISPATCH_SECURE) { + if (dispatch_flags & I915_DISPATCH_SECURE) { /* * So on first glance it looks freaky that we pin the batch here * outside of the reservation loop. But: @@ -1527,7 +1531,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, exec_start += i915_gem_obj_offset(batch_obj, vm); ret = dev_priv->gt.do_execbuf(dev, file, ring, ctx, args, - &eb->vmas, batch_obj, exec_start, flags); + &eb->vmas, batch_obj, exec_start, + dispatch_flags); /* * FIXME: We crucially rely upon the active tracking for the (ppgtt) @@ -1535,7 +1540,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, * needs to be adjusted to also track the ggtt batch vma properly as * active. */ - if (flags & I915_DISPATCH_SECURE) + if (dispatch_flags & I915_DISPATCH_SECURE) i915_gem_object_ggtt_unpin(batch_obj); err: /* the request owns the ref now */ diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e54b2a0ca921..bd95776c3144 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -142,7 +142,6 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) return has_aliasing_ppgtt ? 1 : 0; } - static void ppgtt_bind_vma(struct i915_vma *vma, enum i915_cache_level cache_level, u32 flags); @@ -279,6 +278,100 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr, return pte; } +static void unmap_and_free_pt(struct i915_page_table_entry *pt, struct drm_device *dev) +{ + if (WARN_ON(!pt->page)) + return; + __free_page(pt->page); + kfree(pt); +} + +static struct i915_page_table_entry *alloc_pt_single(struct drm_device *dev) +{ + struct i915_page_table_entry *pt; + + pt = kzalloc(sizeof(*pt), GFP_KERNEL); + if (!pt) + return ERR_PTR(-ENOMEM); + + pt->page = alloc_page(GFP_KERNEL | __GFP_ZERO); + if (!pt->page) { + kfree(pt); + return ERR_PTR(-ENOMEM); + } + + return pt; +} + +/** + * alloc_pt_range() - Allocate a multiple page tables + * @pd: The page directory which will have at least @count entries + * available to point to the allocated page tables. + * @pde: First page directory entry for which we are allocating. + * @count: Number of pages to allocate. + * @dev: DRM device. + * + * Allocates multiple page table pages and sets the appropriate entries in the + * page table structure within the page directory. Function cleans up after + * itself on any failures. + * + * Return: 0 if allocation succeeded. + */ +static int alloc_pt_range(struct i915_page_directory_entry *pd, uint16_t pde, size_t count, + struct drm_device *dev) +{ + int i, ret; + + /* 512 is the max page tables per page_directory on any platform. */ + if (WARN_ON(pde + count > GEN6_PPGTT_PD_ENTRIES)) + return -EINVAL; + + for (i = pde; i < pde + count; i++) { + struct i915_page_table_entry *pt = alloc_pt_single(dev); + + if (IS_ERR(pt)) { + ret = PTR_ERR(pt); + goto err_out; + } + WARN(pd->page_table[i], + "Leaking page directory entry %d (%p)\n", + i, pd->page_table[i]); + pd->page_table[i] = pt; + } + + return 0; + +err_out: + while (i-- > pde) + unmap_and_free_pt(pd->page_table[i], dev); + return ret; +} + +static void unmap_and_free_pd(struct i915_page_directory_entry *pd) +{ + if (pd->page) { + __free_page(pd->page); + kfree(pd); + } +} + +static struct i915_page_directory_entry *alloc_pd_single(void) +{ + struct i915_page_directory_entry *pd; + + pd = kzalloc(sizeof(*pd), GFP_KERNEL); + if (!pd) + return ERR_PTR(-ENOMEM); + + pd->page = alloc_page(GFP_KERNEL | __GFP_ZERO); + if (!pd->page) { + kfree(pd); + return ERR_PTR(-ENOMEM); + } + + return pd; +} + /* Broadwell Page Directory Pointer Descriptors */ static int gen8_write_pdp(struct intel_engine_cs *ring, unsigned entry, uint64_t val) @@ -311,7 +404,7 @@ static int gen8_mm_switch(struct i915_hw_ppgtt *ppgtt, int used_pd = ppgtt->num_pd_entries / GEN8_PDES_PER_PAGE; for (i = used_pd - 1; i >= 0; i--) { - dma_addr_t addr = ppgtt->pd_dma_addr[i]; + dma_addr_t addr = ppgtt->pdp.page_directory[i]->daddr; ret = gen8_write_pdp(ring, i, addr); if (ret) return ret; @@ -338,7 +431,24 @@ static void gen8_ppgtt_clear_range(struct i915_address_space *vm, I915_CACHE_LLC, use_scratch); while (num_entries) { - struct page *page_table = ppgtt->gen8_pt_pages[pdpe][pde]; + struct i915_page_directory_entry *pd; + struct i915_page_table_entry *pt; + struct page *page_table; + + if (WARN_ON(!ppgtt->pdp.page_directory[pdpe])) + continue; + + pd = ppgtt->pdp.page_directory[pdpe]; + + if (WARN_ON(!pd->page_table[pde])) + continue; + + pt = pd->page_table[pde]; + + if (WARN_ON(!pt->page)) + continue; + + page_table = pt->page; last_pte = pte + num_entries; if (last_pte > GEN8_PTES_PER_PAGE) @@ -382,8 +492,13 @@ static void gen8_ppgtt_insert_entries(struct i915_address_space *vm, if (WARN_ON(pdpe >= GEN8_LEGACY_PDPES)) break; - if (pt_vaddr == NULL) - pt_vaddr = kmap_atomic(ppgtt->gen8_pt_pages[pdpe][pde]); + if (pt_vaddr == NULL) { + struct i915_page_directory_entry *pd = ppgtt->pdp.page_directory[pdpe]; + struct i915_page_table_entry *pt = pd->page_table[pde]; + struct page *page_table = pt->page; + + pt_vaddr = kmap_atomic(page_table); + } pt_vaddr[pte] = gen8_pte_encode(sg_page_iter_dma_address(&sg_iter), @@ -407,29 +522,33 @@ static void gen8_ppgtt_insert_entries(struct i915_address_space *vm, } } -static void gen8_free_page_tables(struct page **pt_pages) +static void gen8_free_page_tables(struct i915_page_directory_entry *pd, struct drm_device *dev) { int i; - if (pt_pages == NULL) + if (!pd->page) return; - for (i = 0; i < GEN8_PDES_PER_PAGE; i++) - if (pt_pages[i]) - __free_pages(pt_pages[i], 0); + for (i = 0; i < GEN8_PDES_PER_PAGE; i++) { + if (WARN_ON(!pd->page_table[i])) + continue; + + unmap_and_free_pt(pd->page_table[i], dev); + pd->page_table[i] = NULL; + } } -static void gen8_ppgtt_free(const struct i915_hw_ppgtt *ppgtt) +static void gen8_ppgtt_free(struct i915_hw_ppgtt *ppgtt) { int i; for (i = 0; i < ppgtt->num_pd_pages; i++) { - gen8_free_page_tables(ppgtt->gen8_pt_pages[i]); - kfree(ppgtt->gen8_pt_pages[i]); - kfree(ppgtt->gen8_pt_dma_addr[i]); - } + if (WARN_ON(!ppgtt->pdp.page_directory[i])) + continue; - __free_pages(ppgtt->pd_pages, get_order(ppgtt->num_pd_pages << PAGE_SHIFT)); + gen8_free_page_tables(ppgtt->pdp.page_directory[i], ppgtt->base.dev); + unmap_and_free_pd(ppgtt->pdp.page_directory[i]); + } } static void gen8_ppgtt_unmap_pages(struct i915_hw_ppgtt *ppgtt) @@ -440,14 +559,23 @@ static void gen8_ppgtt_unmap_pages(struct i915_hw_ppgtt *ppgtt) for (i = 0; i < ppgtt->num_pd_pages; i++) { /* TODO: In the future we'll support sparse mappings, so this * will have to change. */ - if (!ppgtt->pd_dma_addr[i]) + if (!ppgtt->pdp.page_directory[i]->daddr) continue; - pci_unmap_page(hwdev, ppgtt->pd_dma_addr[i], PAGE_SIZE, + pci_unmap_page(hwdev, ppgtt->pdp.page_directory[i]->daddr, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); for (j = 0; j < GEN8_PDES_PER_PAGE; j++) { - dma_addr_t addr = ppgtt->gen8_pt_dma_addr[i][j]; + struct i915_page_directory_entry *pd = ppgtt->pdp.page_directory[i]; + struct i915_page_table_entry *pt; + dma_addr_t addr; + + if (WARN_ON(!pd->page_table[j])) + continue; + + pt = pd->page_table[j]; + addr = pt->daddr; + if (addr) pci_unmap_page(hwdev, addr, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); @@ -464,86 +592,47 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm) gen8_ppgtt_free(ppgtt); } -static struct page **__gen8_alloc_page_tables(void) +static int gen8_ppgtt_allocate_page_tables(struct i915_hw_ppgtt *ppgtt) { - struct page **pt_pages; - int i; - - pt_pages = kcalloc(GEN8_PDES_PER_PAGE, sizeof(struct page *), GFP_KERNEL); - if (!pt_pages) - return ERR_PTR(-ENOMEM); - - for (i = 0; i < GEN8_PDES_PER_PAGE; i++) { - pt_pages[i] = alloc_page(GFP_KERNEL); - if (!pt_pages[i]) - goto bail; - } - - return pt_pages; - -bail: - gen8_free_page_tables(pt_pages); - kfree(pt_pages); - return ERR_PTR(-ENOMEM); -} - -static int gen8_ppgtt_allocate_page_tables(struct i915_hw_ppgtt *ppgtt, - const int max_pdp) -{ - struct page **pt_pages[GEN8_LEGACY_PDPES]; int i, ret; - for (i = 0; i < max_pdp; i++) { - pt_pages[i] = __gen8_alloc_page_tables(); - if (IS_ERR(pt_pages[i])) { - ret = PTR_ERR(pt_pages[i]); + for (i = 0; i < ppgtt->num_pd_pages; i++) { + ret = alloc_pt_range(ppgtt->pdp.page_directory[i], + 0, GEN8_PDES_PER_PAGE, ppgtt->base.dev); + if (ret) goto unwind_out; - } } - /* NB: Avoid touching gen8_pt_pages until last to keep the allocation, - * "atomic" - for cleanup purposes. - */ - for (i = 0; i < max_pdp; i++) - ppgtt->gen8_pt_pages[i] = pt_pages[i]; - return 0; unwind_out: - while (i--) { - gen8_free_page_tables(pt_pages[i]); - kfree(pt_pages[i]); - } + while (i--) + gen8_free_page_tables(ppgtt->pdp.page_directory[i], ppgtt->base.dev); - return ret; + return -ENOMEM; } -static int gen8_ppgtt_allocate_dma(struct i915_hw_ppgtt *ppgtt) +static int gen8_ppgtt_allocate_page_directories(struct i915_hw_ppgtt *ppgtt, + const int max_pdp) { int i; - for (i = 0; i < ppgtt->num_pd_pages; i++) { - ppgtt->gen8_pt_dma_addr[i] = kcalloc(GEN8_PDES_PER_PAGE, - sizeof(dma_addr_t), - GFP_KERNEL); - if (!ppgtt->gen8_pt_dma_addr[i]) - return -ENOMEM; + for (i = 0; i < max_pdp; i++) { + ppgtt->pdp.page_directory[i] = alloc_pd_single(); + if (IS_ERR(ppgtt->pdp.page_directory[i])) + goto unwind_out; } - return 0; -} - -static int gen8_ppgtt_allocate_page_directories(struct i915_hw_ppgtt *ppgtt, - const int max_pdp) -{ - ppgtt->pd_pages = alloc_pages(GFP_KERNEL, get_order(max_pdp << PAGE_SHIFT)); - if (!ppgtt->pd_pages) - return -ENOMEM; - - ppgtt->num_pd_pages = 1 << get_order(max_pdp << PAGE_SHIFT); + ppgtt->num_pd_pages = max_pdp; BUG_ON(ppgtt->num_pd_pages > GEN8_LEGACY_PDPES); return 0; + +unwind_out: + while (i--) + unmap_and_free_pd(ppgtt->pdp.page_directory[i]); + + return -ENOMEM; } static int gen8_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt, @@ -555,18 +644,16 @@ static int gen8_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt, if (ret) return ret; - ret = gen8_ppgtt_allocate_page_tables(ppgtt, max_pdp); - if (ret) { - __free_pages(ppgtt->pd_pages, get_order(max_pdp << PAGE_SHIFT)); - return ret; - } + ret = gen8_ppgtt_allocate_page_tables(ppgtt); + if (ret) + goto err_out; ppgtt->num_pd_entries = max_pdp * GEN8_PDES_PER_PAGE; - ret = gen8_ppgtt_allocate_dma(ppgtt); - if (ret) - gen8_ppgtt_free(ppgtt); + return 0; +err_out: + gen8_ppgtt_free(ppgtt); return ret; } @@ -577,14 +664,14 @@ static int gen8_ppgtt_setup_page_directories(struct i915_hw_ppgtt *ppgtt, int ret; pd_addr = pci_map_page(ppgtt->base.dev->pdev, - &ppgtt->pd_pages[pd], 0, + ppgtt->pdp.page_directory[pd]->page, 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); ret = pci_dma_mapping_error(ppgtt->base.dev->pdev, pd_addr); if (ret) return ret; - ppgtt->pd_dma_addr[pd] = pd_addr; + ppgtt->pdp.page_directory[pd]->daddr = pd_addr; return 0; } @@ -594,17 +681,18 @@ static int gen8_ppgtt_setup_page_tables(struct i915_hw_ppgtt *ppgtt, const int pt) { dma_addr_t pt_addr; - struct page *p; + struct i915_page_directory_entry *pdir = ppgtt->pdp.page_directory[pd]; + struct i915_page_table_entry *ptab = pdir->page_table[pt]; + struct page *p = ptab->page; int ret; - p = ppgtt->gen8_pt_pages[pd][pt]; pt_addr = pci_map_page(ppgtt->base.dev->pdev, p, 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); ret = pci_dma_mapping_error(ppgtt->base.dev->pdev, pt_addr); if (ret) return ret; - ppgtt->gen8_pt_dma_addr[pd][pt] = pt_addr; + ptab->daddr = pt_addr; return 0; } @@ -657,10 +745,12 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size) * will never need to touch the PDEs again. */ for (i = 0; i < max_pdp; i++) { + struct i915_page_directory_entry *pd = ppgtt->pdp.page_directory[i]; gen8_ppgtt_pde_t *pd_vaddr; - pd_vaddr = kmap_atomic(&ppgtt->pd_pages[i]); + pd_vaddr = kmap_atomic(ppgtt->pdp.page_directory[i]->page); for (j = 0; j < GEN8_PDES_PER_PAGE; j++) { - dma_addr_t addr = ppgtt->gen8_pt_dma_addr[i][j]; + struct i915_page_table_entry *pt = pd->page_table[j]; + dma_addr_t addr = pt->daddr; pd_vaddr[j] = gen8_pde_encode(ppgtt->base.dev, addr, I915_CACHE_LLC); } @@ -703,14 +793,15 @@ static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m) scratch_pte = vm->pte_encode(vm->scratch.addr, I915_CACHE_LLC, true, 0); pd_addr = (gen6_gtt_pte_t __iomem *)dev_priv->gtt.gsm + - ppgtt->pd_offset / sizeof(gen6_gtt_pte_t); + ppgtt->pd.pd_offset / sizeof(gen6_gtt_pte_t); seq_printf(m, " VM %p (pd_offset %x-%x):\n", vm, - ppgtt->pd_offset, ppgtt->pd_offset + ppgtt->num_pd_entries); + ppgtt->pd.pd_offset, + ppgtt->pd.pd_offset + ppgtt->num_pd_entries); for (pde = 0; pde < ppgtt->num_pd_entries; pde++) { u32 expected; gen6_gtt_pte_t *pt_vaddr; - dma_addr_t pt_addr = ppgtt->pt_dma_addr[pde]; + dma_addr_t pt_addr = ppgtt->pd.page_table[pde]->daddr; pd_entry = readl(pd_addr + pde); expected = (GEN6_PDE_ADDR_ENCODE(pt_addr) | GEN6_PDE_VALID); @@ -721,7 +812,7 @@ static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m) expected); seq_printf(m, "\tPDE: %x\n", pd_entry); - pt_vaddr = kmap_atomic(ppgtt->pt_pages[pde]); + pt_vaddr = kmap_atomic(ppgtt->pd.page_table[pde]->page); for (pte = 0; pte < I915_PPGTT_PT_ENTRIES; pte+=4) { unsigned long va = (pde * PAGE_SIZE * I915_PPGTT_PT_ENTRIES) + @@ -754,13 +845,13 @@ static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt) uint32_t pd_entry; int i; - WARN_ON(ppgtt->pd_offset & 0x3f); + WARN_ON(ppgtt->pd.pd_offset & 0x3f); pd_addr = (gen6_gtt_pte_t __iomem*)dev_priv->gtt.gsm + - ppgtt->pd_offset / sizeof(gen6_gtt_pte_t); + ppgtt->pd.pd_offset / sizeof(gen6_gtt_pte_t); for (i = 0; i < ppgtt->num_pd_entries; i++) { dma_addr_t pt_addr; - pt_addr = ppgtt->pt_dma_addr[i]; + pt_addr = ppgtt->pd.page_table[i]->daddr; pd_entry = GEN6_PDE_ADDR_ENCODE(pt_addr); pd_entry |= GEN6_PDE_VALID; @@ -771,9 +862,9 @@ static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt) static uint32_t get_pd_offset(struct i915_hw_ppgtt *ppgtt) { - BUG_ON(ppgtt->pd_offset & 0x3f); + BUG_ON(ppgtt->pd.pd_offset & 0x3f); - return (ppgtt->pd_offset / 64) << 16; + return (ppgtt->pd.pd_offset / 64) << 16; } static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt, @@ -936,7 +1027,7 @@ static void gen6_ppgtt_clear_range(struct i915_address_space *vm, if (last_pte > I915_PPGTT_PT_ENTRIES) last_pte = I915_PPGTT_PT_ENTRIES; - pt_vaddr = kmap_atomic(ppgtt->pt_pages[act_pt]); + pt_vaddr = kmap_atomic(ppgtt->pd.page_table[act_pt]->page); for (i = first_pte; i < last_pte; i++) pt_vaddr[i] = scratch_pte; @@ -965,7 +1056,7 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm, pt_vaddr = NULL; for_each_sg_page(pages->sgl, &sg_iter, pages->nents, 0) { if (pt_vaddr == NULL) - pt_vaddr = kmap_atomic(ppgtt->pt_pages[act_pt]); + pt_vaddr = kmap_atomic(ppgtt->pd.page_table[act_pt]->page); pt_vaddr[act_pte] = vm->pte_encode(sg_page_iter_dma_address(&sg_iter), @@ -986,22 +1077,20 @@ static void gen6_ppgtt_unmap_pages(struct i915_hw_ppgtt *ppgtt) { int i; - if (ppgtt->pt_dma_addr) { - for (i = 0; i < ppgtt->num_pd_entries; i++) - pci_unmap_page(ppgtt->base.dev->pdev, - ppgtt->pt_dma_addr[i], - 4096, PCI_DMA_BIDIRECTIONAL); - } + for (i = 0; i < ppgtt->num_pd_entries; i++) + pci_unmap_page(ppgtt->base.dev->pdev, + ppgtt->pd.page_table[i]->daddr, + 4096, PCI_DMA_BIDIRECTIONAL); } static void gen6_ppgtt_free(struct i915_hw_ppgtt *ppgtt) { int i; - kfree(ppgtt->pt_dma_addr); for (i = 0; i < ppgtt->num_pd_entries; i++) - __free_page(ppgtt->pt_pages[i]); - kfree(ppgtt->pt_pages); + unmap_and_free_pt(ppgtt->pd.page_table[i], ppgtt->base.dev); + + unmap_and_free_pd(&ppgtt->pd); } static void gen6_ppgtt_cleanup(struct i915_address_space *vm) @@ -1056,27 +1145,6 @@ alloc: return 0; } -static int gen6_ppgtt_allocate_page_tables(struct i915_hw_ppgtt *ppgtt) -{ - int i; - - ppgtt->pt_pages = kcalloc(ppgtt->num_pd_entries, sizeof(struct page *), - GFP_KERNEL); - - if (!ppgtt->pt_pages) - return -ENOMEM; - - for (i = 0; i < ppgtt->num_pd_entries; i++) { - ppgtt->pt_pages[i] = alloc_page(GFP_KERNEL); - if (!ppgtt->pt_pages[i]) { - gen6_ppgtt_free(ppgtt); - return -ENOMEM; - } - } - - return 0; -} - static int gen6_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt) { int ret; @@ -1085,20 +1153,14 @@ static int gen6_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt) if (ret) return ret; - ret = gen6_ppgtt_allocate_page_tables(ppgtt); + ret = alloc_pt_range(&ppgtt->pd, 0, ppgtt->num_pd_entries, + ppgtt->base.dev); + if (ret) { drm_mm_remove_node(&ppgtt->node); return ret; } - ppgtt->pt_dma_addr = kcalloc(ppgtt->num_pd_entries, sizeof(dma_addr_t), - GFP_KERNEL); - if (!ppgtt->pt_dma_addr) { - drm_mm_remove_node(&ppgtt->node); - gen6_ppgtt_free(ppgtt); - return -ENOMEM; - } - return 0; } @@ -1108,9 +1170,11 @@ static int gen6_ppgtt_setup_page_tables(struct i915_hw_ppgtt *ppgtt) int i; for (i = 0; i < ppgtt->num_pd_entries; i++) { + struct page *page; dma_addr_t pt_addr; - pt_addr = pci_map_page(dev->pdev, ppgtt->pt_pages[i], 0, 4096, + page = ppgtt->pd.page_table[i]->page; + pt_addr = pci_map_page(dev->pdev, page, 0, 4096, PCI_DMA_BIDIRECTIONAL); if (pci_dma_mapping_error(dev->pdev, pt_addr)) { @@ -1118,7 +1182,7 @@ static int gen6_ppgtt_setup_page_tables(struct i915_hw_ppgtt *ppgtt) return -EIO; } - ppgtt->pt_dma_addr[i] = pt_addr; + ppgtt->pd.page_table[i]->daddr = pt_addr; } return 0; @@ -1157,10 +1221,10 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) ppgtt->base.insert_entries = gen6_ppgtt_insert_entries; ppgtt->base.cleanup = gen6_ppgtt_cleanup; ppgtt->base.start = 0; - ppgtt->base.total = ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES * PAGE_SIZE; + ppgtt->base.total = ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES * PAGE_SIZE; ppgtt->debug_dump = gen6_dump_ppgtt; - ppgtt->pd_offset = + ppgtt->pd.pd_offset = ppgtt->node.start / PAGE_SIZE * sizeof(gen6_gtt_pte_t); ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.total, true); @@ -1171,7 +1235,7 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) gen6_write_pdes(ppgtt); DRM_DEBUG("Adding PPGTT at offset %x\n", - ppgtt->pd_offset << 10); + ppgtt->pd.pd_offset << 10); return 0; } diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 8f7699016711..c9e93f5070bc 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -187,6 +187,26 @@ struct i915_vma { u32 flags); }; +struct i915_page_table_entry { + struct page *page; + dma_addr_t daddr; +}; + +struct i915_page_directory_entry { + struct page *page; /* NULL for GEN6-GEN7 */ + union { + uint32_t pd_offset; + dma_addr_t daddr; + }; + + struct i915_page_table_entry *page_table[GEN6_PPGTT_PD_ENTRIES]; /* PDEs */ +}; + +struct i915_page_directory_pointer_entry { + /* struct page *page; */ + struct i915_page_directory_entry *page_directory[GEN8_LEGACY_PDPES]; +}; + struct i915_address_space { struct drm_mm mm; struct drm_device *dev; @@ -272,17 +292,8 @@ struct i915_hw_ppgtt { unsigned num_pd_entries; unsigned num_pd_pages; /* gen8+ */ union { - struct page **pt_pages; - struct page **gen8_pt_pages[GEN8_LEGACY_PDPES]; - }; - struct page *pd_pages; - union { - uint32_t pd_offset; - dma_addr_t pd_dma_addr[GEN8_LEGACY_PDPES]; - }; - union { - dma_addr_t *pt_dma_addr; - dma_addr_t *gen8_pt_dma_addr[GEN8_LEGACY_PDPES]; + struct i915_page_directory_pointer_entry pdp; + struct i915_page_directory_entry pd; }; struct drm_i915_file_private *file_priv; diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 59401f3b902c..f1de95f7432c 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -253,7 +253,7 @@ int i915_gem_stolen_setup_compression(struct drm_device *dev, int size, int fb_c if (!drm_mm_initialized(&dev_priv->mm.stolen)) return -ENODEV; - if (size < dev_priv->fbc.uncompressed_size) + if (size <= dev_priv->fbc.uncompressed_size) return 0; /* Release any current block */ diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 90731195ab52..6ebea4614204 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -492,31 +492,6 @@ static void i915_enable_asle_pipestat(struct drm_device *dev) spin_unlock_irq(&dev_priv->irq_lock); } -/** - * i915_pipe_enabled - check if a pipe is enabled - * @dev: DRM device - * @pipe: pipe to check - * - * Reading certain registers when the pipe is disabled can hang the chip. - * Use this routine to make sure the PLL is running and the pipe is active - * before reading such registers if unsure. - */ -static int -i915_pipe_enabled(struct drm_device *dev, int pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Locking is horribly broken here, but whatever. */ - struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - - return intel_crtc->active; - } else { - return I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE; - } -} - /* * This timing diagram depicts the video signal in and * around the vertical blanking period. @@ -582,34 +557,16 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, int pipe) unsigned long high_frame; unsigned long low_frame; u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal; + struct intel_crtc *intel_crtc = + to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); + const struct drm_display_mode *mode = + &intel_crtc->config->base.adjusted_mode; - if (!i915_pipe_enabled(dev, pipe)) { - DRM_DEBUG_DRIVER("trying to get vblank count for disabled " - "pipe %c\n", pipe_name(pipe)); - return 0; - } - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - struct intel_crtc *intel_crtc = - to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); - const struct drm_display_mode *mode = - &intel_crtc->config->base.adjusted_mode; - - htotal = mode->crtc_htotal; - hsync_start = mode->crtc_hsync_start; - vbl_start = mode->crtc_vblank_start; - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - vbl_start = DIV_ROUND_UP(vbl_start, 2); - } else { - enum transcoder cpu_transcoder = (enum transcoder) pipe; - - htotal = ((I915_READ(HTOTAL(cpu_transcoder)) >> 16) & 0x1fff) + 1; - hsync_start = (I915_READ(HSYNC(cpu_transcoder)) & 0x1fff) + 1; - vbl_start = (I915_READ(VBLANK(cpu_transcoder)) & 0x1fff) + 1; - if ((I915_READ(PIPECONF(cpu_transcoder)) & - PIPECONF_INTERLACE_MASK) != PIPECONF_PROGRESSIVE) - vbl_start = DIV_ROUND_UP(vbl_start, 2); - } + htotal = mode->crtc_htotal; + hsync_start = mode->crtc_hsync_start; + vbl_start = mode->crtc_vblank_start; + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + vbl_start = DIV_ROUND_UP(vbl_start, 2); /* Convert to pixel count */ vbl_start *= htotal; @@ -648,12 +605,6 @@ static u32 gm45_get_vblank_counter(struct drm_device *dev, int pipe) struct drm_i915_private *dev_priv = dev->dev_private; int reg = PIPE_FRMCOUNT_GM45(pipe); - if (!i915_pipe_enabled(dev, pipe)) { - DRM_DEBUG_DRIVER("trying to get vblank count for disabled " - "pipe %c\n", pipe_name(pipe)); - return 0; - } - return I915_READ(reg); } @@ -840,7 +791,7 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, int pipe, return -EINVAL; } - if (!crtc->enabled) { + if (!crtc->state->enable) { DRM_DEBUG_KMS("crtc %d is disabled\n", pipe); return -EBUSY; } @@ -2647,9 +2598,6 @@ static int i915_enable_vblank(struct drm_device *dev, int pipe) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long irqflags; - if (!i915_pipe_enabled(dev, pipe)) - return -EINVAL; - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); if (INTEL_INFO(dev)->gen >= 4) i915_enable_pipestat(dev_priv, pipe, @@ -2669,9 +2617,6 @@ static int ironlake_enable_vblank(struct drm_device *dev, int pipe) uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); - if (!i915_pipe_enabled(dev, pipe)) - return -EINVAL; - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); ironlake_enable_display_irq(dev_priv, bit); spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); @@ -2684,9 +2629,6 @@ static int valleyview_enable_vblank(struct drm_device *dev, int pipe) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long irqflags; - if (!i915_pipe_enabled(dev, pipe)) - return -EINVAL; - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); i915_enable_pipestat(dev_priv, pipe, PIPE_START_VBLANK_INTERRUPT_STATUS); @@ -2700,9 +2642,6 @@ static int gen8_enable_vblank(struct drm_device *dev, int pipe) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long irqflags; - if (!i915_pipe_enabled(dev, pipe)) - return -EINVAL; - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); dev_priv->de_irq_mask[pipe] &= ~GEN8_PIPE_VBLANK; I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]); @@ -2754,9 +2693,6 @@ static void gen8_disable_vblank(struct drm_device *dev, int pipe) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long irqflags; - if (!i915_pipe_enabled(dev, pipe)) - return; - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); dev_priv->de_irq_mask[pipe] |= GEN8_PIPE_VBLANK; I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]); @@ -4368,10 +4304,8 @@ void intel_irq_init(struct drm_i915_private *dev_priv) if (!IS_GEN2(dev_priv)) dev->vblank_disable_immediate = true; - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; - dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; - } + dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; + dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; if (IS_CHERRYVIEW(dev_priv)) { dev->driver->irq_handler = cherryview_irq_handler; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 1dc91de7d2e6..55143cb36e74 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -139,6 +139,19 @@ #define GEN8_RING_PDP_UDW(ring, n) ((ring)->mmio_base+0x270 + ((n) * 8 + 4)) #define GEN8_RING_PDP_LDW(ring, n) ((ring)->mmio_base+0x270 + (n) * 8) +#define GEN8_R_PWR_CLK_STATE 0x20C8 +#define GEN8_RPCS_ENABLE (1 << 31) +#define GEN8_RPCS_S_CNT_ENABLE (1 << 18) +#define GEN8_RPCS_S_CNT_SHIFT 15 +#define GEN8_RPCS_S_CNT_MASK (0x7 << GEN8_RPCS_S_CNT_SHIFT) +#define GEN8_RPCS_SS_CNT_ENABLE (1 << 11) +#define GEN8_RPCS_SS_CNT_SHIFT 8 +#define GEN8_RPCS_SS_CNT_MASK (0x7 << GEN8_RPCS_SS_CNT_SHIFT) +#define GEN8_RPCS_EU_MAX_SHIFT 4 +#define GEN8_RPCS_EU_MAX_MASK (0xf << GEN8_RPCS_EU_MAX_SHIFT) +#define GEN8_RPCS_EU_MIN_SHIFT 0 +#define GEN8_RPCS_EU_MIN_MASK (0xf << GEN8_RPCS_EU_MIN_SHIFT) + #define GAM_ECOCHK 0x4090 #define BDW_DISABLE_HDC_INVALIDATION (1<<25) #define ECOCHK_SNB_BIT (1<<10) @@ -1025,6 +1038,16 @@ enum skl_disp_power_wells { #define DPIO_CHV_PROP_COEFF_SHIFT 0 #define CHV_PLL_DW6(ch) _PIPE(ch, _CHV_PLL_DW6_CH0, _CHV_PLL_DW6_CH1) +#define _CHV_PLL_DW8_CH0 0x8020 +#define _CHV_PLL_DW8_CH1 0x81A0 +#define CHV_PLL_DW8(ch) _PIPE(ch, _CHV_PLL_DW8_CH0, _CHV_PLL_DW8_CH1) + +#define _CHV_PLL_DW9_CH0 0x8024 +#define _CHV_PLL_DW9_CH1 0x81A4 +#define DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT 1 /* 3 bits */ +#define DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE 1 /* 1: coarse & 0 : fine */ +#define CHV_PLL_DW9(ch) _PIPE(ch, _CHV_PLL_DW9_CH0, _CHV_PLL_DW9_CH1) + #define _CHV_CMN_DW5_CH0 0x8114 #define CHV_BUFRIGHTENA1_DISABLE (0 << 20) #define CHV_BUFRIGHTENA1_NORMAL (1 << 20) @@ -1328,6 +1351,8 @@ enum skl_disp_power_wells { #define GEN6_WIZ_HASHING_16x4 GEN6_WIZ_HASHING(1, 0) #define GEN6_WIZ_HASHING_MASK GEN6_WIZ_HASHING(1, 1) #define GEN6_TD_FOUR_ROW_DISPATCH_DISABLE (1 << 5) +#define GEN9_IZ_HASHING_MASK(slice) (0x3 << (slice * 2)) +#define GEN9_IZ_HASHING(slice, val) ((val) << (slice * 2)) #define GFX_MODE 0x02520 #define GFX_MODE_GEN7 0x0229c @@ -1506,6 +1531,17 @@ enum skl_disp_power_wells { #define CHV_FGT_EU_DIS_SS1_R1_SHIFT 28 #define CHV_FGT_EU_DIS_SS1_R1_MASK (0xf << CHV_FGT_EU_DIS_SS1_R1_SHIFT) +#define GEN8_FUSE2 0x9120 +#define GEN8_F2_S_ENA_SHIFT 25 +#define GEN8_F2_S_ENA_MASK (0x7 << GEN8_F2_S_ENA_SHIFT) + +#define GEN9_F2_SS_DIS_SHIFT 20 +#define GEN9_F2_SS_DIS_MASK (0xf << GEN9_F2_SS_DIS_SHIFT) + +#define GEN8_EU_DISABLE0 0x9134 +#define GEN8_EU_DISABLE1 0x9138 +#define GEN8_EU_DISABLE2 0x913c + #define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050 #define GEN6_BSD_SLEEP_MSG_DISABLE (1 << 0) #define GEN6_BSD_SLEEP_FLUSH_DISABLE (1 << 2) @@ -3880,6 +3916,7 @@ enum skl_disp_power_wells { #define PIPECONF_INTERLACE_MODE_MASK (7 << 21) #define PIPECONF_EDP_RR_MODE_SWITCH (1 << 20) #define PIPECONF_CXSR_DOWNCLOCK (1<<16) +#define PIPECONF_EDP_RR_MODE_SWITCH_VLV (1 << 14) #define PIPECONF_COLOR_RANGE_SELECT (1 << 13) #define PIPECONF_BPC_MASK (0x7 << 5) #define PIPECONF_8BPC (0<<5) @@ -5246,8 +5283,9 @@ enum skl_disp_power_wells { #define COMMON_SLICE_CHICKEN2 0x7014 # define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE (1<<0) -#define HIZ_CHICKEN 0x7018 -# define CHV_HZ_8X8_MODE_IN_1X (1<<15) +#define HIZ_CHICKEN 0x7018 +# define CHV_HZ_8X8_MODE_IN_1X (1<<15) +# define BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE (1<<3) #define GEN9_SLICE_COMMON_ECO_CHICKEN0 0x7308 #define DISABLE_PIXEL_MASK_CAMMING (1<<14) @@ -6187,6 +6225,26 @@ enum skl_disp_power_wells { #define GEN6_RC6 3 #define GEN6_RC7 4 +#define GEN9_SLICE0_PGCTL_ACK 0x804c +#define GEN9_SLICE1_PGCTL_ACK 0x8050 +#define GEN9_SLICE2_PGCTL_ACK 0x8054 +#define GEN9_PGCTL_SLICE_ACK (1 << 0) + +#define GEN9_SLICE0_SS01_EU_PGCTL_ACK 0x805c +#define GEN9_SLICE0_SS23_EU_PGCTL_ACK 0x8060 +#define GEN9_SLICE1_SS01_EU_PGCTL_ACK 0x8064 +#define GEN9_SLICE1_SS23_EU_PGCTL_ACK 0x8068 +#define GEN9_SLICE2_SS01_EU_PGCTL_ACK 0x806c +#define GEN9_SLICE2_SS23_EU_PGCTL_ACK 0x8070 +#define GEN9_PGCTL_SSA_EU08_ACK (1 << 0) +#define GEN9_PGCTL_SSA_EU19_ACK (1 << 2) +#define GEN9_PGCTL_SSA_EU210_ACK (1 << 4) +#define GEN9_PGCTL_SSA_EU311_ACK (1 << 6) +#define GEN9_PGCTL_SSB_EU08_ACK (1 << 8) +#define GEN9_PGCTL_SSB_EU19_ACK (1 << 10) +#define GEN9_PGCTL_SSB_EU210_ACK (1 << 12) +#define GEN9_PGCTL_SSB_EU311_ACK (1 << 14) + #define GEN7_MISCCPCTL (0x9424) #define GEN7_DOP_CLOCK_GATE_ENABLE (1<<0) diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 9f19ed38cdc3..cf67f82f7b7f 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -29,166 +29,6 @@ #include "intel_drv.h" #include "i915_reg.h" -static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_WRITE8(index_port, reg); - return I915_READ8(data_port); -} - -static u8 i915_read_ar(struct drm_device *dev, u16 st01, u8 reg, u16 palette_enable) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_READ8(st01); - I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); - return I915_READ8(VGA_AR_DATA_READ); -} - -static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_READ8(st01); - I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); - I915_WRITE8(VGA_AR_DATA_WRITE, val); -} - -static void i915_write_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg, u8 val) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_WRITE8(index_port, reg); - I915_WRITE8(data_port, val); -} - -static void i915_save_vga(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - u16 cr_index, cr_data, st01; - - /* VGA state */ - dev_priv->regfile.saveVGA0 = I915_READ(VGA0); - dev_priv->regfile.saveVGA1 = I915_READ(VGA1); - dev_priv->regfile.saveVGA_PD = I915_READ(VGA_PD); - dev_priv->regfile.saveVGACNTRL = I915_READ(i915_vgacntrl_reg(dev)); - - /* VGA color palette registers */ - dev_priv->regfile.saveDACMASK = I915_READ8(VGA_DACMASK); - - /* MSR bits */ - dev_priv->regfile.saveMSR = I915_READ8(VGA_MSR_READ); - if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) { - cr_index = VGA_CR_INDEX_CGA; - cr_data = VGA_CR_DATA_CGA; - st01 = VGA_ST01_CGA; - } else { - cr_index = VGA_CR_INDEX_MDA; - cr_data = VGA_CR_DATA_MDA; - st01 = VGA_ST01_MDA; - } - - /* CRT controller regs */ - i915_write_indexed(dev, cr_index, cr_data, 0x11, - i915_read_indexed(dev, cr_index, cr_data, 0x11) & - (~0x80)); - for (i = 0; i <= 0x24; i++) - dev_priv->regfile.saveCR[i] = - i915_read_indexed(dev, cr_index, cr_data, i); - /* Make sure we don't turn off CR group 0 writes */ - dev_priv->regfile.saveCR[0x11] &= ~0x80; - - /* Attribute controller registers */ - I915_READ8(st01); - dev_priv->regfile.saveAR_INDEX = I915_READ8(VGA_AR_INDEX); - for (i = 0; i <= 0x14; i++) - dev_priv->regfile.saveAR[i] = i915_read_ar(dev, st01, i, 0); - I915_READ8(st01); - I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX); - I915_READ8(st01); - - /* Graphics controller registers */ - for (i = 0; i < 9; i++) - dev_priv->regfile.saveGR[i] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i); - - dev_priv->regfile.saveGR[0x10] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10); - dev_priv->regfile.saveGR[0x11] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11); - dev_priv->regfile.saveGR[0x18] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18); - - /* Sequencer registers */ - for (i = 0; i < 8; i++) - dev_priv->regfile.saveSR[i] = - i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i); -} - -static void i915_restore_vga(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - u16 cr_index, cr_data, st01; - - /* VGA