diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 89 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 120 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_params.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_atomic.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_atomic_plane.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 1590 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 43 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fbc.c | 39 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 4 |
11 files changed, 1283 insertions, 625 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 4c6b48dbd6e2..0a4bedb96d65 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -592,52 +592,6 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data) return 0; } -static void i915_dump_pageflip(struct seq_file *m, - struct drm_i915_private *dev_priv, - struct intel_crtc *crtc, - struct intel_flip_work *work) -{ - const char pipe = pipe_name(crtc->pipe); - u32 pending; - int i; - - pending = atomic_read(&work->pending); - if (pending) { - seq_printf(m, "Flip ioctl preparing on pipe %c (plane %c)\n", - pipe, plane_name(crtc->plane)); - } else { - seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", - pipe, plane_name(crtc->plane)); - } - - for (i = 0; i < work->num_planes; i++) { - struct intel_plane_state *old_plane_state = work->old_plane_state[i]; - struct drm_plane *plane = old_plane_state->base.plane; - struct drm_i915_gem_request *req = old_plane_state->wait_req; - struct intel_engine_cs *engine; - - seq_printf(m, "[PLANE:%i] part of flip.\n", plane->base.id); - - if (!req) { - seq_printf(m, "Plane not associated with any engine\n"); - continue; - } - - engine = i915_gem_request_get_engine(req); - - seq_printf(m, "Plane blocked on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n", - engine->name, - i915_gem_request_get_seqno(req), - dev_priv->next_seqno, - engine->get_seqno(engine), - i915_gem_request_completed(req, true)); - } - - seq_printf(m, "Flip queued on frame %d, now %d\n", - pending ? work->flip_queued_vblank : -1, - intel_crtc_get_vblank_counter(crtc)); -} - static int i915_gem_pageflip_info(struct seq_file *m, void *data) { struct drm_info_node *node = m->private; @@ -656,13 +610,48 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data) struct intel_flip_work *work; spin_lock_irq(&dev->event_lock); - if (list_empty(&crtc->flip_work)) { + work = crtc->flip_work; + if (work == NULL) { seq_printf(m, "No flip due on pipe %c (plane %c)\n", pipe, plane); } else { - list_for_each_entry(work, &crtc->flip_work, head) { - i915_dump_pageflip(m, dev_priv, crtc, work); - seq_puts(m, "\n"); + u32 pending; + u32 addr; + + pending = atomic_read(&work->pending); + if (pending) { + seq_printf(m, "Flip ioctl preparing on pipe %c (plane %c)\n", + pipe, plane); + } else { + seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", + pipe, plane); + } + if (work->flip_queued_req) { + struct intel_engine_cs *engine = i915_gem_request_get_engine(work->flip_queued_req); + + seq_printf(m, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n", + engine->name, + i915_gem_request_get_seqno(work->flip_queued_req), + dev_priv->next_seqno, + engine->get_seqno(engine), + i915_gem_request_completed(work->flip_queued_req, true)); + } else + seq_printf(m, "Flip not associated with any ring\n"); + seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n", + work->flip_queued_vblank, + work->flip_ready_vblank, + intel_crtc_get_vblank_counter(crtc)); + seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); + + if (INTEL_INFO(dev)->gen >= 4) + addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane))); + else + addr = I915_READ(DSPADDR(crtc->plane)); + seq_printf(m, "Current scanout address 0x%08x\n", addr); + + if (work->pending_flip_obj) { + seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset); + seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset); } } spin_unlock_irq(&dev->event_lock); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 255d4c3e3eea..33a8d4e3ec21 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -618,6 +618,11 @@ struct drm_i915_display_funcs { void (*audio_codec_disable)(struct intel_encoder *encoder); void (*fdi_link_train)(struct drm_crtc *crtc); void (*init_clock_gating)(struct drm_device *dev); + int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags); void (*hpd_irq_setup)(struct drm_i915_private *dev_priv); /* clock updates for mode set */ /* cursor updates */ diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5513c4cb02e0..3242a37fb304 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -136,12 +136,6 @@ static const u32 hpd_bxt[HPD_NUM_PINS] = { POSTING_READ(type##IIR); \ } while (0) -static void -intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, unsigned pipe) -{ - DRM_DEBUG_KMS("Finished page flip\n"); -} - /* * We should clear IMR at preinstall/uninstall, and just check at postinstall. */ @@ -1637,11 +1631,16 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) } } -static void intel_pipe_handle_vblank(struct drm_i915_private *dev_priv, +static bool intel_pipe_handle_vblank(struct drm_i915_private *dev_priv, enum pipe pipe) { - if (drm_handle_vblank(dev_priv->dev, pipe)) + bool ret; + + ret = drm_handle_vblank(dev_priv->dev, pipe); + if (ret) intel_finish_page_flip_mmio(dev_priv, pipe); + + return ret; } static void valleyview_pipestat_irq_ack(struct drm_i915_private *dev_priv, @@ -1708,8 +1707,9 @@ static void valleyview_pipestat_irq_handler(struct drm_i915_private *dev_priv, enum pipe pipe; for_each_pipe(dev_priv, pipe) { - if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS) - intel_pipe_handle_vblank(dev_priv, pipe); + if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS && + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); if (pipe_stats[pipe] & PLANE_FLIP_DONE_INT_STATUS_VLV) intel_finish_page_flip_cs(dev_priv, pipe); @@ -2155,8 +2155,9 @@ static void ilk_display_irq_handler(struct drm_i915_private *dev_priv, DRM_ERROR("Poison interrupt\n"); for_each_pipe(dev_priv, pipe) { - if (de_iir & DE_PIPE_VBLANK(pipe)) - intel_pipe_handle_vblank(dev_priv, pipe); + if (de_iir & DE_PIPE_VBLANK(pipe) && + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); if (de_iir & DE_PIPE_FIFO_UNDERRUN(pipe)) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); @@ -2205,8 +2206,9 @@ static void ivb_display_irq_handler(struct drm_i915_private *dev_priv, intel_opregion_asle_intr(dev_priv); for_each_pipe(dev_priv, pipe) { - if (de_iir & (DE_PIPE_VBLANK_IVB(pipe))) - intel_pipe_handle_vblank(dev_priv, pipe); + if (de_iir & (DE_PIPE_VBLANK_IVB(pipe)) && + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); /* plane/pipes map 1:1 on ilk+ */ if (de_iir & DE_PLANE_FLIP_DONE_IVB(pipe)) @@ -2405,8 +2407,9 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) ret = IRQ_HANDLED; I915_WRITE(GEN8_DE_PIPE_IIR(pipe), iir); - if (iir & GEN8_PIPE_VBLANK) - intel_pipe_handle_vblank(dev_priv, pipe); + if (iir & GEN8_PIPE_VBLANK && + intel_pipe_handle_vblank(dev_priv, pipe)) + intel_check_page_flip(dev_priv, pipe); flip_done = iir; if (INTEL_INFO(dev_priv)->gen >= 9) @@ -3970,6 +3973,37 @@ static int i8xx_irq_postinstall(struct drm_device *dev) return 0; } +/* + * Returns true when a page flip has completed. + */ +static bool i8xx_handle_vblank(struct drm_i915_private *dev_priv, + int plane, int pipe, u32 iir) +{ + u16 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane); + + if (!intel_pipe_handle_vblank(dev_priv, pipe)) + return false; + + if ((iir & flip_pending) == 0) + goto check_page_flip; + + /* We detect FlipDone by looking for the change in PendingFlip from '1' + * to '0' on the following vblank, i.e. IIR has the Pendingflip + * asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence + * the flip is completed (no longer pending). Since this doesn't raise + * an interrupt per se, we watch for the change at vblank. + */ + if (I915_READ16(ISR) & flip_pending) + goto check_page_flip; + + intel_finish_page_flip_cs(dev_priv, pipe); + return true; + +check_page_flip: + intel_check_page_flip(dev_priv, pipe); + return false; +} + static irqreturn_t i8xx_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; @@ -4022,8 +4056,13 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg) notify_ring(&dev_priv->engine[RCS]); for_each_pipe(dev_priv, pipe) { - if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS) - intel_pipe_handle_vblank(dev_priv, pipe); + int plane = pipe; + if (HAS_FBC(dev_priv)) + plane = !plane; + + if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS && + i8xx_handle_vblank(dev_priv, plane, pipe, iir)) + flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane); if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS) i9xx_pipe_crc_irq_handler(dev_priv, pipe); @@ -4123,6 +4162,37 @@ static int i915_irq_postinstall(struct drm_device *dev) return 0; } +/* + * Returns true when a page flip has completed. + */ +static bool i915_handle_vblank(struct drm_i915_private *dev_priv, + int plane, int pipe, u32 iir) +{ + u32 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane); + + if (!intel_pipe_handle_vblank(dev_priv, pipe)) + return false; + + if ((iir & flip_pending) == 0) + goto check_page_flip; + + /* We detect FlipDone by looking for the change in PendingFlip from '1' + * to '0' on the following vblank, i.e. IIR has the Pendingflip + * asserted following the MI_DISPLAY_FLIP, but ISR is deasserted, hence + * the flip is completed (no longer pending). Since this doesn't raise + * an interrupt per se, we watch for the change at vblank. + */ + if (I915_READ(ISR) & flip_pending) + goto check_page_flip; + + intel_finish_page_flip_cs(dev_priv, pipe); + return true; + +check_page_flip: + intel_check_page_flip(dev_priv, pipe); + return false; +} + static irqreturn_t i915_irq_handler(int irq, void *arg) { struct drm_device *dev = arg; @@ -4183,8 +4253,13 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) notify_ring(&dev_priv->engine[RCS]); for_each_pipe(dev_priv, pipe) { - if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS) - intel_pipe_handle_vblank(dev_priv, pipe); + int plane = pipe; + if (HAS_FBC(dev_priv)) + plane = !plane; + + if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS && + i915_handle_vblank(dev_priv, plane, pipe, iir)) + flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane); if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS) blc_event = true; @@ -4412,8 +4487,9 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) notify_ring(&dev_priv->engine[VCS]); for_each_pipe(dev_priv, pipe) { - if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS) - intel_pipe_handle_vblank(dev_priv, pipe); + if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS && + i915_handle_vblank(dev_priv, pipe, pipe, iir)) + flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(pipe); if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS) blc_event = true; diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index cd74fb8e9387..383c076919ed 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -49,6 +49,7 @@ struct i915_params i915 __read_mostly = { .invert_brightness = 0, .disable_display = 0, .enable_cmd_parser = 1, + .use_mmio_flip = 0, .mmio_debug = 0, .verbose_state_checks = 1, .nuclear_pageflip = 0, @@ -173,6 +174,10 @@ module_param_named_unsafe(enable_cmd_parser, i915.enable_cmd_parser, int, 0600); MODULE_PARM_DESC(enable_cmd_parser, "Enable command parsing (1=enabled [default], 0=disabled)"); +module_param_named_unsafe(use_mmio_flip, i915.use_mmio_flip, int, 0600); +MODULE_PARM_DESC(use_mmio_flip, + "use MMIO flips (-1=never, 0=driver discretion [default], 1=always)"); + module_param_named(mmio_debug, i915.mmio_debug, int, 0600); MODULE_PARM_DESC(mmio_debug, "Enable the MMIO debug code for the first N failures (default: off). " diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index dd0d0bbcc05b..65e73dd7d970 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -46,6 +46,7 @@ struct i915_params { int invert_brightness; int enable_cmd_parser; int guc_log_level; + int use_mmio_flip; int mmio_debug; int edp_vswing; unsigned int inject_load_failure; diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index b4927f6bbeac..50ff90aea721 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -311,17 +311,6 @@ intel_atomic_state_alloc(struct drm_device *dev) void intel_atomic_state_clear(struct drm_atomic_state *s) { struct intel_atomic_state *state = to_intel_atomic_state(s); - int i; - - for (i = 0; i < ARRAY_SIZE(state->work); i++) { - struct intel_flip_work *work = state->work[i]; - - if (work) - intel_free_flip_work(work); - - state->work[i] = NULL; - } - drm_atomic_state_default_clear(&state->base); state->dpll_set = state->modeset = false; } diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c index 2ab45f16fa65..7de7721f65bc 100644 --- a/drivers/gpu/drm/i915/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c @@ -102,7 +102,6 @@ intel_plane_destroy_state(struct drm_plane *plane, struct drm_plane_state *state) { WARN_ON(state && to_intel_plane_state(state)->wait_req); - WARN_ON(state && state->fence); drm_atomic_helper_plane_destroy_state(plane, state); } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 60ffbfd53ffa..ae253bb57c25 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -48,6 +48,11 @@ #include <linux/reservation.h> #include <linux/dma-buf.h> +static bool is_mmio_work(struct intel_flip_work *work) +{ + return work->mmio_work.func; +} + /* Primary plane formats for gen <= 3 */ static const uint32_t i8xx_primary_formats[] = { DRM_FORMAT_C8, @@ -108,6 +113,8 @@ static void vlv_prepare_pll(struct intel_crtc *crtc, const struct intel_crtc_state *pipe_config); static void chv_prepare_pll(struct intel_crtc *crtc, const struct intel_crtc_state *pipe_config); +static void intel_begin_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); +static void intel_finish_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state); static void skylake_pfit_enable(struct intel_crtc *crtc); @@ -116,9 +123,6 @@ static void ironlake_pfit_enable(struct intel_crtc *crtc); static void intel_modeset_setup_hw_state(struct drm_device *dev); static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc); static int ilk_max_pixel_rate(struct drm_atomic_state *state); -static void intel_modeset_verify_crtc(struct drm_crtc *crtc, - struct drm_crtc_state *old_state, - struct drm_crtc_state *new_state); struct intel_limit { struct { @@ -2523,6 +2527,20 @@ out_unref_obj: return false; } +/* Update plane->state->fb to match plane->fb after driver-internal updates */ +static void +update_state_fb(struct drm_plane *plane) +{ + if (plane->fb == plane->state->fb) + return; + + if (plane->state->fb) + drm_framebuffer_unreference(plane->state->fb); + plane->state->fb = plane->fb; + if (plane->state->fb) + drm_framebuffer_reference(plane->state->fb); +} + static void intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, struct intel_initial_plane_config *plane_config) @@ -3095,6 +3113,14 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, return -ENODEV; } +static void intel_complete_page_flips(struct drm_i915_private *dev_priv) +{ + struct intel_crtc *crtc; + + for_each_intel_crtc(dev_priv->dev, crtc) + intel_finish_page_flip_cs(dev_priv, crtc->pipe); +} + static void intel_update_primary_planes(struct drm_device *dev) { struct drm_crtc *crtc; @@ -3135,6 +3161,13 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv) void intel_finish_reset(struct drm_i915_private *dev_priv) { + /* + * Flips in the rings will be nuked by the reset, + * so complete all pending flips so that user space + * will get its events and not get stuck. + */ + intel_complete_page_flips(dev_priv); + /* no reset support for gen2 */ if (IS_GEN2(dev_priv)) return; @@ -3177,7 +3210,20 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) { - return !list_empty_careful(&to_intel_crtc(crtc)->flip_work); + struct drm_device *dev = crtc->dev; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + unsigned reset_counter; + bool pending; + + reset_counter = i915_reset_counter(&to_i915(dev)->gpu_error); + if (intel_crtc->reset_counter != reset_counter) + return false; + + spin_lock_irq(&dev->event_lock); + pending = to_intel_crtc(crtc)->flip_work != NULL; + spin_unlock_irq(&dev->event_lock); + + return pending; } static void intel_update_pipe_config(struct intel_crtc *crtc, @@ -3753,7 +3799,7 @@ bool intel_has_pending_fb_unpin(struct drm_device *dev) if (atomic_read(&crtc->unpin_work_count) == 0) continue; - if (!list_empty_careful(&crtc->flip_work)) + if (crtc->flip_work) intel_wait_for_vblank(dev, crtc->pipe); return true; @@ -3762,30 +3808,23 @@ bool intel_has_pending_fb_unpin(struct drm_device *dev) return false; } -static void page_flip_completed(struct intel_crtc *intel_crtc, struct intel_flip_work *work) +static void page_flip_completed(struct intel_crtc *intel_crtc) { struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); - struct drm_plane_state *new_plane_state; - struct drm_plane *primary = intel_crtc->base.primary; + struct intel_flip_work *work = intel_crtc->flip_work; + + intel_crtc->flip_work = NULL; if (work->event) drm_crtc_send_vblank_event(&intel_crtc->base, work->event); drm_crtc_vblank_put(&intel_crtc->base); - new_plane_state = &work->old_plane_state[0]->base; - if (work->num_planes >= 1 && - new_plane_state->plane == primary && - new_plane_state->fb) - trace_i915_flip_complete(intel_crtc->plane, - intel_fb_obj(new_plane_state->fb)); - - if (work->can_async_unpin) { - list_del_init(&work->head); - wake_up_all(&dev_priv->pending_flip_queue); - } - + wake_up_all(&dev_priv->pending_flip_queue); queue_work(dev_priv->wq, &work->unpin_work); + + trace_i915_flip_complete(intel_crtc->plane, + work->pending_flip_obj); } static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) @@ -3804,7 +3843,18 @@ static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) if (ret < 0) return ret; - WARN(ret == 0, "Stuck page flip\n"); + if (ret == 0) { + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_flip_work *work; + + spin_lock_irq(&dev->event_lock); + work = intel_crtc->flip_work; + if (work && !is_mmio_work(work)) { + WARN_ONCE(1, "Removing stuck page flip\n"); + page_flip_completed(intel_crtc); + } + spin_unlock_irq(&dev->event_lock); + } return 0; } @@ -4535,6 +4585,39 @@ intel_pre_disable_primary_noatomic(struct drm_crtc *crtc) } } +static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); + struct drm_atomic_state *old_state = old_crtc_state->base.state; + struct intel_crtc_state *pipe_config = + to_intel_crtc_state(crtc->base.state); + struct drm_device *dev = crtc->base.dev; + struct drm_plane *primary = crtc->base.primary; + struct drm_plane_state *old_pri_state = + drm_atomic_get_existing_plane_state(old_state, primary); + + intel_frontbuffer_flip(dev, pipe_config->fb_bits); + + crtc->wm.cxsr_allowed = true; + + if (pipe_config->update_wm_post && pipe_config->base.active) + intel_update_watermarks(&crtc->base); + + if (old_pri_state) { + struct intel_plane_state *primary_state = + to_intel_plane_state(primary->state); + struct intel_plane_state *old_primary_state = + to_intel_plane_state(old_pri_state); + + intel_fbc_post_update(crtc); + + if (primary_state->visible && + (needs_modeset(&pipe_config->base) || + !old_primary_state->visible)) + intel_post_enable_primary(&crtc->base); + } +} + static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state) { struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); @@ -4554,7 +4637,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state) struct intel_plane_state *old_primary_state = to_intel_plane_state(old_pri_state); - intel_fbc_pre_update(crtc, pipe_config, primary_state); + intel_fbc_pre_update(crtc); if (old_primary_state->visible && (modeset || !primary_state->visible)) @@ -5144,21 +5227,18 @@ modeset_get_crtc_power_domains(struct drm_crtc *crtc, struct drm_i915_private *dev_priv = crtc->dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); enum intel_display_power_domain domain; - unsigned long domains, new_domains, old_domains, ms_domain = 0; + unsigned long domains, new_domains, old_domains; old_domains = intel_crtc->enabled_power_domains; intel_crtc->enabled_power_domains = new_domains = get_crtc_power_domains(crtc, crtc_state); - if (needs_modeset(&crtc_state->base)) - ms_domain = BIT(POWER_DOMAIN_MODESET); - - domains = (new_domains & ~old_domains) | ms_domain; + domains = new_domains & ~old_domains; for_each_power_domain(domain, domains) intel_display_power_get(dev_priv, domain); - return (old_domains & ~new_domains) | ms_domain; + return old_domains & ~new_domains; } static void modeset_put_power_domains(struct drm_i915_private *dev_priv, @@ -6152,7 +6232,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) return; if (to_intel_plane_state(crtc->primary->state)->visible) { - WARN_ON(list_empty(&intel_crtc->flip_work)); + WARN_ON(intel_crtc->flip_work); intel_pre_disable_primary_noatomic(crtc); @@ -6204,12 +6284,6 @@ int intel_display_suspend(struct drm_device *dev) DRM_ERROR("Suspending crtc's failed with %i\n", ret); else dev_priv->modeset_restore_state = state; - - /* - * Make sure all unpin_work completes before returning. - */ - flush_workqueue(dev_priv->wq); - return ret; } @@ -6223,10 +6297,9 @@ void intel_encoder_destroy(struct drm_encoder *encoder) /* Cross check the actual hw state with our own modeset state tracking (and it's * internal consistency). */ -static void intel_connector_verify_state(struct intel_connector *connector, - struct drm_connector_state *conn_state) +static void intel_connector_verify_state(struct intel_connector *connector) { - struct drm_crtc *crtc = conn_state->crtc; + struct drm_crtc *crtc = connector->base.state->crtc; DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.base.id, @@ -6234,6 +6307,7 @@ static void intel_connector_verify_state(struct intel_connector *connector, if (connector->get_hw_state(connector)) { struct intel_encoder *encoder = connector->encoder; + struct drm_connector_state *conn_state = connector->base.state; I915_STATE_WARN(!crtc, "connector enabled without attached crtc\n"); @@ -6255,7 +6329,7 @@ static void intel_connector_verify_state(struct intel_connector *connector, } else { I915_STATE_WARN(crtc && crtc->state->active, "attached crtc is active, but connector isn't\n"); - I915_STATE_WARN(!crtc && conn_state->best_encoder, + I915_STATE_WARN(!crtc && connector->base.state->best_encoder, "best encoder set without crtc!\n"); } } @@ -10750,13 +10824,6 @@ void intel_mark_idle(struct drm_i915_private *dev_priv) intel_runtime_pm_put(dev_priv); } -void intel_free_flip_work(struct intel_flip_work *work) -{ - kfree(work->old_connector_state); - kfree(work->new_connector_state); - kfree(work); -} - static void intel_crtc_destroy(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -10764,278 +10831,885 @@ static void intel_crtc_destroy(struct drm_crtc *crtc) struct intel_flip_work *work; spin_lock_irq(&dev->event_lock); - while (!list_empty(&intel_crtc->flip_work)) { - work = list_first_entry(&intel_crtc->flip_work, - struct intel_flip_work, head); - list_del_init(&work->head); - spin_unlock_irq(&dev->event_lock); + work = intel_crtc->flip_work; + intel_crtc->flip_work = NULL; + spin_unlock_irq(&dev->event_lock); + if (work) { cancel_work_sync(&work->mmio_work); cancel_work_sync(&work->unpin_work); - intel_free_flip_work(work); - - spin_lock_irq(&dev->event_lock); + kfree(work); } - spin_unlock_irq(&dev->event_lock); drm_crtc_cleanup(crtc); kfree(intel_crtc); } -static void intel_crtc_post_flip_update(struct intel_flip_work *work, - struct drm_crtc *crtc) +static void intel_unpin_work_fn(struct work_struct *__work) +{ + struct intel_flip_work *work = + container_of(__work, struct intel_flip_work, unpin_work); + struct intel_crtc *crtc = to_intel_crtc(work->crtc); + struct drm_device *dev = crtc->base.dev; + struct drm_plane *primary = crtc->base.primary; + + if (is_mmio_work(work)) + flush_work(&work->mmio_work); + + mutex_lock(&dev->struct_mutex); + intel_unpin_fb_obj(work->old_fb, primary->state->rotation); + drm_gem_object_unreference(&work->pending_flip_obj->base); + + if (work->flip_queued_req) + i915_gem_request_assign(&work->flip_queued_req, NULL); + mutex_unlock(&dev->struct_mutex); + + intel_frontbuffer_flip_complete(dev, to_intel_plane(primary)->frontbuffer_bit); + intel_fbc_post_update(crtc); + drm_framebuffer_unreference(work->old_fb); + + BUG_ON(atomic_read(&crtc->unpin_work_count) == 0); + atomic_dec(&crtc->unpin_work_count); + + kfree(work); +} + +/* Is 'a' after or equal to 'b'? */ +static bool g4x_flip_count_after_eq(u32 a, u32 b) +{ + return !((a - b) & 0x80000000); +} + +static bool __pageflip_finished_cs(struct intel_crtc *crtc, + struct intel_flip_work *work) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned reset_counter; + + reset_counter = i915_reset_counter(&dev_priv->gpu_error); + if (crtc->reset_counter != reset_counter) + return true; + + /* + * The relevant registers doen't exist on pre-ctg. + * As the flip done interrupt doesn't trigger for mmio + * flips on gmch platforms, a flip count check isn't + * really needed there. But since ctg has the registers, + * include it in the check anyway. + */ + if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) + return true; + + /* + * BDW signals flip done immediately if the plane + * is disabled, even if the plane enable is already + * armed to occur at the next vblank :( + */ + + /* + * A DSPSURFLIVE check isn't enough in case the mmio and CS flips + * used the same base address. In that case the mmio flip might + * have completed, but the CS hasn't even executed the flip yet. + * + * A flip count check isn't enough as the CS might have updated + * the base address just after start of vblank, but before we + * managed to process the interrupt. This means we'd complete the + * CS flip too soon. + * + * Combining both checks should get us a good enough result. It may + * still happen that the CS flip has been executed, but has not + * yet actually completed. But in case the base address is the same + * anyway, we don't really care. + */ + return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == + crtc->flip_work->gtt_offset && + g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)), + crtc->flip_work->flip_count); +} + +static bool +__pageflip_finished_mmio(struct intel_crtc *crtc, + struct intel_flip_work *work) +{ + /* + * MMIO work completes when vblank is different from + * flip_queued_vblank. + * + * Reset counter value doesn't matter, this is handled by + * i915_wait_request finishing early, so no need to handle + * reset here. + */ + return intel_crtc_get_vblank_counter(crtc) != work->flip_queued_vblank; +} + + +static bool pageflip_finished(struct intel_crtc *crtc, + struct intel_flip_work *work) { - struct intel_crtc_state *crtc_state = work->new_crtc_state; + if (!atomic_read(&work->pending)) + return false; + + smp_rmb(); + + if (is_mmio_work(work)) + return __pageflip_finished_mmio(crtc, work); + else + return __pageflip_finished_cs(crtc, work); +} + +void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe) +{ + struct drm_device *dev = dev_priv->dev; + struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_flip_work *work; + unsigned long flags; - if (crtc_state->disable_cxsr) - intel_crtc->wm.cxsr_allowed = true; + /* Ignore early vblank irqs */ + if (!crtc) + return; - if (crtc_state->update_wm_post && crtc_state->base.active) - intel_update_watermarks(crtc); + /* + * This is called both by irq handlers and the reset code (to complete + * lost pageflips) so needs the full irqsave spinlocks. + */ + spin_lock_irqsave(&dev->event_lock, flags); + work = intel_crtc->flip_work; - if (work->num_planes > 0 && - work->old_plane_state[0]->base.plane == crtc->primary) { - struct intel_plane_state *plane_state = - work->new_plane_state[0]; + if (work != NULL && + !is_mmio_work(work) && + pageflip_finished(intel_crtc, work)) + page_flip_completed(intel_crtc); - if (plane_state->visible && - (needs_modeset(&crtc_state->base) || - !work->old_plane_state[0]->visible)) - intel_post_enable_primary(crtc); - } + spin_unlock_irqrestore(&dev->event_lock, flags); } -static void intel_unpin_work_fn(struct work_struct *__work) +void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe) { - struct intel_flip_work *work = - container_of(__work, struct intel_flip_work, unpin_work); - struct drm_crtc *crtc = work->old_crtc_state->base.crtc; + struct drm_device *dev = dev_priv->dev; + struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - int i; + struct intel_flip_work *work; + unsigned long flags; - if (work->fb_bits) - intel_frontbuffer_flip_complete(dev, work->fb_bits); + /* Ignore early vblank irqs */ + if (!crtc) + return; /* - * Unless work->can_async_unpin is false, there's no way to ensure - * that work->new_crtc_state contains valid memory during unpin - * because intel_atomic_commit may free it before this runs. + * This is called both by irq handlers and the reset code (to complete + * lost pageflips) so needs the full irqsave spinlocks. */ - if (!work->can_async_unpin) { - intel_crtc_post_flip_update(work, crtc); + spin_lock_irqsave(&dev->event_lock, flags); + work = intel_crtc->flip_work; - if (dev_priv->display.optimize_watermarks) - dev_priv->display.optimize_watermarks(work->new_crtc_state); - } + if (work != NULL && + is_mmio_work(work) && + pageflip_finished(intel_crtc, work)) + page_flip_completed(intel_crtc); - if (work->fb_bits & to_intel_plane(crtc->primary)->frontbuffer_bit) - intel_fbc_post_update(intel_crtc); + spin_unlock_irqrestore(&dev->event_lock, flags); +} - if (work->put_power_domains) - modeset_put_power_domains(dev_priv, work->put_power_domains); +static inline void intel_mark_page_flip_active(struct intel_crtc *crtc, + struct intel_flip_work *work) +{ + work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc); - /* Make sure mmio work is completely finished before freeing all state here. */ - flush_work(&work->mmio_work); + /* Ensure that the work item is consistent when activating it ... */ + smp_mb__before_atomic(); + atomic_set(&work->pending, 1); +} - if (!work->can_async_unpin && - (work->new_crtc_state->update_pipe || - needs_modeset(&work->new_crtc_state->base))) { - /* This must be called before work is unpinned for serialization. */ - intel_modeset_verify_crtc(crtc, &work->old_crtc_state->base, - &work->new_crtc_state->base); +static int intel_gen2_queue_flip(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags) +{ + struct intel_engine_cs *engine = req->engine; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + u32 flip_mask; + int ret; - for (i = 0; i < work->num_new_connectors; i++) { - struct drm_connector_state *conn_state = - work->new_connector_state[i]; - struct drm_connector *con = conn_state->connector; + ret = intel_ring_begin(req, 6); + if (ret) + return ret; - WARN_ON(!con); + /* Can't queue multiple flips, so wait for the previous + * one to finish before executing the next. + */ + if (intel_crtc->plane) + flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; + else + flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; + intel_ring_emit(engine, MI_WAIT_FOR_EVENT | flip_mask); + intel_ring_emit(engine, MI_NOOP); + intel_ring_emit(engine, MI_DISPLAY_FLIP | + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); + intel_ring_emit(engine, fb->pitches[0]); + intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset); + intel_ring_emit(engine, 0); /* aux display base address, unused */ - intel_connector_verify_state(to_intel_connector(con), - conn_state); - } - } + return 0; +} + +static int intel_gen3_queue_flip(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags) +{ + struct intel_engine_cs *engine = req->engine; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + u32 flip_mask; + int ret; + + ret = intel_ring_begin(req, 6); + if (ret) + return ret; - for (i = 0; i < work->num_old_connectors; i++) { - struct drm_connector_state *old_con_state = - work->old_connector_state[i]; - struct drm_connector *con = - old_con_state->connector; + if (intel_crtc->plane) + flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; + else + flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; + intel_ring_emit(engine, MI_WAIT_FOR_EVENT | flip_mask); + intel_ring_emit(engine, MI_NOOP); + intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 | + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); + intel_ring_emit(engine, fb->pitches[0]); + intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset); + intel_ring_emit(engine, MI_NOOP); + + return 0; +} + +static int intel_gen4_queue_flip(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags) +{ + struct intel_engine_cs *engine = req->engine; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + uint32_t pf, pipesrc; + int ret; + + ret = intel_ring_begin(req, 4); + if (ret) + return ret; + + /* i965+ uses the linear or tiled offsets from the + * Display Registers (which do not change across a page-flip) + * so we need only reprogram the base address. + */ + intel_ring_emit(engine, MI_DISPLAY_FLIP | + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); + intel_ring_emit(engine, fb->pitches[0]); + intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset | + obj->tiling_mode); + + /* XXX Enabling the panel-fitter across page-flip is so far + * untested on non-native modes, so ignore it for now. + * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; + */ + pf = 0; + pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; + intel_ring_emit(engine, pf | pipesrc); + + return 0; +} + +static int intel_gen6_queue_flip(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags) +{ + struct intel_engine_cs *engine = req->engine; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + uint32_t pf, pipesrc; + int ret; + + ret = intel_ring_begin(req, 4); + if (ret) + return ret; + + intel_ring_emit(engine, MI_DISPLAY_FLIP | + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); + intel_ring_emit(engine, fb->pitches[0] | obj->tiling_mode); + intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset); + + /* Contrary to the suggestions in the documentation, + * "Enable Panel Fitter" does not seem to be required when page + * flipping with a non-native mode, and worse causes a normal + * modeset to fail. + * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; + */ + pf = 0; + pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; + intel_ring_emit(engine, pf | pipesrc); + + return 0; +} + +static int intel_gen7_queue_flip(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags) +{ + struct intel_engine_cs *engine = req->engine; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + uint32_t plane_bit = 0; + int len, ret; + + switch (intel_crtc->plane) { + case PLANE_A: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; + break; + case PLANE_B: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; + break; + case PLANE_C: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; + break; + default: + WARN_ONCE(1, "unknown plane in flip command\n"); + return -ENODEV; + } - con->funcs->atomic_destroy_state(con, old_con_state); + len = 4; + if (engine->id == RCS) { + len += 6; + /* + * On Gen 8, SRM is now taking an extra dword to accommodate + * 48bits addresses, and we need a NOOP for the batch size to + * stay even. + */ + if (IS_GEN8(dev)) + len += 2; } - if (!work->can_async_unpin || !list_empty(&work->head)) { - spin_lock_irq(&dev->event_lock); - WARN(list_empty(&work->head) != work->can_async_unpin, - "[CRTC:%i] Pin work %p async %i with %i planes, active %i -> %i ms %i\n", - crtc->base.id, work, work->can_async_unpin, work->num_planes, - work->old_crtc_state->base.active, work->new_crtc_state->base.active, - needs_modeset(&work->new_crtc_state->base)); + /* + * BSpec MI_DISPLAY_FLIP for IVB: + * "The full packet must be contained within the same cache line." + * + * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same + * cacheline, if we ever start emitting more commands before + * the MI_DISPLAY_FLIP we may need to first emit everything else, + * then do the cacheline alignment, and finally emit the + * MI_DISPLAY_FLIP. + */ + ret = intel_ring_cacheline_align(req); + if (ret) + return ret; - if (!list_empty(&work->head)) - list_del(&work->head); + ret = intel_ring_begin(req, len); + if (ret) + return ret; - wake_up_all(&dev_priv->pending_flip_queue); - spin_unlock_irq(&dev->event_lock); + /* Unmask the flip-done completion message. Note that the bspec says that + * we should do this for both the BCS and RCS, and that we must not unmask + * more than one flip event at any time (or ensure that one flip message + * can be sent by waiting for flip-done prior to queueing new flips). + * Experimentation says that BCS works despite DERRMR masking all + * flip-done completion events and that unmasking all planes at once + * for the RCS also doesn't appear to drop events. Setting the DERRMR + * to zero does lead to lockups within MI_DISPLAY_FLIP. + */ + if (engine->id == RCS) { + intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1)); + intel_ring_emit_reg(engine, DERRMR); + intel_ring_emit(engine, ~(DERRMR_PIPEA_PRI_FLIP_DONE | + DERRMR_PIPEB_PRI_FLIP_DONE | + DERRMR_PIPEC_PRI_FLIP_DONE)); + if (IS_GEN8(dev)) + intel_ring_emit(engine, MI_STORE_REGISTER_MEM_GEN8 | + MI_SRM_LRM_GLOBAL_GTT); + else + intel_ring_emit(engine, MI_STORE_REGISTER_MEM | + MI_SRM_LRM_GLOBAL_GTT); + intel_ring_emit_reg(engine, DERRMR); + intel_ring_emit(engine, engine->scratch.gtt_offset + 256); + if (IS_GEN8(dev)) { + intel_ring_emit(engine, 0); + intel_ring_emit(engine, MI_NOOP); + } } - /* New crtc_state freed? */ - if (work->free_new_crtc_state) - intel_crtc_destroy_state(crtc, &work->new_crtc_state->base); + intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 | plane_bit); + intel_ring_emit(engine, (fb->pitches[0] | obj->tiling_mode)); + intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset); + intel_ring_emit(engine, (MI_NOOP)); - intel_crtc_destroy_state(crtc, &work->old_crtc_state->base); + return 0; +} - for (i = 0; i < work->num_planes; i++) { - struct intel_plane_state *old_plane_state = - work->old_plane_state[i]; - struct drm_framebuffer *old_fb = old_plane_state->base.fb; - struct drm_plane *plane = old_plane_state->base.plane; - struct drm_i915_gem_request *req; +static bool use_mmio_flip(struct intel_engine_cs *engine, + struct drm_i915_gem_object *obj) +{ + /* + * This is not being used for older platforms, because + * non-availability of flip done interrupt forces us to use + * CS flips. Older platforms derive flip done using some clever + * tricks involving the flip_pending status bits and vblank irqs. + * So using MMIO flips there would disrupt this mechanism. + */ - req = old_plane_state->wait_req; - old_plane_state->wait_req = NULL; - if (req) - i915_gem_request_unreference(req); + if (engine == NULL) + return true; - fence_put(old_plane_state->base.fence); - old_plane_state->base.fence = NULL; + if (INTEL_GEN(engine->i915) < 5) + return false; - if (old_fb && - (plane->type != DRM_PLANE_TYPE_CURSOR || - !INTEL_INFO(dev_priv)->cursor_needs_physical)) { - mutex_lock(&dev->struct_mutex); - intel_unpin_fb_obj(old_fb, old_plane_state->base.rotation); - mutex_unlock(&dev->struct_mutex); - } + if (i915.use_mmio_flip < 0) + return false; + else if (i915.use_mmio_flip > 0) + return true; + else if (i915.enable_execlists) + return true; + else if (obj->base.dma_buf && + !reservation_object_test_signaled_rcu(obj->base.dma_buf->resv, + false)) + return true; + else + return engine != i915_gem_request_get_engine(obj->last_write_req); +} + +static void skl_do_mmio_flip(struct intel_crtc *intel_crtc, + unsigned int rotation, + struct intel_flip_work *work) +{ + struct drm_device *dev = intel_crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_framebuffer *fb = intel_crtc->base.primary->fb; + const enum pipe pipe = intel_crtc->pipe; + u32 ctl, stride, tile_height; + + ctl = I915_READ(PLANE_CTL(pipe, 0)); + ctl &= ~PLANE_CTL_TILED_MASK; + switch (fb->modifier[0]) { + case DRM_FORMAT_MOD_NONE: + break; + case I915_FORMAT_MOD_X_TILED: + ctl |= PLANE_CTL_TILED_X; + break; + case I915_FORMAT_MOD_Y_TILED: + ctl |= PLANE_CTL_TILED_Y; + break; + case I915_FORMAT_MOD_Yf_TILED: + ctl |= PLANE_CTL_TILED_YF; + break; + default: + MISSING_CASE(fb->modifier[0]); + } - intel_plane_destroy_state(plane, &old_plane_state->base); + /* + * The stride is either expressed as a multiple of 64 bytes chunks for + * linear buffers or in number of tiles for tiled buffers. + */ + if (intel_rotation_90_or_270(rotation)) { + /* stride = Surface height in tiles */ + tile_height = intel_tile_height(dev_priv, fb->modifier[0], 0); + stride = DIV_ROUND_UP(fb->height, tile_height); + } else { + stride = fb->pitches[0] / + intel_fb_stride_alignment(dev_priv, fb->modifier[0], + fb->pixel_format); } - if (!WARN_ON(atomic_read(&intel_crtc->unpin_work_count) == 0)) - atomic_dec(&intel_crtc->unpin_work_count); + /* + * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on + * PLANE_SURF updates, the update is then guaranteed to be atomic. + */ + I915_WRITE(PLANE_CTL(pipe, 0), ctl); + I915_WRITE(PLANE_STRIDE(pipe, 0), stride); - intel_free_flip_work(work); + I915_WRITE(PLANE_SURF(pipe, 0), work->gtt_offset); + POSTING_READ(PLANE_SURF(pipe, 0)); } +static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc, + struct intel_flip_work *work) +{ + struct drm_device *dev = intel_crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_framebuffer *intel_fb = + to_intel_framebuffer(intel_crtc->base.primary->fb); + struct drm_i915_gem_object *obj = intel_fb->obj; + i915_reg_t reg = DSPCNTR(intel_crtc->plane); + u32 dspcntr; -static bool pageflip_finished(struct intel_crtc *crtc, - struct intel_flip_work *work) + dspcntr = I915_READ(reg); + + if (obj->tiling_mode != I915_TILING_NONE) + dspcntr |= DISPPLANE_TILED; + else + dspcntr &= ~DISPPLANE_TILED; + + I915_WRITE(reg, dspcntr); + + I915_WRITE(DSPSURF(intel_crtc->plane), work->gtt_offset); + POSTING_READ(DSPSURF(intel_crtc->plane)); +} + +static void intel_mmio_flip_work_func(struct work_struct *w) +{ + struct intel_flip_work *work = + container_of(w, struct intel_flip_work, mmio_work); + struct intel_crtc *crtc = to_intel_crtc(work->crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_framebuffer *intel_fb = + to_intel_framebuffer(crtc->base.primary->fb); + struct drm_i915_gem_object *obj = intel_fb->obj; + + if (work->flip_queued_req) + WARN_ON(__i915_wait_request(work->flip_queued_req, + false, NULL, + &dev_priv->rps.mmioflips)); + + /* For framebuffer backed by dmabuf, wait for fence */ + if (obj->base.dma_buf) + WARN_ON(reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv, + false, false, + MAX_SCHEDULE_TIMEOUT) < 0); + + intel_pipe_update_start(crtc); + + if (INTEL_GEN(dev_priv) >= 9) + skl_do_mmio_flip(crtc, work->rotation, work); + else + /* use_mmio_flip() retricts MMIO flips to ilk+ */ + ilk_do_mmio_flip(crtc, work); + + intel_pipe_update_end(crtc, work); +} + +static int intel_default_queue_flip(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj, + struct drm_i915_gem_request *req, + uint32_t flags) { + return -ENODEV; +} + +static bool __pageflip_stall_check_cs(struct drm_i915_private *dev_priv, + struct intel_crtc *intel_crtc, + struct intel_flip_work *work) +{ + u32 addr, vblank; + if (!atomic_read(&work->pending)) return false; smp_rmb(); - /* - * MMIO work completes when vblank is different from - * flip_queued_vblank. + vblank = intel_crtc_get_vblank_counter(intel_crtc); + if (work->flip_ready_vblank == 0) { + if (work->flip_queued_req && + !i915_gem_request_completed(work->flip_queued_req, true)) + return false; + + work->flip_ready_vblank = vblank; + } + + if (vblank - work->flip_ready_vblank < 3) + return false; + + /* Potential stall - if we see that the flip has happened, + * assume a missed interrupt. */ + if (INTEL_GEN(dev_priv) >= 4) + addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); + else + addr = I915_READ(DSPADDR(intel_crtc->plane)); + + /* There is a potential issue here with a false positive after a flip + * to the same address. We could address this by checking for a + * non-incrementing frame counter. */ - return intel_crtc_get_vblank_counter(crtc) != work->flip_queued_vblank; + return addr == work->gtt_offset; } -void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe) +void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe) { struct drm_device *dev = dev_priv->dev; struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_flip_work *work; - unsigned long flags; - /* Ignore early vblank irqs */ - if (!crtc) - return; + WARN_ON(!in_interrupt()); - /* - * This is called both by irq handlers and the reset code (to complete - * lost pageflips) so needs the full irqsave spinlocks. - */ - spin_lock_irqsave(&dev->event_lock, flags); - while (!list_empty(&intel_crtc->flip_work)) { - work = list_first_entry(&intel_crtc->flip_work, - struct intel_flip_work, - head); + if (crtc == NULL) + return; - if (!pageflip_finished(intel_crtc, work) || - work_busy(&work->unpin_work)) - break; + spin_lock(&dev->event_lock); + work = intel_crtc->flip_work; - page_flip_completed(intel_crtc, work); + if (work != NULL && !is_mmio_work(work) && + __pageflip_stall_check_cs(dev_priv, intel_crtc, work)) { + WARN_ONCE(1, + "Kicking stuck page flip: queued at %d, now %d\n", + work->flip_queued_vblank, intel_crtc_get_vblank_counter(intel_crtc)); + page_flip_completed(intel_crtc); + work = NULL; } - spin_unlock_irqrestore(&dev->event_lock, flags); + + if (work != NULL && !is_mmio_work(work) && + intel_crtc_get_vblank_counter(intel_crtc) - work->flip_queued_vblank > 1) + intel_queue_rps_boost_for_request(work->flip_queued_req); + spin_unlock(&dev->event_lock); } -static void intel_mmio_flip_work_func(struct work_struct *w) +static int intel_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) { - struct intel_flip_work *work = - container_of(w, struct intel_flip_work, mmio_work); - struct drm_crtc *crtc = work->old_crtc_state->base.crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_crtc_state *crtc_state = work->new_crtc_state; struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_gem_request *req; - int i, ret; + struct drm_framebuffer *old_fb = crtc->primary->fb; + struct drm_i915_gem_object *obj = intel_fb_obj(fb); + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct drm_plane *primary = crtc->primary; + enum pipe pipe = intel_crtc->pipe; + struct intel_flip_work *work; + struct intel_engine_cs *engine; + bool mmio_flip; + struct drm_i915_gem_request *request = NULL; + int ret; + + /* + * drm_mode_page_flip_ioctl() should already catch this, but double + * check to be safe. In the future we may enable pageflipping from + * a disabled primary plane. + */ + if (WARN_ON(intel_fb_obj(old_fb) == NULL)) + return -EBUSY; - if (!needs_modeset(&crtc_state->base) && crtc_state->update_pipe) { - work->put_power_domains = - modeset_get_crtc_power_domains(crtc, crtc_state); + /* Can't change pixel format via MI display flips. */ + if (fb->pixel_format != crtc->primary->fb->pixel_format) + return -EINVAL; + + /* + * TILEOFF/LINOFF registers can't be changed via MI display flips. + * Note that pitch changes could also affect these register. + */ + if (INTEL_INFO(dev)->gen > 3 && + (fb->offsets[0] != crtc->primary->fb->offsets[0] || + fb->pitches[0] != crtc->primary->fb->pitches[0])) + return -EINVAL; + + if (i915_terminally_wedged(&dev_priv->gpu_error)) + goto out_hang; + + work = kzalloc(sizeof(*work), GFP_KERNEL); + if (work == NULL) + return -ENOMEM; + + work->event = event; + work->crtc = crtc; + work->old_fb = old_fb; + INIT_WORK(&work->unpin_work, intel_unpin_work_fn); + + ret = drm_crtc_vblank_get(crtc); + if (ret) + goto free_work; + + /* We borrow the event spin lock for protecting flip_work */ + spin_lock_irq(&dev->event_lock); + if (intel_crtc->flip_work) { + /* Before declaring the flip queue wedged, check if + * the hardware completed the operation behind our backs. + */ + if (pageflip_finished(intel_crtc, intel_crtc->flip_work)) { + DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); + page_flip_completed(intel_crtc); + } else { + DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); + spin_unlock_irq(&dev->event_lock); + + drm_crtc_vblank_put(crtc); + kfree(work); + return -EBUSY; + } } + intel_crtc->flip_work = work; + spin_unlock_irq(&dev->event_lock); - for (i = 0; i < work->num_planes; i++) { - struct intel_plane_state *old_plane_state = work->old_plane_state[i]; + if (atomic_read(&intel_crtc->unpin_work_count) >= 2) + flush_workqueue(dev_priv->wq); - /* For framebuffer backed by dmabuf, wait for fence */ - if (old_plane_state->base.fence) - WARN_ON(fence_wait(old_plane_state->base.fence, false) < 0); + /* Reference the objects for the scheduled work. */ + drm_framebuffer_reference(work->old_fb); + drm_gem_object_reference(&obj->base); - req = old_plane_state->wait_req; - if (!req) - continue; + crtc->primary->fb = fb; + update_state_fb(crtc->primary); + intel_fbc_pre_update(intel_crtc); - WARN_ON(__i915_wait_request(req, false, NULL, - &dev_priv->rps.mmioflips)); + work->pending_flip_obj = obj; + + ret = i915_mutex_lock_interruptible(dev); + if (ret) + goto cleanup; + + intel_crtc->reset_counter = i915_reset_counter(&dev_priv->gpu_error); + if (__i915_reset_in_progress_or_wedged(intel_crtc->reset_counter)) { + ret = -EIO; + goto cleanup; } - ret = drm_crtc_vblank_get(crtc); - I915_STATE_WARN(ret < 0, "enabling vblank failed with %i\n", ret); + atomic_inc(&intel_crtc->unpin_work_count); + + if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) + work->flip_count = I915_READ(PIPE_FLIPCOUNT_G4X(pipe)) + 1; - if (work->num_planes && - work->old_plane_state[0]->base.plane == crtc->primary) - intel_fbc_enable(intel_crtc, work->new_crtc_state, work->new_plane_state[0]); + if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { + engine = &dev_priv->engine[BCS]; + if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode) + /* vlv: DISPLAY_FLIP fails to change tiling */ + engine = NULL; + } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { + engine = &dev_priv->engine[BCS]; + } else if (INTEL_INFO(dev)->gen >= 7) { + engine = i915_gem_request_get_engine(obj->last_write_req); + if (engine == NULL || engine->id != RCS) + engine = &dev_priv->engine[BCS]; + } else { + engine = &dev_priv->engine[RCS]; + } - intel_frontbuffer_flip_prepare(dev, work->fb_bits); + mmio_flip = use_mmio_flip(engine, obj); - intel_pipe_update_start(intel_crtc); - if (!needs_modeset(&crtc_state->base)) { - if (crtc_state->base.color_mgmt_changed || crtc_state->update_pipe) { - intel_color_set_csc(&crtc_state->base); - intel_color_load_luts(&crtc_state->base); + /* When using CS flips, we want to emit semaphores between rings. + * However, when using mmio flips we will create a task to do the + * synchronisation, so all we want here is to pin the framebuffer + * into the display plane and skip any waits. + */ + if (!mmio_flip) { + ret = i915_gem_object_sync(obj, engine, &request); + if (!ret && !request) { + request = i915_gem_request_alloc(engine, NULL); + ret = PTR_ERR_OR_ZERO(request); } - if (crtc_state->update_pipe) - intel_update_pipe_config(intel_crtc, work->old_crtc_state); - else if (INTEL_INFO(dev)->gen >= 9) - skl_detach_scalers(intel_crtc); + if (ret) + goto cleanup_pending; } - for (i = 0; i < work->num_planes; i++) { - struct intel_plane_state *new_plane_state = work->new_plane_state[i]; - struct intel_plane *plane = to_intel_plane(new_plane_state->base.plane); + ret = intel_pin_and_fence_fb_obj(fb, primary->state->rotation); + if (ret) + goto cleanup_pending; - if (new_plane_state->visible) - plane->update_plane(&plane->base, crtc_state, new_plane_state); - else - plane->disable_plane(&plane->base, crtc); + work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary), + obj, 0); + work->gtt_offset += intel_crtc->dspaddr_offset; + work->rotation = crtc->primary->state->rotation; + + if (mmio_flip) { + INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func); + + i915_gem_request_assign(&work->flip_queued_req, + obj->last_write_req); + + schedule_work(&work->mmio_work); + } else { + i915_gem_request_assign(&work->flip_queued_req, request); + ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request, + page_flip_flags); + if (ret) + goto cleanup_unpin; + + intel_mark_page_flip_active(intel_crtc, work); + + i915_add_request_no_flush(request); } - intel_pipe_update_end(intel_crtc, work); + i915_gem_track_fb(intel_fb_obj(old_fb), obj, + to_intel_plane(primary)->frontbuffer_bit); + mutex_unlock(&dev->struct_mutex); + + intel_frontbuffer_flip_prepare(dev, + to_intel_plane(primary)->frontbuffer_bit); + + trace_i915_flip_request(intel_crtc->plane, obj); + + return 0; + +cleanup_unpin: + intel_unpin_fb_obj(fb, crtc->primary->state->rotation); +cleanup_pending: + if (!IS_ERR_OR_NULL(request)) + i915_add_request_no_flush(request); + atomic_dec(&intel_crtc->unpin_work_count); + mutex_unlock(&dev->struct_mutex); +cleanup: + crtc->primary->fb = old_fb; + update_state_fb(crtc->primary); + + drm_gem_object_unreference_unlocked(&obj->base); + drm_framebuffer_unreference(work->old_fb); + + spin_lock_irq(&dev->event_lock); + intel_crtc->flip_work = NULL; + spin_unlock_irq(&dev->event_lock); + + drm_crtc_vblank_put(crtc); +free_work: + kfree(work); + + if (ret == -EIO) { + struct drm_atomic_state *state; + struct drm_plane_state *plane_state; + +out_hang: + state = drm_atomic_state_alloc(dev); + if (!state) + return -ENOMEM; + state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); + +retry: + plane_state = drm_atomic_get_plane_state(state, primary); + ret = PTR_ERR_OR_ZERO(plane_state); + if (!ret) { + drm_atomic_set_fb_for_plane(plane_state, fb); + + ret = drm_atomic_set_crtc_for_plane(plane_state, crtc); + if (!ret) + ret = drm_atomic_commit(state); + } + + if (ret == -EDEADLK) { + drm_modeset_backoff(state->acquire_ctx); + drm_atomic_state_clear(state); + goto retry; + } + + if (ret) + drm_atomic_state_free(state); + + if (ret == 0 && event) { + spin_lock_irq(&dev->event_lock); + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&dev->event_lock); + } + } + return ret; } + /** * intel_wm_need_update - Check whether watermarks need updating * @plane: drm plane @@ -11312,6 +11986,8 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc, static const struct drm_crtc_helper_funcs intel_helper_funcs = { .mode_set_base_atomic = intel_pipe_set_base_atomic, + .atomic_begin = intel_begin_crtc_commit, + .atomic_flush = intel_finish_crtc_commit, .atomic_check = intel_crtc_atomic_check, }; @@ -12151,8 +12827,7 @@ verify_connector_state(struct drm_device *dev, struct drm_crtc *crtc) if (state->crtc != crtc) continue; - intel_connector_verify_state(to_intel_connector(connector), - connector->state); + intel_connector_verify_state(to_intel_connector(connector)); I915_STATE_WARN(state->best_encoder != encoder, "connector's atomic encoder doesn't match legacy encoder\n"); @@ -12354,7 +13029,12 @@ intel_modeset_verify_crtc(struct drm_crtc *crtc, struct drm_crtc_state *old_state, struct drm_crtc_state *new_state) { + if (!needs_modeset(new_state) && + !to_intel_crtc_state(new_state)->update_pipe) + return; + verify_wm_state(crtc, new_state); + verify_connector_state(crtc->dev, crtc); verify_crtc_state(crtc, old_state, new_state); verify_shared_dpll_state(crtc->dev, crtc, old_state, new_state); } @@ -12698,83 +13378,32 @@ static int intel_atomic_check(struct drm_device *dev, return calc_watermark_data(state); } -static bool needs_work(struct drm_crtc_state *crtc_state) -{ - /* hw state checker needs to run */ - if (needs_modeset(crtc_state)) - return true; - - /* unpin old fb's, possibly vblank update */ - if (crtc_state->planes_changed) - return true; - - /* pipe parameters need to be updated, and hw state checker */ - if (to_intel_crtc_state(crtc_state)->update_pipe) - return true; - - /* vblank event requested? */ - if (crtc_state->event) - return true; - - return false; -} - static int intel_atomic_prepare_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct drm_plane_state *plane_state; struct drm_crtc_state *crtc_state; struct drm_plane *plane; struct drm_crtc *crtc; int i, ret; - for_each_crtc_in_state(state, crtc, crtc_state, i) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_flip_work *work; - - if (!state->legacy_cursor_update) { - ret = intel_crtc_wait_for_pending_flips(crtc); - if (ret) - return ret; - - if (atomic_read(&intel_crtc->unpin_work_count) >= 2) - flush_workqueue(dev_priv->wq); - } + if (nonblock) { + DRM_DEBUG_KMS("i915 does not yet support nonblocking commit\n"); + return -EINVAL; + } - /* test if we need to update something */ - if (!needs_work(crtc_state)) + for_each_crtc_in_state(state, crtc, crtc_state, i) { + if (state->legacy_cursor_update) continue; - intel_state->work[i] = work = - kzalloc(sizeof(**intel_state->work), GFP_KERNEL); - - if (!work) - return -ENOMEM; - - if (needs_modeset(crtc_state) || - to_intel_crtc_state(crtc_state)->update_pipe) { - work->num_old_connectors = hweight32(crtc->state->connector_mask); - - work->old_connector_state = kcalloc(work->num_old_connectors, - sizeof(*work->old_connector_state), - GFP_KERNEL); - - work->num_new_connectors = hweight32(crtc_state->connector_mask); - work->new_connector_state = kcalloc(work->num_new_connectors, - sizeof(*work->new_connector_state), - GFP_KERNEL); - - if (!work->old_connector_state || !work->new_connector_state) - return -ENOMEM; - } - } + ret = intel_crtc_wait_for_pending_flips(crtc); + if (ret) + return ret; - if (intel_state->modeset && nonblock) { - DRM_DEBUG_ATOMIC("Nonblock modesets are not yet supported!\n"); - return -EINVAL; + if (atomic_read(&to_intel_crtc(crtc)->unpin_work_count) >= 2) + flush_workqueue(dev_priv->wq); } ret = mutex_lock_interruptible(&dev->struct_mutex); @@ -12789,15 +13418,6 @@ static int intel_atomic_prepare_commit(struct drm_device *dev, struct intel_plane_state *intel_plane_state = to_intel_plane_state(plane_state); - if (plane_state->fence) { - long lret = fence_wait(plane_state->fence, true); - - if (lret < 0) { - ret = lret; - break; - } - } - if (!intel_plane_state->wait_req) continue; @@ -12827,157 +13447,69 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) return dev->driver->get_vblank_counter(dev, crtc->pipe); } -static void intel_prepare_work(struct drm_crtc *crtc, - struct intel_flip_work *work, - struct drm_atomic_state *state, - struct drm_crtc_state *old_crtc_state) +static void intel_atomic_wait_for_vblanks(struct drm_device *dev, + struct drm_i915_private *dev_priv, + unsigned crtc_mask) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct drm_plane_state *old_plane_state; - struct drm_plane *plane; - int i, j = 0; + unsigned last_vblank_count[I915_MAX_PIPES]; + enum pipe pipe; + int ret; - INIT_WORK(&work->unpin_work, intel_unpin_work_fn); - INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func); - atomic_inc(&intel_crtc->unpin_work_count); + if (!crtc_mask) + return; - for_each_plane_in_state(state, plane, old_plane_state, i) { - struct intel_plane_state *old_state = to_intel_plane_state(old_plane_state); - struct intel_plane_state *new_state = to_intel_plane_state(plane->state); + for_each_pipe(dev_priv, pipe) { + struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; - if (old_state->base.crtc != crtc && - new_state->base.crtc != crtc) + if (!((1 << pipe) & crtc_mask)) continue; - if (plane->type == DRM_PLANE_TYPE_PRIMARY) { - plane->fb = new_state->base.fb; - crtc->x = new_state->base.src_x >> 16; - crtc->y = new_state->base.src_y >> 16; + ret = drm_crtc_vblank_get(crtc); + if (WARN_ON(ret != 0)) { + crtc_mask &= ~(1 << pipe); + continue; } - old_state->wait_req = new_state->wait_req; - new_state->wait_req = NULL; - - old_state->base.fence = new_state->base.fence; - new_state->base.fence = NULL; - - /* remove plane state from the atomic state and move it to work */ - old_plane_state->state = NULL; - state->planes[i] = NULL; - state->plane_states[i] = NULL; - - work->old_plane_state[j] = old_state; - work->new_plane_state[j++] = new_state; + last_vblank_count[pipe] = drm_crtc_vblank_count(crtc); } - old_crtc_state->state = NULL; - state->crtcs[drm_crtc_index(crtc)] = NULL; - state->crtc_states[drm_crtc_index(crtc)] = NULL; - - work->old_crtc_state = to_intel_crtc_state(old_crtc_state); - work->new_crtc_state = to_intel_crtc_state(crtc->state); - work->num_planes = j; - - work->event = crtc->state->event; - crtc->state->event = NULL; - - if (needs_modeset(crtc->state) || work->new_crtc_state->update_pipe) { - struct drm_connector *conn; - struct drm_connector_state *old_conn_state; - int k = 0; - - j = 0; - - /* - * intel_unpin_work_fn cannot depend on the connector list - * because it may be freed from underneath it, so add - * them all to the work struct while we're holding locks. - */ - for_each_connector_in_state(state, conn, old_conn_state, i) { - if (old_conn_state->crtc == crtc) { - work->old_connector_state[j++] = old_conn_state; - - state->connectors[i] = NULL; - state->connector_states[i] = NULL; - } - } - - /* If another crtc has stolen the connector from state, - * then for_each_connector_in_state is no longer reliable, - * so use drm_for_each_connector here. - */ - drm_for_each_connector(conn, state->dev) - if (conn->state->crtc == crtc) - work->new_connector_state[k++] = conn->state; - - WARN(j != work->num_old_connectors, "j = %i, expected %i\n", j, work->num_old_connectors); - WARN(k != work->num_new_connectors, "k = %i, expected %i\n", k, work->num_new_connectors); - } else if (!work->new_crtc_state->update_wm_post) - work->can_async_unpin = true; - - work->fb_bits = work->new_crtc_state->fb_bits; -} - -static void intel_schedule_unpin(struct drm_crtc *crtc, - struct intel_atomic_state *state, - struct intel_flip_work *work) -{ - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - - to_intel_crtc(crtc)->config = work->new_crtc_state; - - queue_work(dev_priv->wq, &work->unpin_work); -} + for_each_pipe(dev_priv, pipe) { + struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; + long lret; -static void intel_schedule_flip(struct drm_crtc *crtc, - struct intel_atomic_state *state, - struct intel_flip_work *work, - bool nonblock) -{ - struct intel_crtc_state *crtc_state = work->new_crtc_state; + if (!