From 44a1246f320312b84134a962caf3bf6af989e193 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 17 Aug 2010 14:34:00 +1000 Subject: drm/nv50: add dcb type 14 to enum to prevent compiler complaint Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_bios.c | 2 +- drivers/gpu/drm/nouveau/nouveau_bios.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index e4f33a4edea1..e10d851a7240 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -6153,7 +6153,7 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb, entry->tmdsconf.slave_addr = (conf & 0x00000070) >> 4; break; - case 0xe: + case OUTPUT_EOL: /* weird g80 mobile type that "nv" treats as a terminator */ dcb->entries--; return false; diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h index fd14dfd3d780..c1de2f3fcb0e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.h +++ b/drivers/gpu/drm/nouveau/nouveau_bios.h @@ -95,6 +95,7 @@ enum dcb_type { OUTPUT_TMDS = 2, OUTPUT_LVDS = 3, OUTPUT_DP = 6, + OUTPUT_EOL = 14, /* DCB 4.0+, appears to be end-of-list */ OUTPUT_ANY = -1 }; -- cgit v1.2.1 From acae116ce16833859eb4eb929de571b9a800d685 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Sun, 15 Aug 2010 14:31:31 +0200 Subject: drm/nouveau: Use a helper function to match PCI device/subsystem IDs. Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_bios.c | 17 ++++------------- drivers/gpu/drm/nouveau/nouveau_drv.h | 9 +++++++++ drivers/gpu/drm/nouveau/nv17_tv.c | 10 +++------- 3 files changed, 16 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index e10d851a7240..b54597f6eadf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -4381,11 +4381,8 @@ int nouveau_bios_parse_lvds_table(struct drm_device *dev, int pxclk, bool *dl, b * * For the moment, a quirk will do :) */ - if ((dev->pdev->device == 0x01d7) && - (dev->pdev->subsystem_vendor == 0x1028) && - (dev->pdev->subsystem_device == 0x01c2)) { + if (nv_match_device(dev, 0x01d7, 0x1028, 0x01c2)) bios->fp.duallink_transition_clk = 80000; - } /* set dual_link flag for EDID case */ if (pxclk && (chip_version < 0x25 || chip_version > 0x28)) @@ -5814,9 +5811,7 @@ parse_dcb_gpio_table(struct nvbios *bios) */ /* Apple iMac G4 NV18 */ - if (dev->pdev->device == 0x0189 && - dev->pdev->subsystem_vendor == 0x10de && - dev->pdev->subsystem_device == 0x0010) { + if (nv_match_device(dev, 0x0189, 0x10de, 0x0010)) { struct dcb_gpio_entry *gpio = new_gpio_entry(bios); gpio->tag = DCB_GPIO_TVDAC0; @@ -5898,9 +5893,7 @@ apply_dcb_connector_quirks(struct nvbios *bios, int idx) struct drm_device *dev = bios->dev; /* Gigabyte NX85T */ - if ((dev->pdev->device == 0x0421) && - (dev->pdev->subsystem_vendor == 0x1458) && - (dev->pdev->subsystem_device == 0x344c)) { + if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { if (cte->type == DCB_CONNECTOR_HDMI_1) cte->type = DCB_CONNECTOR_DVI_I; } @@ -6321,9 +6314,7 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf) * nasty problems until this is sorted (assuming it's not a * VBIOS bug). */ - if ((dev->pdev->device == 0x040d) && - (dev->pdev->subsystem_vendor == 0x1028) && - (dev->pdev->subsystem_device == 0x019b)) { + if (nv_match_device(dev, 0x040d, 0x1028, 0x019b)) { if (*conn == 0x02026312 && *conf == 0x00000020) return false; } diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 1e093a069b7b..b1be617373b6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1389,6 +1389,15 @@ nv_two_reg_pll(struct drm_device *dev) return false; } +static inline bool +nv_match_device(struct drm_device *dev, unsigned device, + unsigned sub_vendor, unsigned sub_device) +{ + return dev->pdev->device == device && + dev->pdev->subsystem_vendor == sub_vendor && + dev->pdev->subsystem_device == sub_device; +} + #define NV_SW 0x0000506e #define NV_SW_DMA_SEMAPHORE 0x00000060 #define NV_SW_SEMAPHORE_OFFSET 0x00000064 diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c index eefa5c856932..13cdc05b7c2d 100644 --- a/drivers/gpu/drm/nouveau/nv17_tv.c +++ b/drivers/gpu/drm/nouveau/nv17_tv.c @@ -121,18 +121,14 @@ static bool get_tv_detect_quirks(struct drm_device *dev, uint32_t *pin_mask) { /* Zotac FX5200 */ - if (dev->pdev->device == 0x0322 && - dev->pdev->subsystem_vendor == 0x19da && - (dev->pdev->subsystem_device == 0x1035 || - dev->pdev->subsystem_device == 0x2035)) { + if (nv_match_device(dev, 0x0322, 0x19da, 0x1035) || + nv_match_device(dev, 0x0322, 0x19da, 0x2035)) { *pin_mask = 0xc; return false; } /* MSI nForce2 IGP */ - if (dev->pdev->device == 0x01f0 && - dev->pdev->subsystem_vendor == 0x1462 && - dev->pdev->subsystem_device == 0x5710) { + if (nv_match_device(dev, 0x01f0, 0x1462, 0x5710)) { *pin_mask = 0xc; return false; } -- cgit v1.2.1 From f5cb8ab1541390d5ac3bb906f81c4300d0fdb574 Mon Sep 17 00:00:00 2001 From: Patrice Mandin Date: Wed, 18 Aug 2010 16:07:34 +0200 Subject: drm/nv30: Apply modesetting to the correct slave encoder Signed-off-by: Patrice Mandin Reviewed-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv04_dfp.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index a5dcf7685800..ea89f6e69d4c 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -444,6 +444,7 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct dcb_entry *dcbe = nv_encoder->dcb; int head = nouveau_crtc(encoder->crtc)->index; + struct drm_encoder *slave_encoder; if (dcbe->type == OUTPUT_TMDS) run_tmds_table(dev, dcbe, head, nv_encoder->mode.clock); @@ -462,9 +463,10 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + nv04_dac_output_offset(encoder), 0x00100000); /* Init external transmitters */ - if (get_tmds_slave(encoder)) - get_slave_funcs(get_tmds_slave(encoder))->mode_set( - encoder, &nv_encoder->mode, &nv_encoder->mode); + slave_encoder = get_tmds_slave(encoder); + if (slave_encoder) + get_slave_funcs(slave_encoder)->mode_set( + slave_encoder, &nv_encoder->mode, &nv_encoder->mode); helper->dpms(encoder, DRM_MODE_DPMS_ON); -- cgit v1.2.1 From d31e078d847fb2816d26c9476f4a68e89dc65a0b Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Fri, 20 Aug 2010 14:19:45 +0200 Subject: drm/nouveau: Fix backlight control on PPC machines with an internal TMDS panel. This commit fixes fdo bug 29685. Reported-by: Vlado Plaga Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_bios.c | 25 ++++--------------------- drivers/gpu/drm/nouveau/nv04_dfp.c | 23 +++++++++++++++++++++++ 2 files changed, 27 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index b54597f6eadf..f6c615b228d4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -3869,27 +3869,10 @@ static int call_lvds_manufacturer_script(struct drm_device *dev, struct dcb_entr } #ifdef __powerpc__ /* Powerbook specific quirks */ - if ((dev->pci_device & 0xffff) == 0x0179 || - (dev->pci_device & 0xffff) == 0x0189 || - (dev->pci_device & 0xffff) == 0x0329) { - if (script == LVDS_RESET) { - nv_write_tmds(dev, dcbent->or, 0, 0x02, 0x72); - - } else if (script == LVDS_PANEL_ON) { - bios_wr32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL, - bios_rd32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL) - | (1 << 31)); - bios_wr32(bios, NV_PCRTC_GPIO_EXT, - bios_rd32(bios, NV_PCRTC_GPIO_EXT) | 1); - - } else if (script == LVDS_PANEL_OFF) { - bios_wr32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL, - bios_rd32(bios, NV_PBUS_DEBUG_DUALHEAD_CTL) - & ~(1 << 31)); - bios_wr32(bios, NV_PCRTC_GPIO_EXT, - bios_rd32(bios, NV_PCRTC_GPIO_EXT) & ~3); - } - } + if (script == LVDS_RESET && + (dev->pci_device == 0x0179 || dev->pci_device == 0x0189 || + dev->pci_device == 0x0329)) + nv_write_tmds(dev, dcbent->or, 0, 0x02, 0x72); #endif return 0; diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index ea89f6e69d4c..0d3206a7046c 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -475,6 +475,27 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } +static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode) +{ +#ifdef __powerpc__ + struct drm_device *dev = encoder->dev; + + /* BIOS scripts usually take care of the backlight, thanks + * Apple for your consistency. + */ + if (dev->pci_device == 0x0179 || dev->pci_device == 0x0189 || + dev->pci_device == 0x0329) { + if (mode == DRM_MODE_DPMS_ON) { + nv_mask(dev, NV_PBUS_DEBUG_DUALHEAD_CTL, 