state */ - I915_WRITE(i915_vgacntrl_reg(dev), dev_priv->regfile.saveVGACNTRL); - - I915_WRITE(VGA0, dev_priv->regfile.saveVGA0); - I915_WRITE(VGA1, dev_priv->regfile.saveVGA1); - I915_WRITE(VGA_PD, dev_priv->regfile.saveVGA_PD); - POSTING_READ(VGA_PD); - udelay(150); - - /* MSR bits */ - I915_WRITE8(VGA_MSR_WRITE, dev_priv->regfile.saveMSR); - if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) { - cr_index = VGA_CR_INDEX_CGA; - cr_data = VGA_CR_DATA_CGA; - st01 = VGA_ST01_CGA; - } else { - cr_index = VGA_CR_INDEX_MDA; - cr_data = VGA_CR_DATA_MDA; - st01 = VGA_ST01_MDA; - } - - /* Sequencer registers, don't write SR07 */ - for (i = 0; i < 7; i++) - i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i, - dev_priv->regfile.saveSR[i]); - - /* CRT controller regs */ - /* Enable CR group 0 writes */ - i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->regfile.saveCR[0x11]); - for (i = 0; i <= 0x24; i++) - i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->regfile.saveCR[i]); - - /* Graphics controller regs */ - for (i = 0; i < 9; i++) - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i, - dev_priv->regfile.saveGR[i]); - - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10, - dev_priv->regfile.saveGR[0x10]); - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11, - dev_priv->regfile.saveGR[0x11]); - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18, - dev_priv->regfile.saveGR[0x18]); - - /* Attribute controller registers */ - I915_READ8(st01); /* switch back to index mode */ - for (i = 0; i <= 0x14; i++) - i915_write_ar(dev, st01, i, dev_priv->regfile.saveAR[i], 0); - I915_READ8(st01); /* switch back to index mode */ - I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX | 0x20); - I915_READ8(st01); - - /* VGA color palette registers */ - I915_WRITE8(VGA_DACMASK, dev_priv->regfile.saveDACMASK); -} - static void i915_save_display(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -197,11 +37,6 @@ static void i915_save_display(struct drm_device *dev) if (INTEL_INFO(dev)->gen <= 4) dev_priv->regfile.saveDSPARB = I915_READ(DSPARB); - /* This is only meaningful in non-KMS mode */ - /* Don't regfile.save them in KMS mode */ - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_save_display_reg(dev); - /* LVDS state */ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS); @@ -224,9 +59,6 @@ static void i915_save_display(struct drm_device *dev) /* save FBC interval */ if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev)) dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL); - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_save_vga(dev); } static void i915_restore_display(struct drm_device *dev) @@ -238,11 +70,7 @@ static void i915_restore_display(struct drm_device *dev) if (INTEL_INFO(dev)->gen <= 4) I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB); - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_restore_display_reg(dev); - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - mask = ~LVDS_PORT_EN; + mask = ~LVDS_PORT_EN; /* LVDS state */ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) @@ -270,10 +98,7 @@ static void i915_restore_display(struct drm_device *dev) if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev)) I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL); - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_restore_vga(dev); - else - i915_redisable_vga(dev); + i915_redisable_vga(dev); } int i915_save_state(struct drm_device *dev) @@ -285,24 +110,6 @@ int i915_save_state(struct drm_device *dev) i915_save_display(dev); - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Interrupt state */ - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveDEIER = I915_READ(DEIER); - dev_priv->regfile.saveDEIMR = I915_READ(DEIMR); - dev_priv->regfile.saveGTIER = I915_READ(GTIER); - dev_priv->regfile.saveGTIMR = I915_READ(GTIMR); - dev_priv->regfile.saveFDI_RXA_IMR = I915_READ(_FDI_RXA_IMR); - dev_priv->regfile.saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR); - dev_priv->regfile.saveMCHBAR_RENDER_STANDBY = - I915_READ(RSTDBYCTL); - dev_priv->regfile.savePCH_PORT_HOTPLUG = I915_READ(PCH_PORT_HOTPLUG); - } else { - dev_priv->regfile.saveIER = I915_READ(IER); - dev_priv->regfile.saveIMR = I915_READ(IMR); - } - } - if (IS_GEN4(dev)) pci_read_config_word(dev->pdev, GCDGMBUS, &dev_priv->regfile.saveGCDGMBUS); @@ -341,24 +148,6 @@ int i915_restore_state(struct drm_device *dev) dev_priv->regfile.saveGCDGMBUS); i915_restore_display(dev); - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Interrupt state */ - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(DEIER, dev_priv->regfile.saveDEIER); - I915_WRITE(DEIMR, dev_priv->regfile.saveDEIMR); - I915_WRITE(GTIER, dev_priv->regfile.saveGTIER); - I915_WRITE(GTIMR, dev_priv->regfile.saveGTIMR); - I915_WRITE(_FDI_RXA_IMR, dev_priv->regfile.saveFDI_RXA_IMR); - I915_WRITE(_FDI_RXB_IMR, dev_priv->regfile.saveFDI_RXB_IMR); - I915_WRITE(PCH_PORT_HOTPLUG, dev_priv->regfile.savePCH_PORT_HOTPLUG); - I915_WRITE(RSTDBYCTL, - dev_priv->regfile.saveMCHBAR_RENDER_STANDBY); - } else { - I915_WRITE(IER, dev_priv->regfile.saveIER); - I915_WRITE(IMR, dev_priv->regfile.saveIMR); - } - } - /* Cache mode state */ if (INTEL_INFO(dev)->gen < 7) I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 | diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index cdc9da001484..67bd07edcbb0 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -127,10 +127,19 @@ show_rc6pp_ms(struct device *kdev, struct device_attribute *attr, char *buf) return snprintf(buf, PAGE_SIZE, "%u\n", rc6pp_residency); } +static ssize_t +show_media_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf) +{ + struct drm_minor *dminor = dev_get_drvdata(kdev); + u32 rc6_residency = calc_residency(dminor->dev, VLV_GT_MEDIA_RC6); + return snprintf(buf, PAGE_SIZE, "%u\n", rc6_residency); +} + static DEVICE_ATTR(rc6_enable, S_IRUGO, show_rc6_mask, NULL); static DEVICE_ATTR(rc6_residency_ms, S_IRUGO, show_rc6_ms, NULL); static DEVICE_ATTR(rc6p_residency_ms, S_IRUGO, show_rc6p_ms, NULL); static DEVICE_ATTR(rc6pp_residency_ms, S_IRUGO, show_rc6pp_ms, NULL); +static DEVICE_ATTR(media_rc6_residency_ms, S_IRUGO, show_media_rc6_ms, NULL); static struct attribute *rc6_attrs[] = { &dev_attr_rc6_enable.attr, @@ -153,6 +162,16 @@ static struct attribute_group rc6p_attr_group = { .name = power_group_name, .attrs = rc6p_attrs }; + +static struct attribute *media_rc6_attrs[] = { + &dev_attr_media_rc6_residency_ms.attr, + NULL +}; + +static struct attribute_group media_rc6_attr_group = { + .name = power_group_name, + .attrs = media_rc6_attrs +}; #endif static int l3_access_valid(struct drm_device *dev, loff_t offset) @@ -487,38 +506,17 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr struct drm_minor *minor = dev_to_drm_minor(kdev); struct drm_device *dev = minor->dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 val, rp_state_cap; - ssize_t ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - intel_runtime_pm_get(dev_priv); - rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev->struct_mutex); + u32 val; - if (attr == &dev_attr_gt_RP0_freq_mhz) { - if (IS_VALLEYVIEW(dev)) - val = intel_gpu_freq(dev_priv, dev_priv->rps.rp0_freq); - else - val = intel_gpu_freq(dev_priv, - ((rp_state_cap & 0x0000ff) >> 0)); - } else if (attr == &dev_attr_gt_RP1_freq_mhz) { - if (IS_VALLEYVIEW(dev)) - val = intel_gpu_freq(dev_priv, dev_priv->rps.rp1_freq); - else - val = intel_gpu_freq(dev_priv, - ((rp_state_cap & 0x00ff00) >> 8)); - } else if (attr == &dev_attr_gt_RPn_freq_mhz) { - if (IS_VALLEYVIEW(dev)) - val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq); - else - val = intel_gpu_freq(dev_priv, - ((rp_state_cap & 0xff0000) >> 16)); - } else { + if (attr == &dev_attr_gt_RP0_freq_mhz) + val = intel_gpu_freq(dev_priv, dev_priv->rps.rp0_freq); + else if (attr == &dev_attr_gt_RP1_freq_mhz) + val = intel_gpu_freq(dev_priv, dev_priv->rps.rp1_freq); + else if (attr == &dev_attr_gt_RPn_freq_mhz) + val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq); + else BUG(); - } + return snprintf(buf, PAGE_SIZE, "%d\n", val); } @@ -627,6 +625,12 @@ void i915_setup_sysfs(struct drm_device *dev) if (ret) DRM_ERROR("RC6p residency sysfs setup failed\n"); } + if (IS_VALLEYVIEW(dev)) { + ret = sysfs_merge_group(&dev->primary->kdev->kobj, + &media_rc6_attr_group); + if (ret) + DRM_ERROR("Media RC6 residency sysfs setup failed\n"); + } #endif if (HAS_L3_DPF(dev)) { ret = device_create_bin_file(dev->primary->kdev, &dpf_attrs); diff --git a/drivers/gpu/drm/i915/i915_ums.c b/drivers/gpu/drm/i915/i915_ums.c deleted file mode 100644 index d10fe3e9c49f..000000000000 --- a/drivers/gpu/drm/i915/i915_ums.c +++ /dev/null @@ -1,552 +0,0 @@ -/* - * - * Copyright 2008 (c) Intel Corporation - * Jesse Barnes <jbarnes@virtuousgeek.org> - * Copyright 2013 (c) Intel Corporation - * Daniel Vetter <daniel.vetter@ffwll.ch> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <drm/drmP.h> -#include <drm/i915_drm.h> -#include "intel_drv.h" -#include "i915_reg.h" - -static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 dpll_reg; - - /* On IVB, 3rd pipe shares PLL with another one */ - if (pipe > 1) - return false; - - if (HAS_PCH_SPLIT(dev)) - dpll_reg = PCH_DPLL(pipe); - else - dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B; - - return (I915_READ(dpll_reg) & DPLL_VCO_ENABLE); -} - -static void i915_save_palette(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B); - u32 *array; - int i; - - if (!i915_pipe_enabled(dev, pipe)) - return; - - if (HAS_PCH_SPLIT(dev)) - reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B; - - if (pipe == PIPE_A) - array = dev_priv->regfile.save_palette_a; - else - array = dev_priv->regfile.save_palette_b; - - for (i = 0; i < 256; i++) - array[i] = I915_READ(reg + (i << 2)); -} - -static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B); - u32 *array; - int i; - - if (!i915_pipe_enabled(dev, pipe)) - return; - - if (HAS_PCH_SPLIT(dev)) - reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B; - - if (pipe == PIPE_A) - array = dev_priv->regfile.save_palette_a; - else - array = dev_priv->regfile.save_palette_b; - - for (i = 0; i < 256; i++) - I915_WRITE(reg + (i << 2), array[i]); -} - -void i915_save_display_reg(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - - /* Cursor state */ - dev_priv->regfile.saveCURACNTR = I915_READ(_CURACNTR); - dev_priv->regfile.saveCURAPOS = I915_READ(_CURAPOS); - dev_priv->regfile.saveCURABASE = I915_READ(_CURABASE); - dev_priv->regfile.saveCURBCNTR = I915_READ(_CURBCNTR); - dev_priv->regfile.saveCURBPOS = I915_READ(_CURBPOS); - dev_priv->regfile.saveCURBBASE = I915_READ(_CURBBASE); - if (IS_GEN2(dev)) - dev_priv->regfile.saveCURSIZE = I915_READ(CURSIZE); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePCH_DREF_CONTROL = I915_READ(PCH_DREF_CONTROL); - dev_priv->regfile.saveDISP_ARB_CTL = I915_READ(DISP_ARB_CTL); - } - - /* Pipe & plane A info */ - dev_priv->regfile.savePIPEACONF = I915_READ(_PIPEACONF); - dev_priv->regfile.savePIPEASRC = I915_READ(_PIPEASRC); - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveFPA0 = I915_READ(_PCH_FPA0); - dev_priv->regfile.saveFPA1 = I915_READ(_PCH_FPA1); - dev_priv->regfile.saveDPLL_A = I915_READ(_PCH_DPLL_A); - } else { - dev_priv->regfile.saveFPA0 = I915_READ(_FPA0); - dev_priv->regfile.saveFPA1 = I915_READ(_FPA1); - dev_priv->regfile.saveDPLL_A = I915_READ(_DPLL_A); - } - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveDPLL_A_MD = I915_READ(_DPLL_A_MD); - dev_priv->regfile.saveHTOTAL_A = I915_READ(_HTOTAL_A); - dev_priv->regfile.saveHBLANK_A = I915_READ(_HBLANK_A); - dev_priv->regfile.saveHSYNC_A = I915_READ(_HSYNC_A); - dev_priv->regfile.saveVTOTAL_A = I915_READ(_VTOTAL_A); - dev_priv->regfile.saveVBLANK_A = I915_READ(_VBLANK_A); - dev_priv->regfile.saveVSYNC_A = I915_READ(_VSYNC_A); - if (!HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveBCLRPAT_A = I915_READ(_BCLRPAT_A); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePIPEA_DATA_M1 = I915_READ(_PIPEA_DATA_M1); - dev_priv->regfile.savePIPEA_DATA_N1 = I915_READ(_PIPEA_DATA_N1); - dev_priv->regfile.savePIPEA_LINK_M1 = I915_READ(_PIPEA_LINK_M1); - dev_priv->regfile.savePIPEA_LINK_N1 = I915_READ(_PIPEA_LINK_N1); - - dev_priv->regfile.saveFDI_TXA_CTL = I915_READ(_FDI_TXA_CTL); - dev_priv->regfile.saveFDI_RXA_CTL = I915_READ(_FDI_RXA_CTL); - - dev_priv->regfile.savePFA_CTL_1 = I915_READ(_PFA_CTL_1); - dev_priv->regfile.savePFA_WIN_SZ = I915_READ(_PFA_WIN_SZ); - dev_priv->regfile.savePFA_WIN_POS = I915_READ(_PFA_WIN_POS); - - dev_priv->regfile.saveTRANSACONF = I915_READ(_PCH_TRANSACONF); - dev_priv->regfile.saveTRANS_HTOTAL_A = I915_READ(_PCH_TRANS_HTOTAL_A); - dev_priv->regfile.saveTRANS_HBLANK_A = I915_READ(_PCH_TRANS_HBLANK_A); - dev_priv->regfile.saveTRANS_HSYNC_A = I915_READ(_PCH_TRANS_HSYNC_A); - dev_priv->regfile.saveTRANS_VTOTAL_A = I915_READ(_PCH_TRANS_VTOTAL_A); - dev_priv->regfile.saveTRANS_VBLANK_A = I915_READ(_PCH_TRANS_VBLANK_A); - dev_priv->regfile.saveTRANS_VSYNC_A = I915_READ(_PCH_TRANS_VSYNC_A); - } - - dev_priv->regfile.saveDSPACNTR = I915_READ(_DSPACNTR); - dev_priv->regfile.saveDSPASTRIDE = I915_READ(_DSPASTRIDE); - dev_priv->regfile.saveDSPASIZE = I915_READ(_DSPASIZE); - dev_priv->regfile.saveDSPAPOS = I915_READ(_DSPAPOS); - dev_priv->regfile.saveDSPAADDR = I915_READ(_DSPAADDR); - if (INTEL_INFO(dev)->gen >= 4) { - dev_priv->regfile.saveDSPASURF = I915_READ(_DSPASURF); - dev_priv->regfile.saveDSPATILEOFF = I915_READ(_DSPATILEOFF); - } - i915_save_palette(dev, PIPE_A); - dev_priv->regfile.savePIPEASTAT = I915_READ(_PIPEASTAT); - - /* Pipe & plane B info */ - dev_priv->regfile.savePIPEBCONF = I915_READ(_PIPEBCONF); - dev_priv->regfile.savePIPEBSRC = I915_READ(_PIPEBSRC); - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveFPB0 = I915_READ(_PCH_FPB0); - dev_priv->regfile.saveFPB1 = I915_READ(_PCH_FPB1); - dev_priv->regfile.saveDPLL_B = I915_READ(_PCH_DPLL_B); - } else { - dev_priv->regfile.saveFPB0 = I915_READ(_FPB0); - dev_priv->regfile.saveFPB1 = I915_READ(_FPB1); - dev_priv->regfile.saveDPLL_B = I915_READ(_DPLL_B); - } - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveDPLL_B_MD = I915_READ(_DPLL_B_MD); - dev_priv->regfile.saveHTOTAL_B = I915_READ(_HTOTAL_B); - dev_priv->regfile.saveHBLANK_B = I915_READ(_HBLANK_B); - dev_priv->regfile.saveHSYNC_B = I915_READ(_HSYNC_B); - dev_priv->regfile.saveVTOTAL_B = I915_READ(_VTOTAL_B); - dev_priv->regfile.saveVBLANK_B = I915_READ(_VBLANK_B); - dev_priv->regfile.saveVSYNC_B = I915_READ(_VSYNC_B); - if (!HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveBCLRPAT_B = I915_READ(_BCLRPAT_B); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePIPEB_DATA_M1 = I915_READ(_PIPEB_DATA_M1); - dev_priv->regfile.savePIPEB_DATA_N1 = I915_READ(_PIPEB_DATA_N1); - dev_priv->regfile.savePIPEB_LINK_M1 = I915_READ(_PIPEB_LINK_M1); - dev_priv->regfile.savePIPEB_LINK_N1 = I915_READ(_PIPEB_LINK_N1); - - dev_priv->regfile.saveFDI_TXB_CTL = I915_READ(_FDI_TXB_CTL); - dev_priv->regfile.saveFDI_RXB_CTL = I915_READ(_FDI_RXB_CTL); - - dev_priv->regfile.savePFB_CTL_1 = I915_READ(_PFB_CTL_1); - dev_priv->regfile.savePFB_WIN_SZ = I915_READ(_PFB_WIN_SZ); - dev_priv->regfile.savePFB_WIN_POS = I915_READ(_PFB_WIN_POS); - - dev_priv->regfile.saveTRANSBCONF = I915_READ(_PCH_TRANSBCONF); - dev_priv->regfile.saveTRANS_HTOTAL_B = I915_READ(_PCH_TRANS_HTOTAL_B); - dev_priv->regfile.saveTRANS_HBLANK_B = I915_READ(_PCH_TRANS_HBLANK_B); - dev_priv->regfile.saveTRANS_HSYNC_B = I915_READ(_PCH_TRANS_HSYNC_B); - dev_priv->regfile.saveTRANS_VTOTAL_B = I915_READ(_PCH_TRANS_VTOTAL_B); - dev_priv->regfile.saveTRANS_VBLANK_B = I915_READ(_PCH_TRANS_VBLANK_B); - dev_priv->regfile.saveTRANS_VSYNC_B = I915_READ(_PCH_TRANS_VSYNC_B); - } - - dev_priv->regfile.saveDSPBCNTR = I915_READ(_DSPBCNTR); - dev_priv->regfile.saveDSPBSTRIDE = I915_READ(_DSPBSTRIDE); - dev_priv->regfile.saveDSPBSIZE = I915_READ(_DSPBSIZE); - dev_priv->regfile.saveDSPBPOS = I915_READ(_DSPBPOS); - dev_priv->regfile.saveDSPBADDR = I915_READ(_DSPBADDR); - if (INTEL_INFO(dev)->gen >= 4) { - dev_priv->regfile.saveDSPBSURF = I915_READ(_DSPBSURF); - dev_priv->regfile.saveDSPBTILEOFF = I915_READ(_DSPBTILEOFF); - } - i915_save_palette(dev, PIPE_B); - dev_priv->regfile.savePIPEBSTAT = I915_READ(_PIPEBSTAT); - - /* Fences */ - switch (INTEL_INFO(dev)->gen) { - case 7: - case 6: - for (i = 0; i < 16; i++) - dev_priv->regfile.saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8)); - break; - case 5: - case 4: - for (i = 0; i < 16; i++) - dev_priv->regfile.saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8)); - break; - case 3: - if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) - for (i = 0; i < 8; i++) - dev_priv->regfile.saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4)); - case 2: - for (i = 0; i < 8; i++) - dev_priv->regfile.saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4)); - break; - } - - /* CRT state */ - if (HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveADPA = I915_READ(PCH_ADPA); - else - dev_priv->regfile.saveADPA = I915_READ(ADPA); - - /* Display Port state */ - if (SUPPORTS_INTEGRATED_DP(dev)) { - dev_priv->regfile.saveDP_B = I915_READ(DP_B); - dev_priv->regfile.saveDP_C = I915_READ(DP_C); - dev_priv->regfile.saveDP_D = I915_READ(DP_D); - dev_priv->regfile.savePIPEA_GMCH_DATA_M = I915_READ(_PIPEA_DATA_M_G4X); - dev_priv->regfile.savePIPEB_GMCH_DATA_M = I915_READ(_PIPEB_DATA_M_G4X); - dev_priv->regfile.savePIPEA_GMCH_DATA_N = I915_READ(_PIPEA_DATA_N_G4X); - dev_priv->regfile.savePIPEB_GMCH_DATA_N = I915_READ(_PIPEB_DATA_N_G4X); - dev_priv->regfile.savePIPEA_DP_LINK_M = I915_READ(_PIPEA_LINK_M_G4X); - dev_priv->regfile.savePIPEB_DP_LINK_M = I915_READ(_PIPEB_LINK_M_G4X); - dev_priv->regfile.savePIPEA_DP_LINK_N = I915_READ(_PIPEA_LINK_N_G4X); - dev_priv->regfile.savePIPEB_DP_LINK_N = I915_READ(_PIPEB_LINK_N_G4X); - } - /* FIXME: regfile.save TV & SDVO state */ - - /* Panel fitter */ - if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePFIT_CONTROL = I915_READ(PFIT_CONTROL); - dev_priv->regfile.savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); - } - - /* Backlight */ - if (INTEL_INFO(dev)->gen <= 4) - pci_read_config_byte(dev->pdev, PCI_LBPC, - &dev_priv->regfile.saveLBB); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveBLC_PWM_CTL = I915_READ(BLC_PWM_PCH_CTL1); - dev_priv->regfile.saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_PCH_CTL2); - dev_priv->regfile.saveBLC_CPU_PWM_CTL = I915_READ(BLC_PWM_CPU_CTL); - dev_priv->regfile.saveBLC_CPU_PWM_CTL2 = I915_READ(BLC_PWM_CPU_CTL2); - } else { - dev_priv->regfile.saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); - if (INTEL_INFO(dev)->gen >= 4) - dev_priv->regfile.saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); - dev_priv->regfile.saveBLC_HIST_CTL = I915_READ(BLC_HIST_CTL); - } - - return; -} - -void i915_restore_display_reg(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int dpll_a_reg, fpa0_reg, fpa1_reg; - int dpll_b_reg, fpb0_reg, fpb1_reg; - int i; - - /* Backlight */ - if (INTEL_INFO(dev)->gen <= 4) - pci_write_config_byte(dev->pdev, PCI_LBPC, - dev_priv->regfile.saveLBB); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(BLC_PWM_PCH_CTL1, dev_priv->regfile.saveBLC_PWM_CTL); - I915_WRITE(BLC_PWM_PCH_CTL2, dev_priv->regfile.saveBLC_PWM_CTL2); - /* NOTE: BLC_PWM_CPU_CTL must be written after BLC_PWM_CPU_CTL2; - * otherwise we get blank eDP screen after S3 on some machines - */ - I915_WRITE(BLC_PWM_CPU_CTL2, dev_priv->regfile.saveBLC_CPU_PWM_CTL2); - I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->regfile.saveBLC_CPU_PWM_CTL); - } else { - if (INTEL_INFO(dev)->gen >= 4) - I915_WRITE(BLC_PWM_CTL2, dev_priv->regfile.saveBLC_PWM_CTL2); - I915_WRITE(BLC_PWM_CTL, dev_priv->regfile.saveBLC_PWM_CTL); - I915_WRITE(BLC_HIST_CTL, dev_priv->regfile.saveBLC_HIST_CTL); - } - - /* Panel fitter */ - if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) { - I915_WRITE(PFIT_PGM_RATIOS, dev_priv->regfile.savePFIT_PGM_RATIOS); - I915_WRITE(PFIT_CONTROL, dev_priv->regfile.savePFIT_CONTROL); - } - - /* Display port ratios (must be done before clock is set) */ - if (SUPPORTS_INTEGRATED_DP(dev)) { - I915_WRITE(_PIPEA_DATA_M_G4X, dev_priv->regfile.savePIPEA_GMCH_DATA_M); - I915_WRITE(_PIPEB_DATA_M_G4X, dev_priv->regfile.savePIPEB_GMCH_DATA_M); - I915_WRITE(_PIPEA_DATA_N_G4X, dev_priv->regfile.savePIPEA_GMCH_DATA_N); - I915_WRITE(_PIPEB_DATA_N_G4X, dev_priv->regfile.savePIPEB_GMCH_DATA_N); - I915_WRITE(_PIPEA_LINK_M_G4X, dev_priv->regfile.savePIPEA_DP_LINK_M); - I915_WRITE(_PIPEB_LINK_M_G4X, dev_priv->regfile.savePIPEB_DP_LINK_M); - I915_WRITE(_PIPEA_LINK_N_G4X, dev_priv->regfile.savePIPEA_DP_LINK_N); - I915_WRITE(_PIPEB_LINK_N_G4X, dev_priv->regfile.savePIPEB_DP_LINK_N); - } - - /* Fences */ - switch (INTEL_INFO(dev)->gen) { - case 7: - case 6: - for (i = 0; i < 16; i++) - I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->regfile.saveFENCE[i]); - break; - case 5: - case 4: - for (i = 0; i < 16; i++) - I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->regfile.saveFENCE[i]); - break; - case 3: - case 2: - if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) - for (i = 0; i < 8; i++) - I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->regfile.saveFENCE[i+8]); - for (i = 0; i < 8; i++) - I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->regfile.saveFENCE[i]); - break; - } - - - if (HAS_PCH_SPLIT(dev)) { - dpll_a_reg = _PCH_DPLL_A; - dpll_b_reg = _PCH_DPLL_B; - fpa0_reg = _PCH_FPA0; - fpb0_reg = _PCH_FPB0; - fpa1_reg = _PCH_FPA1; - fpb1_reg = _PCH_FPB1; - } else { - dpll_a_reg = _DPLL_A; - dpll_b_reg = _DPLL_B; - fpa0_reg = _FPA0; - fpb0_reg = _FPB0; - fpa1_reg = _FPA1; - fpb1_reg = _FPB1; - } - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(PCH_DREF_CONTROL, dev_priv->regfile.savePCH_DREF_CONTROL); - I915_WRITE(DISP_ARB_CTL, dev_priv->regfile.saveDISP_ARB_CTL); - } - - /* Pipe & plane A info */ - /* Prime the clock */ - if (dev_priv->regfile.saveDPLL_A & DPLL_VCO_ENABLE) { - I915_WRITE(dpll_a_reg, dev_priv->regfile.saveDPLL_A & - ~DPLL_VCO_ENABLE); - POSTING_READ(dpll_a_reg); - udelay(150); - } - I915_WRITE(fpa0_reg, dev_priv->regfile.saveFPA0); - I915_WRITE(fpa1_reg, dev_priv->regfile.saveFPA1); - /* Actually enable it */ - I915_WRITE(dpll_a_reg, dev_priv->regfile.saveDPLL_A); - POSTING_READ(dpll_a_reg); - udelay(150); - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { - I915_WRITE(_DPLL_A_MD, dev_priv->regfile.saveDPLL_A_MD); - POSTING_READ(_DPLL_A_MD); - } - udelay(150); - - /* Restore mode */ - I915_WRITE(_HTOTAL_A, dev_priv->regfile.saveHTOTAL_A); - I915_WRITE(_HBLANK_A, dev_priv->regfile.saveHBLANK_A); - I915_WRITE(_HSYNC_A, dev_priv->regfile.saveHSYNC_A); - I915_WRITE(_VTOTAL_A, dev_priv->regfile.saveVTOTAL_A); - I915_WRITE(_VBLANK_A, dev_priv->regfile.saveVBLANK_A); - I915_WRITE(_VSYNC_A, dev_priv->regfile.saveVSYNC_A); - if (!HAS_PCH_SPLIT(dev)) - I915_WRITE(_BCLRPAT_A, dev_priv->regfile.saveBCLRPAT_A); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(_PIPEA_DATA_M1, dev_priv->regfile.savePIPEA_DATA_M1); - I915_WRITE(_PIPEA_DATA_N1, dev_priv->regfile.savePIPEA_DATA_N1); - I915_WRITE(_PIPEA_LINK_M1, dev_priv->regfile.savePIPEA_LINK_M1); - I915_WRITE(_PIPEA_LINK_N1, dev_priv->regfile.savePIPEA_LINK_N1); - - I915_WRITE(_FDI_RXA_CTL, dev_priv->regfile.saveFDI_RXA_CTL); - I915_WRITE(_FDI_TXA_CTL, dev_priv->regfile.saveFDI_TXA_CTL); - - I915_WRITE(_PFA_CTL_1, dev_priv->regfile.savePFA_CTL_1); - I915_WRITE(_PFA_WIN_SZ, dev_priv->regfile.savePFA_WIN_SZ); - I915_WRITE(_PFA_WIN_POS, dev_priv->regfile.savePFA_WIN_POS); - - I915_WRITE(_PCH_TRANSACONF, dev_priv->regfile.saveTRANSACONF); - I915_WRITE(_PCH_TRANS_HTOTAL_A, dev_priv->regfile.saveTRANS_HTOTAL_A); - I915_WRITE(_PCH_TRANS_HBLANK_A, dev_priv->regfile.saveTRANS_HBLANK_A); - I915_WRITE(_PCH_TRANS_HSYNC_A, dev_priv->regfile.saveTRANS_HSYNC_A); - I915_WRITE(_PCH_TRANS_VTOTAL_A, dev_priv->regfile.saveTRANS_VTOTAL_A); - I915_WRITE(_PCH_TRANS_VBLANK_A, dev_priv->regfile.saveTRANS_VBLANK_A); - I915_WRITE(_PCH_TRANS_VSYNC_A, dev_priv->regfile.saveTRANS_VSYNC_A); - } - - /* Restore plane info */ - I915_WRITE(_DSPASIZE, dev_priv->regfile.saveDSPASIZE); - I915_WRITE(_DSPAPOS, dev_priv->regfile.saveDSPAPOS); - I915_WRITE(_PIPEASRC, dev_priv->regfile.savePIPEASRC); - I915_WRITE(_DSPAADDR, dev_priv->regfile.saveDSPAADDR); - I915_WRITE(_DSPASTRIDE, dev_priv->regfile.saveDSPASTRIDE); - if (INTEL_INFO(dev)->gen >= 4) { - I915_WRITE(_DSPASURF, dev_priv->regfile.saveDSPASURF); - I915_WRITE(_DSPATILEOFF, dev_priv->regfile.saveDSPATILEOFF); - } - - I915_WRITE(_PIPEACONF, dev_priv->regfile.savePIPEACONF); - - i915_restore_palette(dev, PIPE_A); - /* Enable the plane */ - I915_WRITE(_DSPACNTR, dev_priv->regfile.saveDSPACNTR); - I915_WRITE(_DSPAADDR, I915_READ(_DSPAADDR)); - - /* Pipe & plane B info */ - if (dev_priv->regfile.saveDPLL_B & DPLL_VCO_ENABLE) { - I915_WRITE(dpll_b_reg, dev_priv->regfile.saveDPLL_B & - ~DPLL_VCO_ENABLE); - POSTING_READ(dpll_b_reg); - udelay(150); - } - I915_WRITE(fpb0_reg, dev_priv->regfile.saveFPB0); - I915_WRITE(fpb1_reg, dev_priv->regfile.saveFPB1); - /* Actually enable it */ - I915_WRITE(dpll_b_reg, dev_priv->regfile.saveDPLL_B); - POSTING_READ(dpll_b_reg); - udelay(150); - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { - I915_WRITE(_DPLL_B_MD, dev_priv->regfile.saveDPLL_B_MD); - POSTING_READ(_DPLL_B_MD); - } - udelay(150); - - /* Restore mode */ - I915_WRITE(_HTOTAL_B, dev_priv->regfile.saveHTOTAL_B); - I915_WRITE(_HBLANK_B, dev_priv->regfile.saveHBLANK_B); - I915_WRITE(_HSYNC_B, dev_priv->regfile.saveHSYNC_B); - I915_WRITE(_VTOTAL_B, dev_priv->regfile.saveVTOTAL_B); - I915_WRITE(_VBLANK_B, dev_priv->regfile.saveVBLANK_B); - I915_WRITE(_VSYNC_B, dev_priv->regfile.saveVSYNC_B); - if (!HAS_PCH_SPLIT(dev)) - I915_WRITE(_BCLRPAT_B, dev_priv->regfile.saveBCLRPAT_B); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(_PIPEB_DATA_M1, dev_priv->regfile.savePIPEB_DATA_M1); - I915_WRITE(_PIPEB_DATA_N1, dev_priv->regfile.savePIPEB_DATA_N1); - I915_WRITE(_PIPEB_LINK_M1, dev_priv->regfile.savePIPEB_LINK_M1); - I915_WRITE(_PIPEB_LINK_N1, dev_priv->regfile.savePIPEB_LINK_N1); - - I915_WRITE(_FDI_RXB_CTL, dev_priv->regfile.saveFDI_RXB_CTL); - I915_WRITE(_FDI_TXB_CTL, dev_priv->regfile.saveFDI_TXB_CTL); - - I915_WRITE(_PFB_CTL_1, dev_priv->regfile.savePFB_CTL_1); - I915_WRITE(_PFB_WIN_SZ, dev_priv->regfile.savePFB_WIN_SZ); - I915_WRITE(_PFB_WIN_POS, dev_priv->regfile.savePFB_WIN_POS); - - I915_WRITE(_PCH_TRANSBCONF, dev_priv->regfile.saveTRANSBCONF); - I915_WRITE(_PCH_TRANS_HTOTAL_B, dev_priv->regfile.saveTRANS_HTOTAL_B); - I915_WRITE(_PCH_TRANS_HBLANK_B, dev_priv->regfile.saveTRANS_HBLANK_B); - I915_WRITE(_PCH_TRANS_HSYNC_B, dev_priv->regfile.saveTRANS_HSYNC_B); - I915_WRITE(_PCH_TRANS_VTOTAL_B, dev_priv->regfile.saveTRANS_VTOTAL_B); - I915_WRITE(_PCH_TRANS_VBLANK_B, dev_priv->regfile.saveTRANS_VBLANK_B); - I915_WRITE(_PCH_TRANS_VSYNC_B, dev_priv->regfile.saveTRANS_VSYNC_B); - } - - /* Restore plane info */ - I915_WRITE(_DSPBSIZE, dev_priv->regfile.saveDSPBSIZE); - I915_WRITE(_DSPBPOS, dev_priv->regfile.saveDSPBPOS); - I915_WRITE(_PIPEBSRC, dev_priv->regfile.savePIPEBSRC); - I915_WRITE(_DSPBADDR, dev_priv->regfile.saveDSPBADDR); - I915_WRITE(_DSPBSTRIDE, dev_priv->regfile.saveDSPBSTRIDE); - if (INTEL_INFO(dev)->gen >= 4) { - I915_WRITE(_DSPBSURF, dev_priv->regfile.saveDSPBSURF); - I915_WRITE(_DSPBTILEOFF, dev_priv->regfile.saveDSPBTILEOFF); - } - - I915_WRITE(_PIPEBCONF, dev_priv->regfile.savePIPEBCONF); - - i915_restore_palette(dev, PIPE_B); - /* Enable the plane */ - I915_WRITE(_DSPBCNTR, dev_priv->regfile.saveDSPBCNTR); - I915_WRITE(_DSPBADDR, I915_READ(_DSPBADDR)); - - /* Cursor state */ - I915_WRITE(_CURAPOS, dev_priv->regfile.saveCURAPOS); - I915_WRITE(_CURACNTR, dev_priv->regfile.saveCURACNTR); - I915_WRITE(_CURABASE, dev_priv->regfile.saveCURABASE); - I915_WRITE(_CURBPOS, dev_priv->regfile.saveCURBPOS); - I915_WRITE(_CURBCNTR, dev_priv->regfile.saveCURBCNTR); - I915_WRITE(_CURBBASE, dev_priv->regfile.saveCURBBASE); - if (IS_GEN2(dev)) - I915_WRITE(CURSIZE, dev_priv->regfile.saveCURSIZE); - - /* CRT state */ - if (HAS_PCH_SPLIT(dev)) - I915_WRITE(PCH_ADPA, dev_priv->regfile.saveADPA); - else - I915_WRITE(ADPA, dev_priv->regfile.saveADPA); - - /* Display Port state */ - if (SUPPORTS_INTEGRATED_DP(dev)) { - I915_WRITE(DP_B, dev_priv->regfile.saveDP_B); - I915_WRITE(DP_C, dev_priv->regfile.saveDP_C); - I915_WRITE(DP_D, dev_priv->regfile.saveDP_D); - } - /* FIXME: restore TV & SDVO state */ - - return; -} diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 3f178258d9f9..c684085cb56a 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -662,6 +662,13 @@ parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb) edp_link_params->vswing); break; } + + if (bdb->version >= 173) { + uint8_t vswing; + + vswing = (edp->edp_vswing_preemph >> (panel_type * 4)) & 0xF; + dev_priv->vbt.edp_low_vswing = vswing == 0; + } } static void diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index a6a8710f665f..6afd5be33367 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -554,6 +554,7 @@ struct bdb_edp { /* ith bit indicates enabled/disabled for (i+1)th panel */ u16 edp_s3d_feature; u16 edp_t3_optimization; + u64 edp_vswing_preemph; /* v173 */ } __packed; struct psr_table { diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index f14e8a2a022d..985d531aaf9e 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -139,6 +139,21 @@ static const struct ddi_buf_trans skl_ddi_translations_dp[] = { { 0x00004014, 0x00000087 }, }; +/* eDP 1.4 low vswing translation parameters */ +static const struct ddi_buf_trans skl_ddi_translations_edp[] = { + { 0x00000018, 0x000000a8 }, + { 0x00002016, 0x000000ab }, + { 0x00006012, 0x000000a2 }, + { 0x00008010, 0x00000088 }, + { 0x00000018, 0x000000ab }, + { 0x00004014, 0x000000a2 }, + { 0x00006012, 0x000000a6 }, + { 0x00000018, 0x000000a2 }, + { 0x00005013, 0x0000009c }, + { 0x00000018, 0x00000088 }, +}; + + static const struct ddi_buf_trans skl_ddi_translations_hdmi[] = { /* Idx NT mV T mV db */ { 0x00000018, 0x000000a0 }, /* 0: 400 400 0 */ @@ -187,7 +202,8 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port) { struct drm_i915_private *dev_priv = dev->dev_private; u32 reg; - int i, n_hdmi_entries, hdmi_800mV_0dB; + int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_800mV_0dB, + size; int hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; const struct ddi_buf_trans *ddi_translations_fdi; const struct ddi_buf_trans *ddi_translations_dp; @@ -198,7 +214,15 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port) if (IS_SKYLAKE(dev)) { ddi_translations_fdi = NULL; ddi_translations_dp = skl_ddi_translations_dp; - ddi_translations_edp = skl_ddi_translations_dp; + n_dp_entries = ARRAY_SIZE(skl_ddi_translations_dp); + if (dev_priv->vbt.edp_low_vswing) { + ddi_translations_edp = skl_ddi_translations_edp; + n_edp_entries = ARRAY_SIZE(skl_ddi_translations_edp); + } else { + ddi_translations_edp = skl_ddi_translations_dp; + n_edp_entries = ARRAY_SIZE(skl_ddi_translations_dp); + } + ddi_translations_hdmi = skl_ddi_translations_hdmi; n_hdmi_entries = ARRAY_SIZE(skl_ddi_translations_hdmi); hdmi_800mV_0dB = 7; @@ -207,6 +231,8 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port) ddi_translations_dp = bdw_ddi_translations_dp; ddi_translations_edp = bdw_ddi_translations_edp; ddi_translations_hdmi = bdw_ddi_translations_hdmi; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); hdmi_800mV_0dB = 7; } else if (IS_HASWELL(dev)) { @@ -214,6 +240,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port) ddi_translations_dp = hsw_ddi_translations_dp; ddi_translations_edp = hsw_ddi_translations_dp; ddi_translations_hdmi = hsw_ddi_translations_hdmi; + n_dp_entries = n_edp_entries = ARRAY_SIZE(hsw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); hdmi_800mV_0dB = 6; } else { @@ -222,6 +249,8 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port) ddi_translations_fdi = bdw_ddi_translations_fdi; ddi_translations_dp = bdw_ddi_translations_dp; ddi_translations_hdmi = bdw_ddi_translations_hdmi; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); hdmi_800mV_0dB = 7; } @@ -229,29 +258,34 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port) switch (port) { case PORT_A: ddi_translations = ddi_translations_edp; + size = n_edp_entries; break; case PORT_B: case PORT_C: ddi_translations = ddi_translations_dp; + size = n_dp_entries; break; case PORT_D: - if (intel_dp_is_edp(dev, PORT_D)) + if (intel_dp_is_edp(dev, PORT_D)) { ddi_translations = ddi_translations_edp; - else + size = n_edp_entries; + } else { ddi_translations = ddi_translations_dp; + size = n_dp_entries; + } break; case PORT_E: if (ddi_translations_fdi) ddi_translations = ddi_translations_fdi; else ddi_translations = ddi_translations_dp; + size = n_dp_entries; break; default: BUG(); } - for (i = 0, reg = DDI_BUF_TRANS(port); - i < ARRAY_SIZE(hsw_ddi_translations_fdi); i++) { + for (i = 0, reg = DDI_BUF_TRANS(port); i < size; i++) { I915_WRITE(reg, ddi_translations[i].trans1); reg += 4; I915_WRITE(reg, ddi_translations[i].trans2); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c234af0379fc..dbd817928d0d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -390,7 +390,7 @@ static const intel_limit_t intel_limits_chv = { * them would make no difference. */ .dot = { .min = 25000 * 5, .max = 540000 * 5}, - .vco = { .min = 4860000, .max = 6700000 }, + .vco = { .min = 4860000, .max = 6480000 }, .n = { .min = 1, .max = 1 }, .m1 = { .min = 2, .max = 2 }, .m2 = { .min = 24 << 22, .max = 175 << 22 }, @@ -2195,9 +2195,44 @@ intel_fb_align_height(struct drm_device *dev, int height, uint64_t fb_format_modifier) { int tile_height; + uint32_t bits_per_pixel; - tile_height = fb_format_modifier == I915_FORMAT_MOD_X_TILED ? - (IS_GEN2(dev) ? 