((1 << pipe) & crtc_mask)) + continue; - if (crtc_state->base.planes_changed || - needs_modeset(&crtc_state->base) || - crtc_state->update_pipe) { - if (nonblock) - schedule_work(&work->mmio_work); - else - intel_mmio_flip_work_func(&work->mmio_work); - } else { - int ret; + lret = wait_event_timeout(dev->vblank[pipe].queue, + last_vblank_count[pipe] != + drm_crtc_vblank_count(crtc), + msecs_to_jiffies(50)); - ret = drm_crtc_vblank_get(crtc); - I915_STATE_WARN(ret < 0, "enabling vblank failed with %i\n", ret); + WARN(!lret, "pipe %c vblank wait timed out\n", pipe_name(pipe)); - work->flip_queued_vblank = intel_crtc_get_vblank_counter(to_intel_crtc(crtc)); - smp_mb__before_atomic(); - atomic_set(&work->pending, 1); + drm_crtc_vblank_put(crtc); } } -static void intel_schedule_update(struct drm_crtc *crtc, - struct intel_atomic_state *state, - struct intel_flip_work *work, - bool nonblock) +static bool needs_vblank_wait(struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc->dev; - struct intel_crtc_state *pipe_config = work->new_crtc_state; + /* fb updated, need to unpin old fb */ + if (crtc_state->fb_changed) + return true; - if (!pipe_config->base.active && work->can_async_unpin) { - INIT_LIST_HEAD(&work->head); - intel_schedule_unpin(crtc, state, work); - return; - } + /* wm changes, need vblank before final wm's */ + if (crtc_state->update_wm_post) + return true; - spin_lock_irq(&dev->event_lock); - list_add_tail(&work->head, &to_intel_crtc(crtc)->flip_work); - spin_unlock_irq(&dev->event_lock); + /* + * cxsr is re-enabled after vblank. + * This is already handled by crtc_state->update_wm_post, + * but added for clarity. + */ + if (crtc_state->disable_cxsr) + return true; - if (!pipe_config->base.active) - intel_schedule_unpin(crtc, state, work); - else - intel_schedule_flip(crtc, state, work, nonblock); + return false; } /** @@ -13004,7 +13536,11 @@ static int intel_atomic_commit(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_crtc_state *old_crtc_state; struct drm_crtc *crtc; + struct intel_crtc_state *intel_cstate; int ret = 0, i; + bool hw_check = intel_state->modeset; + unsigned long put_domains[I915_MAX_PIPES] = {}; + unsigned crtc_vblank_mask = 0; ret = intel_atomic_prepare_commit(dev, state, nonblock); if (ret) { @@ -13022,20 +13558,27 @@ static int intel_atomic_commit(struct drm_device *dev, sizeof(intel_state->min_pixclk)); dev_priv->active_crtcs = intel_state->active_crtcs; dev_priv->atomic_cdclk_freq = intel_state->cdclk; + + intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET); } for_each_crtc_in_state(state, crtc, old_crtc_state, i) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + if (needs_modeset(crtc->state) || + to_intel_crtc_state(crtc->state)->update_pipe) { + hw_check = true; + + put_domains[to_intel_crtc(crtc)->pipe] = + modeset_get_crtc_power_domains(crtc, + to_intel_crtc_state(crtc->state)); + } + if (!needs_modeset(crtc->state)) continue; intel_pre_plane_update(to_intel_crtc_state(old_crtc_state)); - intel_state->work[i]->put_power_domains = - modeset_get_crtc_power_domains(crtc, - to_intel_crtc_state(crtc->state)); - if (old_crtc_state->active) { intel_crtc_disable_planes(crtc, old_crtc_state->plane_mask); dev_priv->display.crtc_disable(crtc); @@ -13071,9 +13614,11 @@ static int intel_atomic_commit(struct drm_device *dev, /* Now enable the clocks, plane, pipe, and connectors that we set up. */ for_each_crtc_in_state(state, crtc, old_crtc_state, i) { - struct intel_flip_work *work = intel_state->work[i]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); bool modeset = needs_modeset(crtc->state); + struct intel_crtc_state *pipe_config = + to_intel_crtc_state(crtc->state); + bool update_pipe = !modeset && pipe_config->update_pipe; if (modeset && crtc->state->active) { update_scanline_offset(to_intel_crtc(crtc)); @@ -13083,30 +13628,53 @@ static int intel_atomic_commit(struct drm_device *dev, if (!modeset) intel_pre_plane_update(to_intel_crtc_state(old_crtc_state)); - if (!work) { - if (!list_empty_careful(&intel_crtc->flip_work)) { - spin_lock_irq(&dev->event_lock); - if (!list_empty(&intel_crtc->flip_work)) - work = list_last_entry(&intel_crtc->flip_work, - struct intel_flip_work, head); - - if (work && work->new_crtc_state == to_intel_crtc_state(old_crtc_state)) { - work->free_new_crtc_state = true; - state->crtc_states[i] = NULL; - state->crtcs[i] = NULL; - } - spin_unlock_irq(&dev->event_lock); - } - continue; - } + if (crtc->state->active && + drm_atomic_get_existing_plane_state(state, crtc->primary)) + intel_fbc_enable(intel_crtc); + + if (crtc->state->active && + (crtc->state->planes_changed || update_pipe)) + drm_atomic_helper_commit_planes_on_crtc(old_crtc_state); - intel_state->work[i] = NULL; - intel_prepare_work(crtc, work, state, old_crtc_state); - intel_schedule_update(crtc, intel_state, work, nonblock); + if (pipe_config->base.active && needs_vblank_wait(pipe_config)) + crtc_vblank_mask |= 1 << i; } /* FIXME: add subpixel order */ + if (!state->legacy_cursor_update) + intel_atomic_wait_for_vblanks(dev, dev_priv, crtc_vblank_mask); + + /* + * Now that the vblank has passed, we can go ahead and program the + * optimal watermarks on platforms that need two-step watermark + * programming. + * + * TODO: Move this (and other cleanup) to an async worker eventually. + */ + for_each_crtc_in_state(state, crtc, old_crtc_state, i) { + intel_cstate = to_intel_crtc_state(crtc->state); + + if (dev_priv->display.optimize_watermarks) + dev_priv->display.optimize_watermarks(intel_cstate); + } + + for_each_crtc_in_state(state, crtc, old_crtc_state, i) { + intel_post_plane_update(to_intel_crtc_state(old_crtc_state)); + + if (put_domains[i]) + modeset_put_power_domains(dev_priv, put_domains[i]); + + intel_modeset_verify_crtc(crtc, old_crtc_state, crtc->state); + } + + if (intel_state->modeset) + intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET); + + mutex_lock(&dev->struct_mutex); + drm_atomic_helper_cleanup_planes(dev, state); + mutex_unlock(&dev->struct_mutex); + drm_atomic_state_free(state); /* As one of the primary mmio accessors, KMS has a high likelihood @@ -13170,38 +13738,11 @@ static const struct drm_crtc_funcs intel_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .set_property = drm_atomic_helper_crtc_set_property, .destroy = intel_crtc_destroy, - .page_flip = drm_atomic_helper_page_flip, + .page_flip = intel_crtc_page_flip, .atomic_duplicate_state = intel_crtc_duplicate_state, .atomic_destroy_state = intel_crtc_destroy_state, }; -static struct fence *intel_get_excl_fence(struct drm_i915_gem_object *obj) -{ - struct reservation_object *resv; - - - if (!obj->base.dma_buf) - return NULL; - - resv = obj->base.dma_buf->resv; - - /* For framebuffer backed by dmabuf, wait for fence */ - while (1) { - struct fence *fence_excl, *ret = NULL; - - rcu_read_lock(); - - fence_excl = rcu_dereference(resv->fence_excl); - if (fence_excl) - ret = fence_get_rcu(fence_excl); - - rcu_read_unlock(); - - if (ret == fence_excl) - return ret; - } -} - /** * intel_prepare_plane_fb - Prepare fb for usage on plane * @plane: drm plane to prepare for @@ -13225,20 +13766,11 @@ intel_prepare_plane_fb(struct drm_plane *plane, struct intel_plane *intel_plane = to_intel_plane(plane); struct drm_i915_gem_object *obj = intel_fb_obj(fb); struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb); - struct drm_crtc *crtc = new_state->crtc ?: plane->state->crtc; int ret = 0; if (!obj && !old_obj) return 0; - if (WARN_ON(!new_state->state) || WARN_ON(!crtc) || - WARN_ON(!to_intel_atomic_state(new_state->state)->work[to_intel_crtc(crtc)->pipe])) { - if (WARN_ON(old_obj != obj)) - return -EINVAL; - - return 0; - } - if (old_obj) { struct drm_crtc_state *crtc_state = drm_atomic_get_existing_crtc_state(new_state->state, plane->state->crtc); @@ -13263,6 +13795,19 @@ intel_prepare_plane_fb(struct drm_plane *plane, } } + /* For framebuffer backed by dmabuf, wait for fence */ + if (obj && obj->base.dma_buf) { + long lret; + + lret = reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv, + false, true, + MAX_SCHEDULE_TIMEOUT); + if (lret == -ERESTARTSYS) + return lret; + + WARN(lret < 0, "waiting returns %li\n", lret); + } + if (!obj) { ret = 0; } else if (plane->type == DRM_PLANE_TYPE_CURSOR && @@ -13282,8 +13827,6 @@ intel_prepare_plane_fb(struct drm_plane *plane, i915_gem_request_assign(&plane_state->wait_req, obj->last_write_req); - - plane_state->base.fence = intel_get_excl_fence(obj); } i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit); @@ -13326,9 +13869,6 @@ intel_cleanup_plane_fb(struct drm_plane *plane, i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit); i915_gem_request_assign(&old_intel_state->wait_req, NULL); - - fence_put(old_intel_state->base.fence); - old_intel_state->base.fence = NULL; } int @@ -13388,6 +13928,40 @@ intel_check_primary_plane(struct drm_plane *plane, &state->visible); } +static void intel_begin_crtc_commit(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) +{ + struct drm_device *dev = crtc->dev; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *old_intel_state = + to_intel_crtc_state(old_crtc_state); + bool modeset = needs_modeset(crtc->state); + + /* Perform vblank evasion