0, 1 << 31); + nv_mask(dev, NV_PCRTC_GPIO_EXT, 3, 1); + } else { + nv_mask(dev, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 0); + nv_mask(dev, NV_PCRTC_GPIO_EXT, 3, 0); + } + } +#endif +} + static inline bool is_powersaving_dpms(int mode) { return (mode != DRM_MODE_DPMS_ON); @@ -522,6 +543,7 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) LVDS_PANEL_OFF, 0); } + nv04_dfp_update_backlight(encoder, mode); nv04_dfp_update_fp_control(encoder, mode); if (mode == DRM_MODE_DPMS_ON) @@ -545,6 +567,7 @@ static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode) NV_INFO(dev, "Setting dpms mode %d on tmds encoder (output %d)\n", mode, nv_encoder->dcb->index); + nv04_dfp_update_backlight(encoder, mode); nv04_dfp_update_fp_control(encoder, mode); } -- cgit v1.2.1 From fba675283429e41270feb661a1f6f3bc05d71981 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Tue, 24 Aug 2010 23:02:02 +0200 Subject: drm/nouveau: Fix TMDS on some DCB1.5 boards. The TMDS output of an nv11 was being detected as LVDS, because it uses DCB type 2 for TMDS instead of type 4. Reported-by: Bertrand VIEILLE Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_bios.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index f6c615b228d4..974b0f8ae048 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -6166,22 +6166,14 @@ parse_dcb15_entry(struct drm_device *dev, struct dcb_table *dcb, entry->type = OUTPUT_TV; break; case 2: - case 3: - entry->type = OUTPUT_LVDS; - break; case 4: - switch ((conn & 0x000000f0) >> 4) { - case 0: - entry->type = OUTPUT_TMDS; - break; - case 1: + if (conn & 0x10) entry->type = OUTPUT_LVDS; - break; - default: - NV_ERROR(dev, "Unknown DCB subtype 4/%d\n", - (conn & 0x000000f0) >> 4); - return false; - } + else + entry->type = OUTPUT_TMDS; + break; + case 3: + entry->type = OUTPUT_LVDS; break; default: NV_ERROR(dev, "Unknown DCB type %d\n", conn & 0x0000000f); -- cgit v1.2.1 From ee508b821c2042fb852a078e594bd36606973780 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Wed, 25 Aug 2010 12:54:53 +0200 Subject: drm/nv20: Don't use pushbuf calls on the original nv20. The "return" command is buggy on the original nv20, it jumps back to the caller address as expected, but it doesn't clear the subroutine active bit making the subsequent pushbuf calls fail with a "stack" overflow. Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index a915dcdd9a49..613f878e6d0f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -663,7 +663,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, push[i].length); } } else - if (dev_priv->card_type >= NV_20) { + if (dev_priv->chipset >= 0x25) { ret = RING_SPACE(chan, req->nr_push * 2); if (ret) { NV_ERROR(dev, "cal_space: %d\n", ret); @@ -738,7 +738,7 @@ out_next: req->suffix0 = 0x00000000; req->suffix1 = 0x00000000; } else - if (dev_priv->card_type >= NV_20) { + if (dev_priv->chipset >= 0x25) { req->suffix0 = 0x00020000; req->suffix1 = 0x00000000; } else { -- cgit v1.2.1 From e3461a2bc0d67ce60a915e0f26e2a6eb4a4d4b99 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 26 Aug 2010 14:58:57 +1000 Subject: drm: export drm_global_mutex for drivers to use Nouveau needs to be able to drop the mutex before sleeping to prevent a deadlock from occuring. Signed-off-by: Ben Skeggs --- drivers/gpu/drm/drm_fops.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 2ca8df8b6102..41dfaae41159 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -41,6 +41,7 @@ /* from BKL pushdown: note that nothing else serializes idr_find() */ DEFINE_MUTEX(drm_global_mutex); +EXPORT_SYMBOL(drm_global_mutex); static int drm_open_helper(struct inode *inode, struct file *filp, struct drm_device * dev); -- cgit v1.2.1 From ab699ec64a4294f2f6ccd34b9bf8a2dcb4c4cb3c Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 26 Aug 2010 15:02:32 +1000 Subject: drm/nouveau: drop drm_global_mutex before sleeping in submission path If we keep hold of the mutex here, the process which currently holds the buffer object will never be able to release it, causing a deadlock. Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_gem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 613f878e6d0f..93711dfcafc1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -337,7 +337,9 @@ retry: return -EINVAL; } + mutex_unlock(&drm_global_mutex); ret = ttm_bo_wait_cpu(&nvbo->bo, false); + mutex_lock(&drm_global_mutex); if (ret) { NV_ERROR(dev, "fail wait_cpu\n"); return ret; -- cgit v1.2.1 From 7521473305f1379403b893a30ac09a2132dc1e25 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Thu, 26 Aug 2010 21:44:17 +0200 Subject: drm: mm: fix range restricted allocations With the code cleanup in 7a6b2896f261894dde287d3faefa4b432cddca53 is the first bad commit commit 7a6b2896f261894dde287d3faefa4b432cddca53 Author: Daniel Vetter Date: Fri Jul 2 15:02:15 2010 +0100 drm_mm: extract check_free_mm_node I've botched up the range-restriction checks. The result is usually an X server dying with SIGBUS in libpixman (software fallback rendering). Change the code to adjust the start and end for range restricted allocations. IMHO this even makes the code a bit clearer. Fixes regression bug: https://bugs.freedesktop.org/show_bug.cgi?id=29738 Reported-by-Tested-by: Till MAtthiesen Acked-by: Alex Deucher Signed-off-by: Daniel Vetter Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_mm.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index da99edc50888..a6bfc302ed90 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -285,21 +285,21 @@ void drm_mm_put_block(struct drm_mm_node *cur) EXPORT_SYMBOL(drm_mm_put_block); -static int check_free_mm_node(struct drm_mm_node *entry, unsigned long size, - unsigned alignment) +static int check_free_hole(unsigned long start, unsigned long end, + unsigned long size, unsigned alignment) { unsigned wasted = 0; - if (entry->size < size) + if (end - start < size) return 0; if (alignment) { - register unsigned tmp = entry->start % alignment; + unsigned tmp = start % alignment; if (tmp) wasted = alignment - tmp; } - if (entry->size >= size + wasted) { + if (end >= start + size + wasted) { return 1; } @@ -320,7 +320,8 @@ struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, best_size = ~0UL; list_for_each_entry(entry, &mm->free_stack, free_stack) { - if (!check_free_mm_node(entry, size, alignment)) + if (!check_free_hole(entry->start, entry->start + entry->size, + size, alignment)) continue; if (!best_match) @@ -353,10 +354,12 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm, best_size = ~0UL; list_for_each_entry(entry, &mm->free_stack, free_stack) { - if (entry->start > end || (entry->start+entry->size) < start) - continue; + unsigned long adj_start = entry->start < start ? + start : entry->start; + unsigned long adj_end = entry->start + entry->size > end ? + end : entry->start + entry->size; - if (!check_free_mm_node(entry, size, alignment)) + if (!check_free_hole(adj_start, adj_end, size, alignment)) continue; if (!best_match) @@ -449,7 +452,8 @@ int drm_mm_scan_add_block(struct drm_mm_node *node) node->free_stack.prev = prev_free; node->free_stack.next = next_free; - if (check_free_mm_node(node, mm->scan_size, mm->scan_alignment)) { + if (check_free_hole(node->start, node->start + node->size, + mm->scan_size, mm->scan_alignment)) { mm->scan_hit_start = node->start; mm->scan_hit_size = node->size; -- cgit v1.2.1 From 12acd90f0b97a4ce4574ca1e951cbca026e92560 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 26 Aug 2010 12:22:04 -0400 Subject: drm/radeon/kms: remove stray radeon_i2c_destroy I missed this one in the i2c unification patch. This is handled in the core radeon i2c code now. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_pm.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 477ba673e1b4..f87efec76236 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -637,8 +637,6 @@ void radeon_pm_fini(struct radeon_device *rdev) } radeon_hwmon_fini(rdev); - if (rdev->pm.i2c_bus) - radeon_i2c_destroy(rdev->pm.i2c_bus); } void radeon_pm_compute_clocks(struct radeon_device *rdev) -- cgit v1.2.1 From 08f2e669a81b5906adf6e4716f92d99d7966d224 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 27 Aug 2010 08:55:28 +1000 Subject: drm: fix regression in drm locking since BKL removal. This locking path needs proper auditing but probably too late for changes at this point for 2.6.36, so lets go with the quick fix, which is to drop the lock around schedule. Reported-by: Andreas Schwab Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_lock.