16 : 8) : 1; + switch (fb_format_modifier) { + case DRM_FORMAT_MOD_NONE: + tile_height = 1; + break; + case I915_FORMAT_MOD_X_TILED: + tile_height = IS_GEN2(dev) ? 16 : 8; + break; + case I915_FORMAT_MOD_Y_TILED: + tile_height = 32; + break; + case I915_FORMAT_MOD_Yf_TILED: + bits_per_pixel = drm_format_plane_cpp(pixel_format, 0) * 8; + switch (bits_per_pixel) { + default: + case 8: + tile_height = 64; + break; + case 16: + case 32: + tile_height = 32; + break; + case 64: + tile_height = 16; + break; + case 128: + WARN_ONCE(1, + "128-bit pixels are not supported for display!"); + tile_height = 16; + break; + } + break; + default: + MISSING_CASE(fb_format_modifier); + tile_height = 1; + break; + } return ALIGN(height, tile_height); } @@ -2235,8 +2270,12 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane, } break; case I915_FORMAT_MOD_Y_TILED: - WARN(1, "Y tiled bo slipped through, driver bug!\n"); - return -EINVAL; + case I915_FORMAT_MOD_Yf_TILED: + if (WARN_ONCE(INTEL_INFO(dev)->gen < 9, + "Y tiling bo slipped through, driver bug!\n")) + return -EINVAL; + alignment = 1 * 1024 * 1024; + break; default: MISSING_CASE(fb->modifier[0]); return -EINVAL; @@ -2728,6 +2767,40 @@ static void ironlake_update_primary_plane(struct drm_crtc *crtc, POSTING_READ(reg); } +u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier, + uint32_t pixel_format) +{ + u32 bits_per_pixel = drm_format_plane_cpp(pixel_format, 0) * 8; + + /* + * The stride is either expressed as a multiple of 64 bytes + * chunks for linear buffers or in number of tiles for tiled + * buffers. + */ + switch (fb_modifier) { + case DRM_FORMAT_MOD_NONE: + return 64; + case I915_FORMAT_MOD_X_TILED: + if (INTEL_INFO(dev)->gen == 2) + return 128; + return 512; + case I915_FORMAT_MOD_Y_TILED: + /* No need to check for old gens and Y tiling since this is + * about the display engine and those will be blocked before + * we get here. + */ + return 128; + case I915_FORMAT_MOD_Yf_TILED: + if (bits_per_pixel == 8) + return 64; + else + return 128; + default: + MISSING_CASE(fb_modifier); + return 64; + } +} + static void skylake_update_primary_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, int x, int y) @@ -2735,10 +2808,9 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_framebuffer *intel_fb; struct drm_i915_gem_object *obj; int pipe = intel_crtc->pipe; - u32 plane_ctl, stride; + u32 plane_ctl, stride_div; if (!intel_crtc->primary_enabled) { I915_WRITE(PLANE_CTL(pipe, 0), 0); @@ -2773,29 +2845,30 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc, BUG(); } - intel_fb = to_intel_framebuffer(fb); - obj = intel_fb->obj; - - /* - * The stride is either expressed as a multiple of 64 bytes chunks for - * linear buffers or in number of tiles for tiled buffers. - */ switch (fb->modifier[0]) { case DRM_FORMAT_MOD_NONE: - stride = fb->pitches[0] >> 6; break; case I915_FORMAT_MOD_X_TILED: plane_ctl |= PLANE_CTL_TILED_X; - stride = fb->pitches[0] >> 9; + break; + case I915_FORMAT_MOD_Y_TILED: + plane_ctl |= PLANE_CTL_TILED_Y; + break; + case I915_FORMAT_MOD_Yf_TILED: + plane_ctl |= PLANE_CTL_TILED_YF; break; default: - BUG(); + MISSING_CASE(fb->modifier[0]); } plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) plane_ctl |= PLANE_CTL_ROTATE_180; + obj = intel_fb_obj(fb); + stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], + fb->pixel_format); + I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); DRM_DEBUG_KMS("Writing base %08lX %d,%d,%d,%d pitch=%d\n", @@ -2808,7 +2881,7 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc, I915_WRITE(PLANE_SIZE(pipe, 0), (intel_crtc->config->pipe_src_h - 1) << 16 | (intel_crtc->config->pipe_src_w - 1)); - I915_WRITE(PLANE_STRIDE(pipe, 0), stride); + I915_WRITE(PLANE_STRIDE(pipe, 0), fb->pitches[0] / stride_div); I915_WRITE(PLANE_SURF(pipe, 0), i915_gem_obj_ggtt_offset(obj)); POSTING_READ(PLANE_SURF(pipe, 0)); @@ -3062,7 +3135,7 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc) static bool pipe_has_enabled_pch(struct intel_crtc *crtc) { - return crtc->base.enabled && crtc->active && + return crtc->base.state->enable && crtc->active && crtc->config->has_pch_encoder; } @@ -4200,7 +4273,7 @@ static void intel_crtc_load_lut(struct drm_crtc *crtc) bool reenable_ips = false; /* The clocks have to be on to load the palette. */ - if (!crtc->enabled || !intel_crtc->active) + if (!crtc->state->enable || !intel_crtc->active) return; if (!HAS_PCH_SPLIT(dev_priv->dev)) { @@ -4313,7 +4386,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) struct intel_encoder *encoder; int pipe = intel_crtc->pipe; - WARN_ON(!crtc->enabled); + WARN_ON(!crtc->state->enable); if (intel_crtc->active) return; @@ -4322,7 +4395,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) intel_prepare_shared_dpll(intel_crtc); if (intel_crtc->config->has_dp_encoder) - intel_dp_set_m_n(intel_crtc); + intel_dp_set_m_n(intel_crtc, M1_N1); intel_set_pipe_timings(intel_crtc); @@ -4421,7 +4494,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc) struct intel_encoder *encoder; int pipe = intel_crtc->pipe; - WARN_ON(!crtc->enabled); + WARN_ON(!crtc->state->enable); if (intel_crtc->active) return; @@ -4430,7 +4503,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc) intel_enable_shared_dpll(intel_crtc); if (intel_crtc->config->has_dp_encoder) - intel_dp_set_m_n(intel_crtc); + intel_dp_set_m_n(intel_crtc, M1_N1); intel_set_pipe_timings(intel_crtc); @@ -4768,7 +4841,7 @@ static void modeset_update_crtc_power_domains(struct drm_device *dev) for_each_intel_crtc(dev, crtc) { enum intel_display_power_domain domain; - if (!crtc->base.enabled) + if (!crtc->base.state->enable) continue; pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); @@ -4989,7 +5062,7 @@ static void valleyview_modeset_global_pipes(struct drm_device *dev, /* disable/enable all currently active pipes while we change cdclk */ for_each_intel_crtc(dev, intel_crtc) - if (intel_crtc->base.enabled) + if (intel_crtc->base.state->enable) *prepare_pipes |= (1 << intel_crtc->pipe); } @@ -5029,7 +5102,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc) int pipe = intel_crtc->pipe; bool is_dsi; - WARN_ON(!crtc->enabled); + WARN_ON(!crtc->state->enable); if (intel_crtc->active) return; @@ -5044,7 +5117,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc) } if (intel_crtc->config->has_dp_encoder) - intel_dp_set_m_n(intel_crtc); + intel_dp_set_m_n(intel_crtc, M1_N1); intel_set_pipe_timings(intel_crtc); @@ -5112,7 +5185,7 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc) struct intel_encoder *encoder; int pipe = intel_crtc->pipe; - WARN_ON(!crtc->enabled); + WARN_ON(!crtc->state->enable); if (intel_crtc->active) return; @@ -5120,7 +5193,7 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc) i9xx_set_pll_dividers(intel_crtc); if (intel_crtc->config->has_dp_encoder) - intel_dp_set_m_n(intel_crtc); + intel_dp_set_m_n(intel_crtc, M1_N1); intel_set_pipe_timings(intel_crtc); @@ -5311,7 +5384,7 @@ static void intel_crtc_disable(struct drm_crtc *crtc) struct drm_i915_private *dev_priv = dev->dev_private; /* crtc should still be enabled when we disable it. */ - WARN_ON(!crtc->enabled); + WARN_ON(!crtc->state->enable); dev_priv->display.crtc_disable(crtc); dev_priv->display.off(crtc); @@ -5389,7 +5462,8 @@ static void intel_connector_check_state(struct intel_connector *connector) crtc = encoder->base.crtc; - I915_STATE_WARN(!crtc->enabled, "crtc not enabled\n"); + I915_STATE_WARN(!crtc->state->enable, + "crtc not enabled\n"); I915_STATE_WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); I915_STATE_WARN(pipe != to_intel_crtc(crtc)->pipe, "encoder active on the wrong pipe\n"); @@ -5576,7 +5650,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc, * - LVDS dual channel mode * - Double wide pipe */ - if ((intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && + if ((intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS) && intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) pipe_config->pipe_src_w &= ~1; @@ -5879,7 +5953,7 @@ static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, * for gen < 8) and if DRRS is supported (to make sure the * registers are not unnecessarily accessed). */ - if (m2_n2 && INTEL_INFO(dev)->gen < 8 && + if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && crtc->config->has_drrs) { I915_WRITE(PIPE_DATA_M2(transcoder), TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); @@ -5895,13 +5969,29 @@ static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, } } -void intel_dp_set_m_n(struct intel_crtc *crtc) +void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) { + struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; + + if (m_n == M1_N1) { + dp_m_n = &crtc->config->dp_m_n; + dp_m2_n2 = &crtc->config->dp_m2_n2; + } else if (m_n == M2_N2) { + + /* + * M2_N2 registers are not supported. Hence m2_n2 divider value + * needs to be programmed into M1_N1. + */ + dp_m_n = &crtc->config->dp_m2_n2; + } else { + DRM_ERROR("Unsupported divider value\n"); + return; + } + if (crtc->config->has_pch_encoder) intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); else - intel_cpu_transcoder_set_m_n(crtc, &crtc->config->dp_m_n, - &crtc->config->dp_m2_n2); + intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); } static void vlv_update_pll(struct intel_crtc *crtc, @@ -7650,7 +7740,7 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 val, base, offset, stride_mult; + u32 val, base, offset, stride_mult, tiling; int pipe = crtc->pipe; int fourcc, pixel_format; int aligned_height; @@ -7669,11 +7759,6 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc, if (!(val & PLANE_CTL_ENABLE)) goto error; - if (val & PLANE_CTL_TILED_MASK) { - plane_config->tiling = I915_TILING_X; - fb->modifier[0] = I915_FORMAT_MOD_X_TILED; - } - pixel_format = val & PLANE_CTL_FORMAT_MASK; fourcc = skl_format_to_fourcc(pixel_format, val & PLANE_CTL_ORDER_RGBX, @@ -7681,6 +7766,26 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc, fb->pixel_format = fourcc; fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; + tiling = val & PLANE_CTL_TILED_MASK; + switch (tiling) { + case PLANE_CTL_TILED_LINEAR: + fb->modifier[0] = DRM_FORMAT_MOD_NONE; + break; + case PLANE_CTL_TILED_X: + plane_config->tiling = I915_TILING_X; + fb->modifier[0] = I915_FORMAT_MOD_X_TILED; + break; + case PLANE_CTL_TILED_Y: + fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; + break; + case PLANE_CTL_TILED_YF: + fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; + break; + default: + MISSING_CASE(tiling); + goto error; + } + base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; plane_config->base = base; @@ -7691,17 +7796,8 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc, fb->width = ((val >> 0) & 0x1fff) + 1; val = I915_READ(PLANE_STRIDE(pipe, 0)); - switch (plane_config->tiling) { - case I915_TILING_NONE: - stride_mult = 64; - break; - case I915_TILING_X: - stride_mult = 512; - break; - default: - MISSING_CASE(plane_config->tiling); - goto error; - } + stride_mult = intel_fb_stride_alignment(dev, fb->modifier[0], + fb->pixel_format); fb->pitches[0] = (val & 0x3ff) * stride_mult; aligned_height = intel_fb_align_height(dev, fb->height, @@ -8686,7 +8782,7 @@ retry: i++; if (!(encoder->possible_crtcs & (1 << i))) continue; - if (possible_crtc->enabled) + if (possible_crtc->state->enable) continue; /* This can occur when applying the pipe A quirk on resume. */ if (to_intel_crtc(possible_crtc)->new_enabled) @@ -8754,7 +8850,7 @@ retry: return true; fail: - intel_crtc->new_enabled = crtc->enabled; + intel_crtc->new_enabled = crtc->state->enable; if (intel_crtc->new_enabled) intel_crtc->new_config = intel_crtc->config; else @@ -9661,10 +9757,10 @@ static bool __intel_pageflip_stall_check(struct drm_device *dev, !i915_gem_request_completed(work->flip_queued_req, true)) return false; - work->flip_ready_vblank = drm_vblank_count(dev, intel_crtc->pipe); + work->flip_ready_vblank = drm_crtc_vblank_count(crtc); } - if (drm_vblank_count(dev, intel_crtc->pipe) - work->flip_ready_vblank < 3) + if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3) return false; /* Potential stall - if we see that the flip has happened, @@ -9695,7 +9791,8 @@ void intel_check_page_flip(struct drm_device *dev, int pipe) spin_lock(&dev->event_lock); if (intel_crtc->unpin_work && __intel_pageflip_stall_check(dev, crtc)) { WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n", - intel_crtc->unpin_work->flip_queued_vblank, drm_vblank_count(dev, pipe)); + intel_crtc->unpin_work->flip_queued_vblank, + drm_vblank_count(dev, pipe)); page_flip_completed(intel_crtc); } spin_unlock(&dev->event_lock); @@ -9837,7 +9934,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, intel_ring_get_request(ring)); } - work->flip_queued_vblank = drm_vblank_count(dev, intel_crtc->pipe); + work->flip_queued_vblank = drm_crtc_vblank_count(crtc); work->enable_stall_check = true; i915_gem_track_fb(intel_fb_obj(work->old_fb), obj, @@ -9913,7 +10010,7 @@ static void intel_modeset_update_staged_output_state(struct drm_device *dev) } for_each_intel_crtc(dev, crtc) { - crtc->new_enabled = crtc->base.enabled; + crtc->new_enabled = crtc->base.state->enable; if (crtc->new_enabled) crtc->new_config = crtc->config; @@ -9943,6 +10040,7 @@ static void intel_modeset_commit_output_state(struct drm_device *dev) } for_each_intel_crtc(dev, crtc) { + crtc->base.state->enable = crtc->new_enabled; crtc->base.enabled = crtc->new_enabled; } } @@ -10206,6 +10304,7 @@ intel_modeset_pipe_config(struct drm_crtc *crtc, if (!pipe_config) return ERR_PTR(-ENOMEM); + pipe_config->base.crtc = crtc; drm_mode_copy(&pipe_config->base.adjusted_mode, mode); drm_mode_copy(&pipe_config->base.mode, mode); @@ -10354,7 +10453,7 @@ intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, /* Check for pipes that will be enabled/disabled ... */ for_each_intel_crtc(dev, intel_crtc) { - if (intel_crtc->base.enabled == intel_crtc->new_enabled) + if (intel_crtc->base.state->enable == intel_crtc->new_enabled) continue; if (!intel_crtc->new_enabled) @@ -10429,10 +10528,10 @@ intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) /* Double check state. */ for_each_intel_crtc(dev, intel_crtc) { - WARN_ON(intel_crtc->base.enabled != intel_crtc_in_use(&intel_crtc->base)); + WARN_ON(intel_crtc->base.state->enable != intel_crtc_in_use(&intel_crtc->base)); WARN_ON(intel_crtc->new_config && intel_crtc->new_config != intel_crtc->config); - WARN_ON(intel_crtc->base.enabled != !!intel_crtc->new_config); + WARN_ON(intel_crtc->base.state->enable != !!intel_crtc->new_config); } list_for_each_entry(connector, &dev->mode_config.connector_list, head) { @@ -10819,7 +10918,7 @@ check_crtc_state(struct drm_device *dev) DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.base.id); - I915_STATE_WARN(crtc->active && !crtc->base.enabled, + I915_STATE_WARN(crtc->active && !crtc->base.state->enable, "active crtc, but not enabled in sw