around commit operation */ + intel_pipe_update_start(intel_crtc); + + if (modeset) + return; + + if (crtc->state->color_mgmt_changed || to_intel_crtc_state(crtc->state)->update_pipe) { + intel_color_set_csc(crtc->state); + intel_color_load_luts(crtc->state); + } + + if (to_intel_crtc_state(crtc->state)->update_pipe) + intel_update_pipe_config(intel_crtc, old_intel_state); + else if (INTEL_INFO(dev)->gen >= 9) + skl_detach_scalers(intel_crtc); +} + +static void intel_finish_crtc_commit(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) +{ + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + intel_pipe_update_end(intel_crtc, NULL); +} + /** * intel_plane_destroy - destroy a plane * @plane: plane to destroy @@ -13698,8 +14272,6 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) intel_crtc->base.state = &crtc_state->base; crtc_state->base.crtc = &intel_crtc->base; - INIT_LIST_HEAD(&intel_crtc->flip_work); - /* initialize shared scalers */ if (INTEL_INFO(dev)->gen >= 9) { if (pipe == PIPE_C) @@ -14450,6 +15022,34 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv) dev_priv->display.modeset_calc_cdclk = broxton_modeset_calc_cdclk; } + + switch (INTEL_INFO(dev_priv)->gen) { + case 2: + dev_priv->display.queue_flip = intel_gen2_queue_flip; + break; + + case 3: + dev_priv->display.queue_flip = intel_gen3_queue_flip; + break; + + case 4: + case 5: + dev_priv->display.queue_flip = intel_gen4_queue_flip; + break; + + case 6: + dev_priv->display.queue_flip = intel_gen6_queue_flip; + break; + case 7: + case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ + dev_priv->display.queue_flip = intel_gen7_queue_flip; + break; + case 9: + /* Drop through - unsupported since execlist only. */ + default: + /* Default just returns -ENODEV to indicate unsupported */ + dev_priv->display.queue_flip = intel_default_queue_flip; + } } /* @@ -15407,9 +16007,9 @@ void intel_modeset_gem_init(struct drm_device *dev) DRM_ERROR("failed to pin boot fb on pipe %d\n", to_intel_crtc(c)->pipe); drm_framebuffer_unreference(c->primary->fb); - drm_framebuffer_unreference(c->primary->state->fb); - c->primary->fb = c->primary->state->fb = NULL; + c->primary->fb = NULL; c->primary->crtc = c->primary->state->crtc = NULL; + update_state_fb(c->primary); c->state->plane_mask &= ~(1 << drm_plane_index(c->primary)); } } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 0741b2d3aa65..97de5e05890a 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -304,8 +304,6 @@ struct intel_atomic_state { unsigned int active_crtcs; unsigned int min_pixclk[I915_MAX_PIPES]; - struct intel_flip_work *work[I915_MAX_PIPES]; - struct intel_shared_dpll_config shared_dpll[I915_NUM_PLLS]; /* @@ -643,7 +641,7 @@ struct intel_crtc { unsigned long enabled_power_domains; bool lowfreq_avail; struct intel_overlay *overlay; - struct list_head flip_work; + struct intel_flip_work *flip_work; atomic_t unpin_work_count; @@ -661,6 +659,9 @@ struct intel_crtc { struct intel_crtc_state *config; + /* reset counter value when the last flip was submitted */ + unsigned int reset_counter; + /* Access to these should be protected by dev_priv->irq_lock. */ bool cpu_fifo_underrun_disabled; bool pch_fifo_underrun_disabled; @@ -969,28 +970,20 @@ intel_get_crtc_for_plane(struct drm_device *dev, int plane) } struct intel_flip_work { - struct list_head head; - struct work_struct unpin_work; struct work_struct mmio_work; + struct drm_crtc *crtc; + struct drm_framebuffer *old_fb; + struct drm_i915_gem_object *pending_flip_obj; struct drm_pending_vblank_event *event; atomic_t pending; + u32 flip_count; + u32 gtt_offset; + struct drm_i915_gem_request *flip_queued_req; u32 flip_queued_vblank; - - unsigned put_power_domains; - unsigned num_planes; - - bool can_async_unpin, free_new_crtc_state; - unsigned fb_bits; - - unsigned num_old_connectors, num_new_connectors; - struct drm_connector_state **old_connector_state; - struct drm_connector_state **new_connector_state; - - struct intel_crtc_state *old_crtc_state, *new_crtc_state; - struct intel_plane_state *old_plane_state[I915_MAX_PLANES + 1]; - struct intel_plane_state *new_plane_state[I915_MAX_PLANES + 1]; + u32 flip_ready_vblank; + unsigned int rotation; }; struct intel_load_detect_pipe { @@ -1149,7 +1142,6 @@ unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info bool intel_has_pending_fb_unpin(struct drm_device *dev); void intel_mark_busy(struct drm_i915_private *dev_priv); void intel_mark_idle(struct drm_i915_private *dev_priv); -void intel_free_flip_work(struct intel_flip_work *work); void intel_crtc_restore_mode(struct drm_crtc *crtc); int intel_display_suspend(struct drm_device *dev); void intel_encoder_destroy(struct drm_encoder *encoder); @@ -1202,8 +1194,9 @@ struct drm_framebuffer * __intel_framebuffer_create(struct drm_device *dev, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_i915_gem_object *obj); +void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe); void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe); - +void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe); int intel_prepare_plane_fb(struct drm_plane *plane, const struct drm_plane_state *new_state); void intel_cleanup_plane_fb(struct drm_plane *plane, @@ -1427,15 +1420,11 @@ static inline void intel_fbdev_restore_mode(struct drm_device *dev) void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv, struct drm_atomic_state *state); bool intel_fbc_is_active(struct drm_i915_private *dev_priv); -void intel_fbc_pre_update(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state); +void intel_fbc_pre_update(struct intel_crtc *crtc); void intel_fbc_post_update(struct intel_crtc *crtc); void intel_fbc_init(struct drm_i915_private *dev_priv); void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv); -void intel_fbc_enable(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state); +void intel_fbc_enable(struct intel_crtc *crtc); void intel_fbc_disable(struct intel_crtc *crtc); void intel_fbc_global_disable(struct drm_i915_private *dev_priv); void intel_fbc_invalidate(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index d2b0269b2fe4..0dea5fbcd8aa 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -480,10 +480,10 @@ static void intel_fbc_deactivate(struct drm_i915_private *dev_priv) intel_fbc_hw_deactivate(dev_priv); } -static bool multiple_pipes_ok(struct intel_crtc *crtc, - struct intel_plane_state *plane_state) +static bool multiple_pipes_ok(struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; + struct drm_plane *primary = crtc->base.primary; struct intel_fbc *fbc = &dev_priv->fbc; enum pipe pipe = crtc->pipe; @@ -491,7 +491,9 @@ static bool multiple_pipes_ok(struct intel_crtc *crtc, if (!no_fbc_on_multiple_pipes(dev_priv)) return true; - if (plane_state->visible) + WARN_ON(!drm_modeset_is_locked(&primary->mutex)); + + if (to_intel_plane_state(primary->state)->visible) fbc->visible_pipes_mask |= (1 << pipe); else fbc->visible_pipes_mask &= ~(1 << pipe); @@ -706,16 +708,21 @@ static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc) return effective_w <= max_w && effective_h <= max_h; } -static void intel_fbc_update_state_cache(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state) +static void intel_fbc_update_state_cache(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; struct intel_fbc *fbc = &dev_priv->fbc; struct intel_fbc_state_cache *cache = &fbc->state_cache; + struct intel_crtc_state *crtc_state = + to_intel_crtc_state(crtc->base.state); + struct intel_plane_state *plane_state = + to_intel_plane_state(crtc->base.primary->state); struct drm_framebuffer *fb = plane_state->base.fb; struct drm_i915_gem_object *obj; + WARN_ON(!drm_modeset_is_locked(&crtc->base.mutex)); + WARN_ON(!drm_modeset_is_locked(&crtc->base.primary->mutex)); + cache->crtc.mode_flags = crtc_state->base.adjusted_mode.flags; if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) cache->crtc.hsw_bdw_pixel_rate = @@ -880,9 +887,7 @@ static bool intel_fbc_reg_params_equal(struct intel_fbc_reg_params *params1, return memcmp(params1, params2, sizeof(*params1)) == 0; } -void intel_fbc_pre_update(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state) +void intel_fbc_pre_update(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; struct intel_fbc *fbc = &dev_priv->fbc; @@ -892,7 +897,7 @@ void intel_fbc_pre_update(struct intel_crtc *crtc, mutex_lock(&fbc->lock); - if (!multiple_pipes_ok(crtc, plane_state)) { + if (!multiple_pipes_ok(crtc)) { fbc->no_fbc_reason = "more than one pipe active"; goto deactivate; } @@ -900,7 +905,7 @@ void intel_fbc_pre_update(struct intel_crtc *crtc, if (!fbc->enabled || fbc->crtc != crtc) goto unlock; - intel_fbc_update_state_cache(crtc, crtc_state, plane_state); + intel_fbc_update_state_cache(crtc); deactivate: intel_fbc_deactivate(dev_priv); @@ -1084,9 +1089,7 @@ out: * intel_fbc_enable multiple times for the same pipe without an * intel_fbc_disable in the middle, as long as it is deactivated. */ -void intel_fbc_enable(struct intel_crtc *crtc, - struct intel_crtc_state *crtc_state, - struct intel_plane_state *plane_state) +void intel_fbc_enable(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; struct intel_fbc *fbc = &dev_priv->fbc; @@ -1099,19 +1102,19 @@ void intel_fbc_enable(struct intel_crtc *crtc, if (fbc->enabled) { WARN_ON(fbc->crtc == NULL); if (fbc->crtc == crtc) { - WARN_ON(!crtc_state->enable_fbc); + WARN_ON(!crtc->config->enable_fbc); WARN_ON(fbc->active); } goto out; } - if (!crtc_state->enable_fbc) + if (!crtc->config->enable_fbc) goto out; WARN_ON(fbc->active); WARN_ON(fbc->crtc != NULL); - intel_fbc_update_state_cache(crtc, crtc_state, plane_state); + intel_fbc_update_state_cache(crtc); if (intel_fbc_alloc_cfb(crtc)) { fbc->no_fbc_reason = "not enough stolen memory"; goto out; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index affca6d5ce7e..db10c961e0f4 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -260,7 +260,9 @@ int intel_sanitize_enable_execlists(struct drm_i915_private *dev_priv, int enabl if (enable_execlists == 0) return 0; - if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) && USES_PPGTT(dev_priv)) + if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) && + USES_PPGTT(dev_priv) && + i915.use_mmio_flip >= 0) return 1; return 0; |