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c index e2f70a516c34..9bf93bc9a32c 100644 --- a/drivers/gpu/drm/drm_lock.c +++ b/drivers/gpu/drm/drm_lock.c @@ -92,7 +92,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) } /* Contention */ + mutex_unlock(&drm_global_mutex); schedule(); + mutex_lock(&drm_global_mutex); if (signal_pending(current)) { ret = -EINTR; break; -- cgit v1.2.1 From adde0f23396fe6c6cd4fe8e66e9cdc7d1f5081d9 Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Mon, 23 Aug 2010 10:19:14 -0400 Subject: drm/modes: Fix CVT-R modeline generation Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16651 Signed-off-by: Adam Jackson Tested-by: Adam Serbinski Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_modes.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index f1f473ea97d3..949326d2a8e5 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -251,7 +251,10 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay, drm_mode->htotal = drm_mode->hdisplay + CVT_RB_H_BLANK; /* Fill in HSync values */ drm_mode->hsync_end = drm_mode->hdisplay + CVT_RB_H_BLANK / 2; - drm_mode->hsync_start = drm_mode->hsync_end = CVT_RB_H_SYNC; + drm_mode->hsync_start = drm_mode->hsync_end - CVT_RB_H_SYNC; + /* Fill in VSync values */ + drm_mode->vsync_start = drm_mode->vdisplay + CVT_RB_VFPORCH; + drm_mode->vsync_end = drm_mode->vsync_start + vsync; } /* 15/13. Find pixel clock frequency (kHz for xf86) */ drm_mode->clock = drm_mode->htotal * HV_FACTOR * 1000 / hperiod; -- cgit v1.2.1 From 30f4437202daa5315a1033b2084ddce96fea99b6 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Sat, 21 Aug 2010 11:09:14 -0400 Subject: drm/radeon/kms: add missing scratch update in dp_detect Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_connectors.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 31a09cd279ab..1a5ee392e9c7 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -999,6 +999,7 @@ static enum drm_connector_status radeon_dp_detect(struct drm_connector *connecto } } + radeon_connector_update_scratch_regs(connector, ret); return ret; } -- cgit v1.2.1 From 04cbe1de6fbda9649a6f25666194e6955d3e717e Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 19 Aug 2010 21:29:43 +0100 Subject: vgaarb: Wrap vga_(get|put) in CONFIG_VGA_ARB Fix link failure without the vga arbitrator. Signed-off-by: Chris Wilson Cc: Dave Airlie Cc: Jesse Barnes Signed-off-by: Dave Airlie --- include/linux/vgaarb.h | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 6228b5b77d35..e9e1524b582c 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -93,8 +93,11 @@ extern void vga_set_legacy_decoding(struct pci_dev *pdev, * Nested calls are supported (a per-resource counter is maintained) */ -extern int vga_get(struct pci_dev *pdev, unsigned int rsrc, - int interruptible); +#if defined(CONFIG_VGA_ARB) +extern int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible); +#else +static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible) { return 0; } +#endif /** * vga_get_interruptible @@ -131,7 +134,11 @@ static inline int vga_get_uninterruptible(struct pci_dev *pdev, * are already locked by another card. It can be called in any context */ +#if defined(CONFIG_VGA_ARB) extern int vga_tryget(struct pci_dev *pdev, unsigned int rsrc); +#else +static inline int vga_tryget(struct pci_dev *pdev, unsigned int rsrc) { return 0; } +#endif /** * vga_put - release lock on legacy VGA resources @@ -146,7 +153,11 @@ extern int vga_tryget(struct pci_dev *pdev, unsigned int rsrc); * released if the counter reaches 0. */ +#if defined(CONFIG_VGA_ARB) extern void vga_put(struct pci_dev *pdev, unsigned int rsrc); +#else +#define vga_put(pdev, rsrc) +#endif /** -- cgit v1.2.1