tracking\n"); for_each_intel_encoder(dev, encoder) { @@ -10833,9 +10932,10 @@ check_crtc_state(struct drm_device *dev) I915_STATE_WARN(active != crtc->active, "crtc's computed active state doesn't match tracked active state " "(expected %i, found %i)\n", active, crtc->active); - I915_STATE_WARN(enabled != crtc->base.enabled, + I915_STATE_WARN(enabled != crtc->base.state->enable, "crtc's computed enabled state doesn't match tracked enabled state " - "(expected %i, found %i)\n", enabled, crtc->base.enabled); + "(expected %i, found %i)\n", enabled, + crtc->base.state->enable); active = dev_priv->display.get_pipe_config(crtc, &pipe_config); @@ -10899,7 +10999,7 @@ check_shared_dpll_state(struct drm_device *dev) pll->on, active); for_each_intel_crtc(dev, crtc) { - if (crtc->base.enabled && intel_crtc_to_shared_dpll(crtc) == pll) + if (crtc->base.state->enable && intel_crtc_to_shared_dpll(crtc) == pll) enabled_crtcs++; if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) active_crtcs++; @@ -11085,7 +11185,7 @@ static int __intel_set_mode(struct drm_crtc *crtc, intel_crtc_disable(&intel_crtc->base); for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { - if (intel_crtc->base.enabled) + if (intel_crtc->base.state->enable) dev_priv->display.crtc_disable(&intel_crtc->base); } @@ -11141,7 +11241,7 @@ static int __intel_set_mode(struct drm_crtc *crtc, /* FIXME: add subpixel order */ done: - if (ret && crtc->enabled) + if (ret && crtc->state->enable) crtc->mode = *saved_mode; kfree(saved_mode); @@ -11237,7 +11337,7 @@ static int intel_set_config_save_state(struct drm_device *dev, */ count = 0; for_each_crtc(dev, crtc) { - config->save_crtc_enabled[count++] = crtc->enabled; + config->save_crtc_enabled[count++] = crtc->state->enable; } count = 0; @@ -11471,7 +11571,7 @@ intel_modeset_stage_output_state(struct drm_device *dev, } } - if (crtc->new_enabled != crtc->base.enabled) { + if (crtc->new_enabled != crtc->base.state->enable) { DRM_DEBUG_KMS("crtc %sabled, full mode switch\n", crtc->new_enabled ? "en" : "dis"); config->mode_changed = true; @@ -11907,6 +12007,12 @@ intel_check_primary_plane(struct drm_plane *plane, INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); intel_crtc->atomic.update_fbc = true; + + /* Update watermarks on tiling changes. */ + if (!plane->state->fb || !state->base.fb || + plane->state->fb->modifier[0] != + state->base.fb->modifier[0]) + intel_crtc->atomic.update_wm = true; } return 0; @@ -12297,6 +12403,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) if (!crtc_state) goto fail; intel_crtc_set_state(intel_crtc, crtc_state); + crtc_state->base.crtc = &intel_crtc->base; primary = intel_primary_plane_create(dev, pipe); if (!primary) @@ -12374,9 +12481,6 @@ int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, struct drm_crtc *drmmode_crtc; struct intel_crtc *crtc; - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -ENODEV; - drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); if (!drmmode_crtc) { @@ -12649,14 +12753,43 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = { .create_handle = intel_user_framebuffer_create_handle, }; +static +u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, + uint32_t pixel_format) +{ + u32 gen = INTEL_INFO(dev)->gen; + + if (gen >= 9) { + /* "The stride in bytes must not exceed the of the size of 8K + * pixels and 32K bytes." + */ + return min(8192*drm_format_plane_cpp(pixel_format, 0), 32768); + } else if (gen >= 5 && !IS_VALLEYVIEW(dev)) { + return 32*1024; + } else if (gen >= 4) { + if (fb_modifier == I915_FORMAT_MOD_X_TILED) + return 16*1024; + else + return 32*1024; + } else if (gen >= 3) { + if (fb_modifier == I915_FORMAT_MOD_X_TILED) + return 8*1024; + else + return 16*1024; + } else { + /* XXX DSPC is limited to 4k tiled */ + return 8*1024; + } +} + static int intel_framebuffer_init(struct drm_device *dev, struct intel_framebuffer *intel_fb, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_i915_gem_object *obj) { int aligned_height; - int pitch_limit; int ret; + u32 pitch_limit, stride_alignment; WARN_ON(!mutex_is_locked(&dev->struct_mutex)); @@ -12677,36 +12810,37 @@ static int intel_framebuffer_init(struct drm_device *dev, } } - if (mode_cmd->modifier[0] == I915_FORMAT_MOD_Y_TILED) { - DRM_DEBUG("hardware does not support tiling Y\n"); + /* Passed in modifier sanity checking. */ + switch (mode_cmd->modifier[0]) { + case I915_FORMAT_MOD_Y_TILED: + case I915_FORMAT_MOD_Yf_TILED: + if (INTEL_INFO(dev)->gen < 9) { + DRM_DEBUG("Unsupported tiling 0x%llx!\n", + mode_cmd->modifier[0]); + return -EINVAL; + } + case DRM_FORMAT_MOD_NONE: + case I915_FORMAT_MOD_X_TILED: + break; + default: + DRM_ERROR("Unsupported fb modifier 0x%llx!\n", + mode_cmd->modifier[0]); return -EINVAL; } - if (mode_cmd->pitches[0] & 63) { - DRM_DEBUG("pitch (%d) must be at least 64 byte aligned\n", - mode_cmd->pitches[0]); + stride_alignment = intel_fb_stride_alignment(dev, mode_cmd->modifier[0], + mode_cmd->pixel_format); + if (mode_cmd->pitches[0] & (stride_alignment - 1)) { + DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", + mode_cmd->pitches[0], stride_alignment); return -EINVAL; } - if (INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev)) { - pitch_limit = 32*1024; - } else if (INTEL_INFO(dev)->gen >= 4) { - if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED) - pitch_limit = 16*1024; - else - pitch_limit = 32*1024; - } else if (INTEL_INFO(dev)->gen >= 3) { - if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED) - pitch_limit = 8*1024; - else - pitch_limit = 16*1024; - } else - /* XXX DSPC is limited to 4k tiled */ - pitch_limit = 8*1024; - + pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], + mode_cmd->pixel_format); if (mode_cmd->pitches[0] > pitch_limit) { - DRM_DEBUG("%s pitch (%d) must be at less than %d\n", - mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED ? + DRM_DEBUG("%s pitch (%u) must be at less than %d\n", + mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? "tiled" : "linear", mode_cmd->pitches[0], pitch_limit); return -EINVAL; @@ -13318,11 +13452,11 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); /* restore vblank interrupts to correct state */ + drm_crtc_vblank_reset(&crtc->base); if (crtc->active) { update_scanline_offset(crtc); - drm_vblank_on(dev, crtc->pipe); - } else - drm_vblank_off(dev, crtc->pipe); + drm_crtc_vblank_on(&crtc->base); + } /* We need to sanitize the plane -> pipe mapping first because this will * disable the crtc (and hence change the state) if it is wrong. Note @@ -13362,6 +13496,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) } WARN_ON(crtc->active); + crtc->base.state->enable = false; crtc->base.enabled = false; } @@ -13378,7 +13513,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * have active connectors/encoders. */ intel_crtc_update_dpms(&crtc->base); - if (crtc->active != crtc->base.enabled) { + if (crtc->active != crtc->base.state->enable) { struct intel_encoder *encoder; /* This can happen either due to bugs in the get_hw_state @@ -13386,9 +13521,10 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * pipe A quirk. */ DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", crtc->base.base.id, - crtc->base.enabled ? "enabled" : "disabled", + crtc->base.state->enable ? "enabled" : "disabled", crtc->active ? "enabled" : "disabled"); + crtc->base.state->enable = crtc->active; crtc->base.enabled = crtc->active; /* Because we only establish the connector -> encoder -> @@ -13525,6 +13661,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) crtc->active = dev_priv->display.get_pipe_config(crtc, crtc->config); + crtc->base.state->enable = crtc->active; crtc->base.enabled = crtc->active; crtc->primary_enabled = primary_get_hw_state(crtc); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 868a07ba5e59..d1141d37e205 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2691,11 +2691,14 @@ static uint8_t intel_dp_voltage_max(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp_to_dev(intel_dp); + struct drm_i915_private *dev_priv = dev->dev_private; enum port port = dp_to_dig_port(intel_dp)->port; - if (INTEL_INFO(dev)->gen >= 9) + if (INTEL_INFO(dev)->gen >= 9) { + if (dev_priv->vbt.edp_low_vswing && port == PORT_A) + return DP_TRAIN_VOLTAGE_SWING_LEVEL_3; return DP_TRAIN_VOLTAGE_SWING_LEVEL_2; - else if (IS_VALLEYVIEW(dev)) + } else if (IS_VALLEYVIEW(dev)) return DP_TRAIN_VOLTAGE_SWING_LEVEL_3; else if (IS_GEN7(dev) && port == PORT_A) return DP_TRAIN_VOLTAGE_SWING_LEVEL_2; @@ -2719,6 +2722,8 @@ intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing) return DP_TRAIN_PRE_EMPH_LEVEL_2; case DP_TRAIN_VOLTAGE_SWING_LEVEL_2: return DP_TRAIN_PRE_EMPH_LEVEL_1; + case DP_TRAIN_VOLTAGE_SWING_LEVEL_3: + return DP_TRAIN_PRE_EMPH_LEVEL_0; default: return DP_TRAIN_PRE_EMPH_LEVEL_0; } @@ -3201,6 +3206,9 @@ intel_hsw_signal_levels(uint8_t train_set) return DDI_BUF_TRANS_SELECT(7); case DP_TRAIN_VOLTAGE_SWING_LEVEL_2 | DP_TRAIN_PRE_EMPH_LEVEL_1: return DDI_BUF_TRANS_SELECT(8); + + case DP_TRAIN_VOLTAGE_SWING_LEVEL_3 | DP_TRAIN_PRE_EMPH_LEVEL_0: + return DDI_BUF_TRANS_SELECT(9); default: DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:" "0x%x\n", signal_levels); @@ -4736,6 +4744,18 @@ intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev, I915_READ(pp_div_reg)); } +/** + * intel_dp_set_drrs_state - program registers for RR switch to take effect + * @dev: DRM device + * @refresh_rate: RR to be programmed + * + * This function gets called when refresh rate (RR) has to be changed from + * one frequency to another. Switches can be between high and low RR + * supported by the panel or to any other RR based on media playback (in + * this case, RR value needs to be passed from user space). + * + * The caller of this function needs to take a lock on dev_priv->drrs. + */ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -4793,14 +4813,32 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate) return; } - if (INTEL_INFO(dev)->gen > 6 && INTEL_INFO(dev)->gen < 8) { + if (INTEL_INFO(dev)->gen >= 8 && !IS_CHERRYVIEW(dev)) { + switch (index) { + case DRRS_HIGH_RR: + intel_dp_set_m_n(intel_crtc, M1_N1); + break; + case DRRS_LOW_RR: + intel_dp_set_m_n(intel_crtc, M2_N2); + break; + case DRRS_MAX_RR: + default: + DRM_ERROR("Unsupported refreshrate type\n"); + } + } else if (INTEL_INFO(dev)->gen > 6) { reg = PIPECONF(intel_crtc->config->cpu_transcoder); val = I915_READ(reg); + if (index > DRRS_HIGH_RR) { - val |= PIPECONF_EDP_RR_MODE_SWITCH; - intel_dp_set_m_n(intel_crtc); + if (IS_VALLEYVIEW(dev)) + val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val |= PIPECONF_EDP_RR_MODE_SWITCH; } else { - val &= ~PIPECONF_EDP_RR_MODE_SWITCH; + if (IS_VALLEYVIEW(dev)) + val &= ~PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val &= ~PIPECONF_EDP_RR_MODE_SWITCH; } I915_WRITE(reg, val); } @@ -4810,6 +4848,12 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate) DRM_DEBUG_KMS("eDP Refresh Rate set to : %dHz\n", refresh_rate); } +/** + * intel_edp_drrs_enable - init drrs struct if supported + * @intel_dp: DP struct + * + * Initializes frontbuffer_bits and drrs.dp + */ void intel_edp_drrs_enable(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp_to_dev(intel_dp); @@ -4837,6 +4881,11 @@ unlock: mutex_unlock(&dev_priv->drrs.mutex); } +/** + * intel_edp_drrs_disable - Disable DRRS + * @intel_dp: DP struct + * + */ void intel_edp_drrs_disable(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp_to_dev(intel_dp); @@ -4896,6 +4945,17 @@ unlock: mutex_unlock(&dev_priv->drrs.mutex); } +/** + * intel_edp_drrs_invalidate - Invalidate DRRS + * @dev: DRM device + * @frontbuffer_bits: frontbuffer plane tracking bits + * + * When there is a disturbance on screen (due to cursor movement/time + * update etc), DRRS needs to be invalidated, i.e. need to switch to + * high RR. + * + * Dirty frontbuffers relevant to DRRS are tracked in busy_frontbuffer_bits. + */ void intel_edp_drrs_invalidate(struct drm_device *dev, unsigned frontbuffer_bits) { @@ -4923,6 +4983,17 @@ void intel_edp_drrs_invalidate(struct drm_device *dev, mutex_unlock(&dev_priv->drrs.mutex); } +/** + * intel_edp_drrs_flush - Flush DRRS + * @dev: DRM device + * @frontbuffer_bits: frontbuffer plane tracking bits + * + * When there is no movement on screen, DRRS work can be scheduled. + * This DRRS work is responsible for setting relevant registers after a + * timeout of 1 second. + * + * Dirty frontbuffers relevant to DRRS are tracked in busy_frontbuffer_bits. + */ void intel_edp_drrs_flush(struct drm_device *dev, unsigned frontbuffer_bits) { @@ -4947,6 +5018,56 @@ void intel_edp_drrs_flush(struct drm_device *dev, mutex_unlock(&dev_priv->drrs.mutex); } +/** + * DOC: Display Refresh Rate Switching (DRRS) + * + * Display Refresh Rate Switching (DRRS) is a power conservation feature + * which enables swtching between low and high refresh rates, + * dynamically, based on the usage scenario. This feature is applicable + * for internal panels. + * + * Indication that the panel supports DRRS is given by the panel EDID, which + * would list multiple refresh rates for one resolution. + * + * DRRS is of 2 types - static and seamless. + * Static DRRS involves changing refresh rate (RR) by doing a full modeset + * (may appear as a blink on screen) and is used in dock-undock scenario. + * Seamless DRRS involves changing RR without any visual effect to the user + * and can be used during normal system usage. This is done by programming + * certain registers. + * + * Support for static/seamless DRRS may be indicated in the VBT based on + * inputs from the panel spec. + * + * DRRS saves power by switching to low RR based on usage scenarios. + * + * eDP DRRS:- + * The implementation is based on frontbuffer tracking implementation. + * When there is a disturbance on the screen triggered by user activity or a + * periodic system activity, DRRS is disabled (RR is changed to high RR). + * When there is no movement on screen, after a timeout of 1 second, a switch + * to low RR is made. + * For integration with frontbuffer tracking code, + * intel_edp_drrs_invalidate() and intel_edp_drrs_flush() are called. + * + * DRRS can be further extended to support other internal panels and also + * the scenario of video playback wherein RR is set based on the rate + * requested by userspace. + */ + +/** + * intel_dp_drrs_init - Init basic DRRS work and mutex. + * @intel_connector: eDP connector + * @fixed_mode: preferred mode of panel + * + * This function is called only once at driver load to initialize basic + * DRRS stuff. + * + * Returns: + * Downclock mode if panel supports it, else return NULL. + * DRRS support is determined by the presence of downclock mode (apart + * from VBT setting). + */ static struct drm_display_mode * intel_dp_drrs_init(struct intel_connector *intel_connector, struct drm_display_mode *fixed_mode) @@ -4970,7 +5091,7 @@ intel_dp_drrs_init(struct intel_connector *intel_connector, (dev, fixed_mode, connector); if (!downclock_mode) { - DRM_DEBUG_KMS("DRRS not supported\n"); + DRM_DEBUG_KMS("Downclock mode is not found. DRRS not supported\n"); return NULL; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 58d11a8066d4..f4aa849b243e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -501,6 +501,7 @@ struct intel_plane_wm_parameters { uint8_t bytes_per_pixel; bool enabled; bool scaled; + u64 tiling; }; struct intel_plane { @@ -593,6 +594,26 @@ struct intel_hdmi { struct intel_dp_mst_encoder; #define DP_MAX_DOWNSTREAM_PORTS 0x10 +/* + * enum link_m_n_set: + * When platform provides two set of M_N registers for dp, we can + * program them and switch between them incase of DRRS. + * But When only one such register is provided, we have to program the + * required divider value on that registers itself based on the DRRS state. + * + * M1_N1 : Program dp_m_n on M1_N1 registers + * dp_m2_n2 on M2_N2 registers (If supported) + * + * M2_N2 : Program dp_m2_n2 on M1_N1 registers + * M2_N2 registers are not supported + */ + +enum link_m_n_set { + /* Sets the m1_n1 and m2_n2 */ + M1_N1 = 0, + M2_N2 +}; + struct intel_dp { uint32_t output_reg; uint32_t aux_ch_ctl_reg; @@ -883,6 +904,8 @@ int intel_fb_align_height(struct drm_device *dev, int height, uint64_t