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Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

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Pull drm fixes from Dave Airlie:
 "I didn't want these to wait for stable cycle.

  The nouveau and radeon ones are the same problem, where the runtime pm
  stuff broke non-runtime pm managed secondary GPUs.

  The udl fix is for an oops on unplug, and the i915 fix is for a
  regression on Sandybridge even though it may break haswell (regression
  wins)"

Daniel Vetter comments:
 "My apologies for the i915 regression fumble, that thing somehow fell
  through the cracks here for almost half a year :( Imo that's more than
  enough flailing to just go ahead with the revert, and the re-broken
  hsw should get peoples attention ..."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/i915: Undo gtt scratch pte unmapping again
  drm/radeon: fix runtime suspend breaking secondary GPUs
  drm/nouveau: fail runtime pm properly.
  drm/udl: take reference to device struct for dma-bufs
This commit is contained in:
Linus Torvalds 2014-03-28 10:58:10 -07:00
commit 1fac1fa965
4 changed files with 31 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -842,7 +842,7 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev)
dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
dev_priv->gtt.base.start / PAGE_SIZE,
dev_priv->gtt.base.total / PAGE_SIZE,
false);
true);
}
void i915_gem_restore_gtt_mappings(struct drm_device *dev)

14
drivers/gpu/drm/nouveau/nouveau_drm.c
View File

@ -866,13 +866,16 @@ static int nouveau_pmops_runtime_suspend(struct device *dev)
struct drm_device *drm_dev = pci_get_drvdata(pdev);
int ret;
if (nouveau_runtime_pm == 0)
return -EINVAL;
if (nouveau_runtime_pm == 0) {
pm_runtime_forbid(dev);
return -EBUSY;
}
/* are we optimus enabled? */
if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
return -EINVAL;
pm_runtime_forbid(dev);
return -EBUSY;
}
nv_debug_level(SILENT);
@ -923,12 +926,15 @@ static int nouveau_pmops_runtime_idle(struct device *dev)
struct nouveau_drm *drm = nouveau_drm(drm_dev);
struct drm_crtc *crtc;
if (nouveau_runtime_pm == 0)
if (nouveau_runtime_pm == 0) {
pm_runtime_forbid(dev);
return -EBUSY;
}
/* are we optimus enabled? */
if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
pm_runtime_forbid(dev);
return -EBUSY;
}

17
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -403,11 +403,15 @@ static int radeon_pmops_runtime_suspend(struct device *dev)
struct drm_device *drm_dev = pci_get_drvdata(pdev);
int ret;
if (radeon_runtime_pm == 0)
return -EINVAL;
if (radeon_runtime_pm == 0) {
pm_runtime_forbid(dev);
return -EBUSY;
}
if (radeon_runtime_pm == -1 && !radeon_is_px())
return -EINVAL;
if (radeon_runtime_pm == -1 && !radeon_is_px()) {
pm_runtime_forbid(dev);
return -EBUSY;
}
drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
drm_kms_helper_poll_disable(drm_dev);
@ -456,12 +460,15 @@ static int radeon_pmops_runtime_idle(struct device *dev)
struct drm_device *drm_dev = pci_get_drvdata(pdev);
struct drm_crtc *crtc;
if (radeon_runtime_pm == 0)
if (radeon_runtime_pm == 0) {
pm_runtime_forbid(dev);
return -EBUSY;
}
/* are we PX enabled? */
if (radeon_runtime_pm == -1 && !radeon_is_px()) {
DRM_DEBUG_DRIVER("failing to power off - not px\n");
pm_runtime_forbid(dev);
return -EBUSY;
}

11
drivers/gpu/drm/udl/udl_gem.c
View File

@ -177,8 +177,10 @@ void udl_gem_free_object(struct drm_gem_object *gem_obj)
if (obj->vmapping)
udl_gem_vunmap(obj);
if (gem_obj->import_attach)
if (gem_obj->import_attach) {
drm_prime_gem_destroy(gem_obj, obj->sg);
put_device(gem_obj->dev->dev);
}
if (obj->pages)
udl_gem_put_pages(obj);
@ -256,9 +258,12 @@ struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev,
int ret;
/* need to attach */
get_device(dev->dev);
attach = dma_buf_attach(dma_buf, dev->dev);
if (IS_ERR(attach))
if (IS_ERR(attach)) {
put_device(dev->dev);
return ERR_CAST(attach);
}
get_dma_buf(dma_buf);
@ -282,6 +287,6 @@ fail_unmap:
fail_detach:
dma_buf_detach(dma_buf, attach);
dma_buf_put(dma_buf);
put_device(dev->dev);
return ERR_PTR(ret);
}