fb_format_modifier); void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire); +u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier, + uint32_t pixel_format); /* intel_audio.c */ void intel_init_audio(struct drm_device *dev); @@ -996,7 +1019,7 @@ void hsw_enable_pc8(struct drm_i915_private *dev_priv); void hsw_disable_pc8(struct drm_i915_private *dev_priv); void intel_dp_get_m_n(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config); -void intel_dp_set_m_n(struct intel_crtc *crtc); +void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n); int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); void ironlake_check_encoder_dotclock(const struct intel_crtc_state *pipe_config, diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index ee65731baaf7..618f7bdab0ba 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -473,6 +473,43 @@ static bool set_no_fbc_reason(struct drm_i915_private *dev_priv, return true; } +static struct drm_crtc *intel_fbc_find_crtc(struct drm_i915_private *dev_priv) +{ + struct drm_crtc *crtc = NULL, *tmp_crtc; + enum pipe pipe; + bool pipe_a_only = false, one_pipe_only = false; + + if (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8) + pipe_a_only = true; + else if (INTEL_INFO(dev_priv)->gen <= 4) + one_pipe_only = true; + + for_each_pipe(dev_priv, pipe) { + tmp_crtc = dev_priv->pipe_to_crtc_mapping[pipe]; + + if (intel_crtc_active(tmp_crtc) && + to_intel_crtc(tmp_crtc)->primary_enabled) { + if (one_pipe_only && crtc) { + if (set_no_fbc_reason(dev_priv, FBC_MULTIPLE_PIPES)) + DRM_DEBUG_KMS("more than one pipe active, disabling compression\n"); + return NULL; + } + crtc = tmp_crtc; + } + + if (pipe_a_only) + break; + } + + if (!crtc || crtc->primary->fb == NULL) { + if (set_no_fbc_reason(dev_priv, FBC_NO_OUTPUT)) + DRM_DEBUG_KMS("no output, disabling\n"); + return NULL; + } + + return crtc; +} + /** * intel_fbc_update - enable/disable FBC as needed * @dev: the drm_device @@ -495,7 +532,7 @@ static bool set_no_fbc_reason(struct drm_i915_private *dev_priv, void intel_fbc_update(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc = NULL, *tmp_crtc; + struct drm_crtc *crtc = NULL; struct intel_crtc *intel_crtc; struct drm_framebuffer *fb; struct drm_i915_gem_object *obj; @@ -530,23 +567,9 @@ void intel_fbc_update(struct drm_device *dev) * - new fb is too large to fit in compressed buffer * - going to an unsupported config (interlace, pixel multiply, etc.) */ - for_each_crtc(dev, tmp_crtc) { - if (intel_crtc_active(tmp_crtc) && - to_intel_crtc(tmp_crtc)->primary_enabled) { - if (crtc) { - if (set_no_fbc_reason(dev_priv, FBC_MULTIPLE_PIPES)) - DRM_DEBUG_KMS("more than one pipe active, disabling compression\n"); - goto out_disable; - } - crtc = tmp_crtc; - } - } - - if (!crtc || crtc->primary->fb == NULL) { - if (set_no_fbc_reason(dev_priv, FBC_NO_OUTPUT)) - DRM_DEBUG_KMS("no output, disabling\n"); + crtc = intel_fbc_find_crtc(dev_priv); + if (!crtc) goto out_disable; - } intel_crtc = to_intel_crtc(crtc); fb = crtc->primary->fb; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index aafcef3b6b23..a2dc9a11a248 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -620,7 +620,7 @@ static int execlists_move_to_gpu(struct intel_ringbuffer *ringbuf, * @vmas: list of vmas. * @batch_obj: the batchbuffer to submit. * @exec_start: batchbuffer start virtual address pointer. - * @flags: translated execbuffer call flags. + * @dispatch_flags: translated execbuffer call flags. * * This is the evil twin version of i915_gem_ringbuffer_submission. It abstracts * away the submission details of the execbuffer ioctl call. @@ -633,7 +633,7 @@ int intel_execlists_submission(struct drm_device *dev, struct drm_file *file, struct drm_i915_gem_execbuffer2 *args, struct list_head *vmas, struct drm_i915_gem_object *batch_obj, - u64 exec_start, u32 flags) + u64 exec_start, u32 dispatch_flags) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_ringbuffer *ringbuf = ctx->engine[ring->id].ringbuf; @@ -706,10 +706,12 @@ int intel_execlists_submission(struct drm_device *dev, struct drm_file *file, dev_priv->relative_constants_mode = instp_mode; } - ret = ring->emit_bb_start(ringbuf, ctx, exec_start, flags); + ret = ring->emit_bb_start(ringbuf, ctx, exec_start, dispatch_flags); if (ret) return ret; + trace_i915_gem_ring_dispatch(intel_ring_get_request(ring), dispatch_flags); + i915_gem_execbuffer_move_to_active(vmas, ring); i915_gem_execbuffer_retire_commands(dev, file, ring, batch_obj); @@ -886,12 +888,9 @@ static int logical_ring_alloc_request(struct intel_engine_cs *ring, return ret; } - /* Hold a reference to the context this request belongs to - * (we will need it when the time comes to emit/retire the - * request). - */ request->ctx = ctx; i915_gem_context_reference(request->ctx); + request->ringbuf = ctx->engine[ring->id].ringbuf; ring->outstanding_lazy_request = request; return 0; @@ -1163,9 +1162,9 @@ static int gen9_init_render_ring(struct intel_engine_cs *ring) static int gen8_emit_bb_start(struct intel_ringbuffer *ringbuf, struct intel_context *ctx, - u64 offset, unsigned flags) + u64 offset, unsigned dispatch_flags) { - bool ppgtt = !(flags & I915_DISPATCH_SECURE); + bool ppgtt = !(dispatch_flags & I915_DISPATCH_SECURE); int ret; ret = intel_logical_ring_begin(ringbuf, ctx, 4); @@ -1638,6 +1637,49 @@ cleanup_render_ring: return ret; } +static u32 +make_rpcs(struct drm_device *dev) +{ + u32 rpcs = 0; + + /* + * No explicit RPCS request is needed to ensure full + * slice/subslice/EU enablement prior to Gen9. + */ + if (INTEL_INFO(dev)->gen < 9) + return 0; + + /* + * Starting in Gen9, render power gating can leave + * slice/subslice/EU in a partially enabled state. We + * must make an explicit request through RPCS for full + * enablement. + */ + if (INTEL_INFO(dev)->has_slice_pg) { + rpcs |= GEN8_RPCS_S_CNT_ENABLE; + rpcs |= INTEL_INFO(dev)->slice_total << + GEN8_RPCS_S_CNT_SHIFT; + rpcs |= GEN8_RPCS_ENABLE; + } + + if (INTEL_INFO(dev)->has_subslice_pg) { + rpcs |= GEN8_RPCS_SS_CNT_ENABLE; + rpcs |= INTEL_INFO(dev)->subslice_per_slice << + GEN8_RPCS_SS_CNT_SHIFT; + rpcs |= GEN8_RPCS_ENABLE; + } + + if (INTEL_INFO(dev)->has_eu_pg) { + rpcs |= INTEL_INFO(dev)->eu_per_subslice << + GEN8_RPCS_EU_MIN_SHIFT; + rpcs |= INTEL_INFO(dev)->eu_per_subslice << + GEN8_RPCS_EU_MAX_SHIFT; + rpcs |= GEN8_RPCS_ENABLE; + } + + return rpcs; +} + static int populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_obj, struct intel_engine_cs *ring, struct intel_ringbuffer *ringbuf) @@ -1731,18 +1773,18 @@ populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_o reg_state[CTX_PDP1_LDW] = GEN8_RING_PDP_LDW(ring, 1); reg_state[CTX_PDP0_UDW] = GEN8_RING_PDP_UDW(ring, 0); reg_state[CTX_PDP0_LDW] = GEN8_RING_PDP_LDW(ring, 0); - reg_state[CTX_PDP3_UDW+1] = upper_32_bits(ppgtt->pd_dma_addr[3]); - reg_state[CTX_PDP3_LDW+1] = lower_32_bits(ppgtt->pd_dma_addr[3]); - reg_state[CTX_PDP2_UDW+1] = upper_32_bits(ppgtt->pd_dma_addr[2]); - reg_state[CTX_PDP2_LDW+1] = lower_32_bits(ppgtt->pd_dma_addr[2]); - reg_state[CTX_PDP1_UDW+1] = upper_32_bits(ppgtt->pd_dma_addr[1]); - reg_state[CTX_PDP1_LDW+1] = lower_32_bits(ppgtt->pd_dma_addr[1]); - reg_state[CTX_PDP0_UDW+1] = upper_32_bits(ppgtt->pd_dma_addr[0]); - reg_state[CTX_PDP0_LDW+1] = lower_32_bits(ppgtt->pd_dma_addr[0]); + reg_state[CTX_PDP3_UDW+1] = upper_32_bits(ppgtt->pdp.page_directory[3]->daddr); + reg_state[CTX_PDP3_LDW+1] = lower_32_bits(ppgtt->pdp.page_directory[3]->daddr); + reg_state[CTX_PDP2_UDW+1] = upper_32_bits(ppgtt->pdp.page_directory[2]->daddr); + reg_state[CTX_PDP2_LDW+1] = lower_32_bits(ppgtt->pdp.page_directory[2]->daddr); + reg_state[CTX_PDP1_UDW+1] = upper_32_bits(ppgtt->pdp.page_directory[1]->daddr); + reg_state[CTX_PDP1_LDW+1] = lower_32_bits(ppgtt->pdp.page_directory[1]->daddr); + reg_state[CTX_PDP0_UDW+1] = upper_32_bits(ppgtt->pdp.page_directory[0]->daddr); + reg_state[CTX_PDP0_LDW+1] = lower_32_bits(ppgtt->pdp.page_directory[0]->daddr); if (ring->id == RCS) { reg_state[CTX_LRI_HEADER_2] = MI_LOAD_REGISTER_IMM(1); - reg_state[CTX_R_PWR_CLK_STATE] = 0x20c8; - reg_state[CTX_R_PWR_CLK_STATE+1] = 0; + reg_state[CTX_R_PWR_CLK_STATE] = GEN8_R_PWR_CLK_STATE; + reg_state[CTX_R_PWR_CLK_STATE+1] = make_rpcs(dev); } kunmap_atomic(reg_state); @@ -1950,3 +1992,38 @@ error_unpin_ctx: drm_gem_object_unreference(&ctx_obj->base); return ret; } + +void intel_lr_context_reset(struct drm_device *dev, + struct intel_context *ctx) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_engine_cs *ring; + int i; + + for_each_ring(ring, dev_priv, i) { + struct drm_i915_gem_object *ctx_obj = + ctx->engine[ring->id].state; + struct intel_ringbuffer *ringbuf = + ctx->engine[ring->id].ringbuf; + uint32_t *reg_state; + struct page *page; + + if (!ctx_obj) + continue; + + if (i915_gem_object_get_pages(ctx_obj)) { + WARN(1, "Failed get_pages for context obj\n"); + continue; + } + page = i915_gem_object_get_page(ctx_obj, 1); + reg_state = kmap_atomic(page); + + reg_state[CTX_RING_HEAD+1] = 0; + reg_state[CTX_RING_TAIL+1] = 0; + + kunmap_atomic(reg_state); + + ringbuf->head = 0; + ringbuf->tail = 0; + } +} diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h index f635735df8a1..adb731e49c57 100644 --- a/drivers/gpu/drm/i915/intel_lrc.h +++ b/drivers/gpu/drm/i915/intel_lrc.h @@ -73,6 +73,8 @@ int intel_lr_context_deferred_create(struct intel_context *ctx, struct intel_engine_cs *ring); void intel_lr_context_unpin(struct intel_engine_cs *ring, struct intel_context *ctx); +void intel_lr_context_reset(struct drm_device *dev, + struct intel_context *ctx); /* Execlists */ int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists); @@ -82,7 +84,7 @@ int intel_execlists_submission(struct drm_device *dev, struct drm_file *file, struct drm_i915_gem_execbuffer2 *args, struct list_head *vmas, struct drm_i915_gem_object *batch_obj, - u64 exec_start, u32 flags); + u64 exec_start, u32 dispatch_flags); u32 intel_execlists_ctx_id(struct drm_i915_gem_object *ctx_obj); void intel_lrc_irq_handler(struct intel_engine_cs *ring); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 071b96d6e146..24e8730dc189 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -509,7 +509,7 @@ static int intel_lvds_set_property(struct drm_connector *connector, intel_connector->panel.fitting_mode = value; crtc = intel_attached_encoder(connector)->base.crtc; - if (crtc && crtc->enabled) { + if (crtc && crtc->state->enable) { /* * If the CRTC is enabled, the display will be changed * according to the new panel fitting mode. diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index d8de1d5140a7..71e87abdcae7 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -744,10 +744,8 @@ void intel_opregion_init(struct drm_device *dev) return; if (opregion->acpi) { - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - intel_didl_outputs(dev); - intel_setup_cadls(dev); - } + intel_didl_outputs(dev); + intel_setup_cadls(dev); /* Notify BIOS we are ready to handle ACPI video ext notifs. * Right now, all the events are handled by the ACPI video module. diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index f93dfc174495..823d1d97a000 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -1065,7 +1065,6 @@ int intel_overlay_put_image(struct drm_device *dev, void *data, struct put_image_params *params; int ret; - /* No need to check for DRIVER_MODESET - we don't set it up then. */ overlay = dev_priv->overlay; if (!overlay) { DRM_DEBUG("userspace bug: no overlay\n"); @@ -1261,7 +1260,6 @@ int intel_overlay_attrs(struct drm_device *dev, void *data, struct overlay_registers __iomem *regs; int ret; - /* No need to check for DRIVER_MODESET - we don't set it up then. */ overlay = dev_priv->overlay; if (!overlay) { DRM_DEBUG("userspace bug: no overlay\n"); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index f7c993843be8..542cf6844dc3 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2522,6 +2522,7 @@ skl_allocate_pipe_ddb(struct drm_crtc *crtc, enum pipe pipe = intel_crtc->pipe; struct skl_ddb_entry *alloc = &ddb->pipe[pipe]; uint16_t alloc_size, start, cursor_blocks; + uint16_t minimum[I915_MAX_PLANES]; unsigned int total_data_rate; int plane; @@ -2540,9 +2541,21 @@ skl_allocate_pipe_ddb(struct drm_crtc *crtc, alloc_size -= cursor_blocks; alloc->end -= cursor_blocks; + /* 1. Allocate the mininum required blocks for each active plane */ + for_each_plane(pipe, plane) { + const struct intel_plane_wm_parameters *p; + + p = ¶ms->plane[plane]; + if (!p->enabled) + continue; + + minimum[plane] = 8; + alloc_size -= minimum[plane]; + } + /* - * Each active plane get a portion of the remaining space, in - * proportion to the amount of data they need to fetch from memory. + * 2. Distribute the remaining space in proportion to the amount of + * data each plane needs to fetch from memory. * * FIXME: we may not allocate every single block here. */ @@ -2564,8 +2577,9 @@ skl_allocate_pipe_ddb(struct drm_crtc *crtc, * promote the expression to 64 bits to avoid overflowing, the * result is < available as data_rate / total_data_rate < 1 */ - plane_blocks = div_u64((uint64_t)alloc_size * data_rate, - total_data_rate); + plane_blocks = minimum[plane]; + plane_blocks += div_u64((uint64_t)alloc_size * data_rate, + total_data_rate); ddb->plane[pipe][plane].start = start; ddb->plane[pipe][plane].end = start + plane_blocks; @@ -2595,7 +2609,7 @@ static uint32_t skl_wm_method1(uint32_t pixel_rate, uint8_t bytes_per_pixel, if (latency == 0) return UINT_MAX; - wm_intermediate_val = latency * pixel_rate * bytes_per_pixel; + wm_intermediate_val = latency * pixel_rate * bytes_per_pixel / 512; ret = DIV_ROUND_UP(wm_intermediate_val, 1000); return ret; @@ -2603,17 +2617,29 @@ static uint32_t skl_wm_method1(uint32_t pixel_rate, uint8_t bytes_per_pixel, static uint32_t skl_wm_method2(uint32_t pixel_rate, uint32_t pipe_htotal, uint32_t horiz_pixels, uint8_t bytes_per_pixel, - uint32_t latency) + uint64_t tiling, uint32_t latency) { - uint32_t ret, plane_bytes_per_line, wm_intermediate_val; + uint32_t ret; + uint32_t plane_bytes_per_line, plane_blocks_per_line; + uint32_t wm_intermediate_val; if (latency == 0) return UINT_MAX; plane_bytes_per_line = horiz_pixels * bytes_per_pixel; + + if (tiling == I915_FORMAT_MOD_Y_TILED || + tiling == I915_FORMAT_MOD_Yf_TILED) { + plane_bytes_per_line *= 4; + plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512); + plane_blocks_per_line /= 4; + } else { + plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512); + } + wm_intermediate_val = latency * pixel_rate; ret = DIV_ROUND_UP(wm_intermediate_val, pipe_htotal * 1000) * - plane_bytes_per_line; + plane_blocks_per_line; return ret; } @@ -2662,6 +2688,7 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc, struct intel_crtc *intel_crtc = to_intel_crtc(crtc); enum pipe pipe = intel_crtc->pipe; struct drm_plane *plane; + struct drm_framebuffer *fb; int i = 1; /* Index for sprite planes start */ p->active = intel_crtc_active(crtc); @@ -2677,6 +2704,14 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc, crtc->primary->fb->bits_per_pixel / 8; p->plane[0].horiz_pixels = intel_crtc->config->pipe_src_w; p->plane[0].vert_pixels = intel_crtc->config->pipe_src_h; + p->plane[0].tiling = DRM_FORMAT_MOD_NONE; + fb = crtc->primary->state->fb; + /* + * Framebuffer can be NULL on plane disable, but it does not + * matter for watermarks if we assume no tiling in that case. + */ + if (fb) + p->plane[0].tiling = fb->modifier[0]; p->cursor.enabled = true; p->cursor.bytes_per_pixel = 4; @@ -2693,41 +2728,60 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc, } } -static bool skl_compute_plane_wm(struct skl_pipe_wm_parameters *p, +static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, + struct skl_pipe_wm_parameters *p, struct intel_plane_wm_parameters *p_params, uint16_t ddb_allocation, - uint32_t mem_value, + int level, uint16_t *out_blocks, /* out */ uint8_t *out_lines /* out */) { - uint32_t method1, method2, plane_bytes_per_line, res_blocks, res_lines; - uint32_t result_bytes; + uint32_t latency = dev_priv->wm.skl_latency[level]; + uint32_t method1, method2; + uint32_t plane_bytes_per_line, plane_blocks_per_line; + uint32_t res_blocks, res_lines; + uint32_t selected_result; - if (mem_value == 0 || !p->active || !p_params->enabled) + if (latency == 0 || !p->active || !p_params->enabled) return false; method1 = skl_wm_method1(p->pixel_rate, p_params->bytes_per_pixel, - mem_value); + latency); method2 = skl_wm_method2(p->pixel_rate, p->pipe_htotal, p_params->horiz_pixels, p_params->bytes_per_pixel, - mem_value); + p_params->tiling, + latency); plane_bytes_per_line = p_params->horiz_pixels * p_params->bytes_per_pixel; + plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512); - /* For now xtile and linear */ - if (((ddb_allocation * 512) / plane_bytes_per_line) >= 1) - result_bytes = min(method1, method2); - else - result_bytes = method1; + if (p_params->tiling == I915_FORMAT_MOD_Y_TILED || + p_params->tiling == I915_FORMAT_MOD_Yf_TILED) { + uint32_t y_tile_minimum = plane_blocks_per_line * 4; + selected_result = max(method2, y_tile_minimum); + } else { + if ((ddb_allocation / plane_blocks_per_line) >= 1) + selected_result = min(method1, method2); + else + selected_result = method1; + } - res_blocks = DIV_ROUND_UP(result_bytes, 512) + 1; - res_lines = DIV_ROUND_UP(result_bytes, plane_bytes_per_line); + res_blocks = selected_result + 1; + res_lines = DIV_ROUND_UP(selected_result, plane_blocks_per_line); - if (res_blocks > ddb_allocation || res_lines > 31) + if (level >= 1 && level <= 7) { + if (p_params->tiling == I915_FORMAT_MOD_Y_TILED || + p_params->tiling == I915_FORMAT_MOD_Yf_TILED) + res_lines += 4; + else + res_blocks++; + } + + if (res_blocks >= ddb_allocation || res_lines > 31) return false; *out_blocks = res_blocks; @@ -2744,23 +2798,24 @@ static void skl_compute_wm_level(const struct drm_i915_private *dev_priv, int num_planes, struct skl_wm_level *result) { - uint16_t latency = dev_priv->wm.skl_latency[level]; uint16_t ddb_blocks; int i; for (i = 0; i < num_planes; i++) { ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][i]); - result->plane_en[i] = skl_compute_plane_wm(p, &p->plane[i], + result->plane_en[i] = skl_compute_plane_wm(dev_priv, + p, &p->plane[i], ddb_blocks, - latency, + level, &result->plane_res_b[i], &result->plane_res_l[i]); } ddb_blocks = skl_ddb_entry_size(&ddb->cursor[pipe]); - result->cursor_en = skl_compute_plane_wm(p, &p->cursor, ddb_blocks, - latency, &result->cursor_res_b, + result->cursor_en = skl_compute_plane_wm(dev_priv, p, &p->cursor, + ddb_blocks, level, + &result->cursor_res_b, &result->cursor_res_l); } @@ -3153,12 +3208,20 @@ skl_update_sprite_wm(struct drm_plane *plane, struct drm_crtc *crtc, int pixel_size, bool enabled, bool scaled) { struct intel_plane *intel_plane = to_intel_plane(plane); + struct drm_framebuffer *fb = plane->state->fb; intel_plane->wm.enabled = enabled; intel_plane->wm.scaled = scaled; intel_plane->wm.horiz_pixels = sprite_width; intel_plane->wm.vert_pixels = sprite_height; intel_plane->wm.bytes_per_pixel = pixel_size; + intel_plane->wm.tiling = DRM_FORMAT_MOD_NONE; + /* + * Framebuffer can be NULL on plane disable, but it does not + * matter for watermarks if we assume no tiling in that case. + */ + if (fb) + intel_plane->wm.tiling = fb->modifier[0]; skl_update_wm(crtc); } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index d17e76d32e03..cd79c3843452 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1002,11 +1002,62 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) return 0; } +static int skl_tune_iz_hashing(struct intel_engine_cs *ring) +{ + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u8 vals[3] = { 0, 0, 0 }; + unsigned int i; + + for (i = 0; i < 3; i++) { + u8 ss; + + /* + * Only consider slices where one, and only one, subslice has 7 + * EUs + */ + if (hweight8(dev_priv->info.subslice_7eu[i]) != 1) + continue; + + /* + * subslice_7eu[i] != 0 (because of the check above) and + * ss_max == 4 (maximum number of subslices possible per slice) + * + * -> 0 <= ss <= 3; + */ + ss = ffs(dev_priv->info.subslice_7eu[i]) - 1; + vals[i] = 3 - ss; + } + + if (vals[0] == 0 && vals[1] == 0 && vals[2] == 0) + return 0; + + /* Tune IZ hashing. See intel_device_info_runtime_init() */ + WA_SET_FIELD_MASKED(GEN7_GT_MODE, + GEN9_IZ_HASHING_MASK(2) | + GEN9_IZ_HASHING_MASK(1) | + GEN9_IZ_HASHING_MASK(0), + GEN9_IZ_HASHING(2, vals[2]) | + GEN9_IZ_HASHING(1, vals[1]) | + GEN9_IZ_HASHING(0, vals[0])); + + return 0; +} + + static int skl_init_workarounds(struct intel_engine_cs *ring) { + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + gen9_init_workarounds(ring); - return 0; + /* WaDisablePowerCompilerClockGating:skl */ + if (INTEL_REVID(dev) == SKL_REVID_B0) + WA_SET_BIT_MASKED(HIZ_CHICKEN, + BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE); + + return skl_tune_iz_hashing(ring); } int init_workarounds_ring(struct intel_engine_cs *ring) @@ -1690,7 +1741,7 @@ gen8_ring_put_irq(struct intel_engine_cs *ring) static int i965_dispatch_execbuffer(struct intel_engine_cs *ring, u64 offset, u32 length, - unsigned flags) + unsigned dispatch_flags) { int ret; @@ -1701,7 +1752,8 @@ i965_dispatch_execbuffer(struct intel_engine_cs *ring, intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT | - (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE_I965)); + (dispatch_flags & I915_DISPATCH_SECURE ? + 0 : MI_BATCH_NON_SECURE_I965)); intel_ring_emit(ring, offset); intel_ring_advance(ring); @@ -1714,8 +1766,8 @@ i965_dispatch_execbuffer(struct intel_engine_cs *ring, #define I830_WA_SIZE max(I830_TLB_ENTRIES*4096, I830_BATCH_LIMIT) static int i830_dispatch_execbuffer(struct intel_engine_cs *ring, - u64 offset, u32 len, - unsigned flags) + u64 offset, u32 len, + unsigned dispatch_flags) { u32 cs_offset = ring->scratch.gtt_offset; int ret; @@ -1733,7 +1785,7 @@ i830_dispatch_execbuffer(struct intel_engine_cs *ring, intel_ring_emit(ring, MI_NOOP); intel_ring_advance(ring); - if ((flags & I915_DISPATCH_PINNED) == 0) { + if ((dispatch_flags & I915_DISPATCH_PINNED) == 0) { if (len > I830_BATCH_LIMIT) return -ENOSPC; @@ -1765,7 +1817,8 @@ i830_dispatch_execbuffer(struct intel_engine_cs *ring, return ret; intel_ring_emit(ring, MI_BATCH_BUFFER); - intel_ring_emit(ring, offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE)); + intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ? + 0 : MI_BATCH_NON_SECURE)); intel_ring_emit(ring, offset + len - 8); intel_ring_emit(ring, MI_NOOP); intel_ring_advance(ring); @@ -1776,7 +1829,7 @@ i830_dispatch_execbuffer(struct intel_engine_cs *ring, static int i915_dispatch_execbuffer(struct intel_engine_cs *ring, u64 offset, u32 len, - unsigned flags) + unsigned dispatch_flags) { int ret; @@ -1785,7 +1838,8 @@ i915_dispatch_execbuffer(struct intel_engine_cs *ring, return ret; intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT); - intel_ring_emit(ring, offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE)); + intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ? + 0 : MI_BATCH_NON_SECURE)); intel_ring_advance(ring); return 0; @@ -2176,6 +2230,7 @@ intel_ring_alloc_request(struct intel_engine_cs *ring) kref_init(&request->ref); request->ring = ring; + request->ringbuf = ring->buffer; request->uniq = dev_private->request_uniq++; ret = i915_gem_get_seqno(ring->dev, &request->seqno); @@ -2352,9 +2407,10 @@ static int gen6_bsd_ring_flush(struct intel_engine_cs *ring, static int gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring, u64 offset, u32 len, - unsigned flags) + unsigned dispatch_flags) { - bool ppgtt = USES_PPGTT(ring->dev) && !(flags & I915_DISPATCH_SECURE); + bool ppgtt = USES_PPGTT(ring->dev) && + !(dispatch_flags & I915_DISPATCH_SECURE); int ret; ret = intel_ring_begin(ring, 4); @@ -2373,8 +2429,8 @@ gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring, static int hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring, - u64 offset, u32 len, - unsigned flags) + u64 offset, u32 len, + unsigned dispatch_flags) { int ret; @@ -2384,7 +2440,7 @@ hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring, intel_ring_emit(ring, MI_BATCH_BUFFER_START | - (flags & I915_DISPATCH_SECURE ? + (dispatch_flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_PPGTT_HSW | MI_BATCH_NON_SECURE_HSW)); /* bit0-7 is the length on GEN6+ */ intel_ring_emit(ring, offset); @@ -2396,7 +2452,7 @@ hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring, static int gen6_ring_dispatch_execbuffer(struct intel_engine_cs *ring, u64 offset, u32 len, - unsigned flags) + unsigned dispatch_flags) { int ret; @@ -2406,7 +2462,8 @@ gen6_ring_dispatch_execbuffer(struct intel_engine_cs *ring, intel_ring_emit(ring, MI_BATCH_BUFFER_START | - (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE_I965)); + (dispatch_flags & I915_DISPATCH_SECURE ? + 0 : MI_BATCH_NON_SECURE_I965)); /* bit0-7 is the length on GEN6+ */ intel_ring_emit(ring, offset); intel_ring_advance(ring); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index b6c484fe7a59..8f3b49a23ccf 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -164,7 +164,7 @@ struct intel_engine_cs { u32 seqno); int (*dispatch_execbuffer)(struct intel_engine_cs *ring, u64 offset, u32 length, - unsigned flags); + unsigned dispatch_flags); #define I915_DISPATCH_SECURE 0x1 #define I915_DISPATCH_PINNED 0x2 void (*cleanup)(struct intel_engine_cs *ring); @@ -242,7 +242,7 @@ struct intel_engine_cs { u32 flush_domains); int (*emit_bb_start)(struct intel_ringbuffer *ringbuf, struct intel_context *ctx, - u64 offset, unsigned flags); + u64 offset, unsigned dispatch_flags); /** * List of objects currently involved in rendering from the @@ -373,11 +373,12 @@ intel_write_status_page(struct intel_engine_cs *ring, * 0x06: ring 2 head pointer (915-class) * 0x10-0x1b: Context status DWords (GM45) * 0x1f: Last written status offset. (GM45) + * 0x20-0x2f: Reserved (Gen6+) * - * The area from dword 0x20 to 0x3ff is available for driver usage. + * The area from dword 0x30 to 0x3ff is available for driver usage. */ -#define I915_GEM_HWS_INDEX 0x20 -#define I915_GEM_HWS_SCRATCH_INDEX 0x30 +#define I915_GEM_HWS_INDEX 0x30 +#define I915_GEM_HWS_SCRATCH_INDEX 0x40 #define I915_GEM_HWS_SCRATCH_ADDR (I915_GEM_HWS_SCRATCH_INDEX << MI_STORE_DWORD_INDEX_SHIFT) void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index f2d408dd7c15..7051da7015d3 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -98,7 +98,7 @@ bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count) if (min <= 0 || max <= 0) return false; - if (WARN_ON(drm_vblank_get(dev, pipe))) + if (WARN_ON(drm_crtc_vblank_get(&crtc->base))) return false; local_irq_disable(); @@ -132,7 +132,7 @@ bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count) finish_wait(wq, &wait); - drm_vblank_put(dev, pipe); + drm_crtc_vblank_put(&crtc->base); *start_vbl_count = dev->driver->get_vblank_counter(dev, pipe); @@ -189,7 +189,7 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc, struct intel_plane *intel_plane = to_intel_plane(drm_plane); const int pipe = intel_plane->pipe; const int plane = intel_plane->plane + 1; - u32 plane_ctl, stride; + u32 plane_ctl, stride_div; int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); plane_ctl = I915_READ(PLANE_CTL(pipe, plane)); @@ -247,15 +247,20 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc, switch (fb->modifier[0]) { case DRM_FORMAT_MOD_NONE: - stride = fb->pitches[0] >> 6; break; case I915_FORMAT_MOD_X_TILED: plane_ctl |= PLANE_CTL_TILED_X; - stride = fb->pitches[0] >> 9; + break; + case I915_FORMAT_MOD_Y_TILED: + plane_ctl |= PLANE_CTL_TILED_Y; + break; + case I915_FORMAT_MOD_Yf_TILED: + plane_ctl |= PLANE_CTL_TILED_YF; break; default: - BUG(); + MISSING_CASE(fb->modifier[0]); } + if (drm_plane->state->rotation == BIT(DRM_ROTATE_180)) plane_ctl |= PLANE_CTL_ROTATE_180; @@ -266,6 +271,9 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc, pixel_size, true, src_w != crtc_w || src_h != crtc_h); + stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], + fb->pixel_format); + /* Sizes are 0 based */ src_w--; src_h--; @@ -273,7 +281,7 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc, crtc_h--; I915_WRITE(PLANE_OFFSET(pipe, plane), (y << 16) | x); - I915_WRITE(PLANE_STRIDE(pipe, plane), stride); + I915_WRITE(PLANE_STRIDE(pipe, plane), fb->pitches[0] / stride_div); I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x); I915_WRITE(PLANE_SIZE(pipe, plane), (crtc_h << 16) | crtc_w); I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl); @@ -1248,6 +1256,12 @@ finish: if (!intel_crtc->primary_enabled && !state->hides_primary) intel_crtc->atomic.post_enable_primary = true; + + /* Update watermarks on tiling changes. */ + if (!plane->state->fb || !state->base.fb || + plane->state->fb->modifier[0] != + state->base.fb->modifier[0]) + intel_crtc->atomic.update_wm = true; } return 0; @@ -1301,9 +1315,6 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data, struct intel_plane *intel_plane; int ret = 0; - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -ENODEV; - /* Make sure we don't try to enable both src & dest simultaneously */ if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) return -EINVAL; @@ -1332,9 +1343,6 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data, struct intel_plane *intel_plane; int ret = 0; - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -ENODEV; - drm_modeset_lock_all(dev); plane = drm_plane_find(dev, get->plane_id); diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 876e06360c36..8879f17770aa 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -211,6 +211,13 @@ static void fw_domains_put_with_fifo(struct drm_i915_private *dev_priv, gen6_gt_check_fifodbg(dev_priv); } +static inline u32 fifo_free_entries(struct drm_i915_private *dev_priv) +{ + u32 count = __raw_i915_read32(dev_priv, GTFIFOCTL); + + return count & GT_FIFO_FREE_ENTRIES_MASK; +} + static int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv) { int ret = 0; @@ -218,16 +225,15 @@ static int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv) /* On VLV, FIFO will be shared by both SW and HW. * So, we need to read the FREE_ENTRIES everytime */ if (IS_VALLEYVIEW(dev_priv->dev)) - dev_priv->uncore.fifo_count = - __raw_i915_read32(dev_priv, GTFIFOCTL) & - GT_FIFO_FREE_ENTRIES_MASK; + dev_priv->uncore.fifo_count = fifo_free_entries(dev_priv); if (dev_priv->uncore.fifo_count < GT_FIFO_NUM_RESERVED_ENTRIES) { int loop = 500; - u32 fifo = __raw_i915_read32(dev_priv, GTFIFOCTL) & GT_FIFO_FREE_ENTRIES_MASK; + u32 fifo = fifo_free_entries(dev_priv); + while (fifo <= GT_FIFO_NUM_RESERVED_ENTRIES && loop--) { udelay(10); - fifo = __raw_i915_read32(dev_priv, GTFIFOCTL) & GT_FIFO_FREE_ENTRIES_MASK; + fifo = fifo_free_entries(dev_priv); } if (WARN_ON(loop < 0 && fifo <= GT_FIFO_NUM_RESERVED_ENTRIES)) ++ret; @@ -315,8 +321,7 @@ void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore) if (IS_GEN6(dev) || IS_GEN7(dev)) dev_priv->uncore.fifo_count = - __raw_i915_read32(dev_priv, GTFIFOCTL) & - GT_FIFO_FREE_ENTRIES_MASK; + fifo_free_entries(dev_priv); } if (!restore) diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 52999ba9fbaf..63c0b0131f61 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -931,6 +931,7 @@ extern void drm_crtc_wait_one_vblank(struct drm_crtc *crtc); extern void drm_vblank_off(struct drm_device *dev, int crtc); extern void drm_vblank_on(struct drm_device *dev, int crtc); extern void drm_crtc_vblank_off(struct drm_crtc *crtc); +extern void drm_crtc_vblank_reset(struct drm_crtc *crtc); extern void drm_crtc_vblank_on(struct drm_crtc *crtc); extern void drm_vblank_cleanup(struct drm_device *dev); diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 1a5a357d658f..e6efac23c7ea 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -192,4 +192,19 @@ */ #define I915_FORMAT_MOD_Y_TILED fourcc_mod_code(INTEL, 2) +/* + * Intel Yf-tiling layout + * + * This is a tiled layout using 4Kb tiles in row-major layout. + * Within the tile pixels are laid out in 16 256 byte units / sub-tiles which + * are arranged in four groups (two wide, two high) with column-major layout. + * Each group therefore consits out of four 256 byte units, which are also laid + * out as 2x2 column-major. + * 256 byte units are made out of four 64 byte blocks of pixels, producing + * either a square block or a 2:1 unit. + * 64 byte blocks of pixels contain four pixel rows of 16 bytes, where the width + * in pixel depends on the pixel depth. + */ +#define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3) + #endif /* DRM_FOURCC_H */ |
