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Merge tag 'drm-intel-fixes-2016-12-01' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes

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2 intel fixes.

* tag 'drm-intel-fixes-2016-12-01' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915: drop the struct_mutex when wedged or trying to reset
  drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error
This commit is contained in:
Dave Airlie 2016-12-04 06:31:26 +10:00
commit ab7cd8d83e
2 changed files with 5 additions and 3 deletions
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5
drivers/gpu/drm/i915/i915_gem.c
View file

@ -2268,7 +2268,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
page = shmem_read_mapping_page(mapping, i); page = shmem_read_mapping_page(mapping, i);
if (IS_ERR(page)) { if (IS_ERR(page)) {
ret = PTR_ERR(page); ret = PTR_ERR(page);
goto err_pages; goto err_sg;
} }
} }
#ifdef CONFIG_SWIOTLB #ifdef CONFIG_SWIOTLB
@ -2311,8 +2311,9 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
return 0; return 0;
err_pages: err_sg:
sg_mark_end(sg); sg_mark_end(sg);
err_pages:
for_each_sgt_page(page, sgt_iter, st) for_each_sgt_page(page, sgt_iter, st)
put_page(page); put_page(page);
sg_free_table(st); sg_free_table(st);

3
drivers/gpu/drm/i915/intel_display.c
View file

@ -12260,7 +12260,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
intel_crtc->reset_count = i915_reset_count(&dev_priv->gpu_error); intel_crtc->reset_count = i915_reset_count(&dev_priv->gpu_error);
if (i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) { if (i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) {
ret = -EIO; ret = -EIO;
goto cleanup; goto unlock;
} }
atomic_inc(&intel_crtc->unpin_work_count); atomic_inc(&intel_crtc->unpin_work_count);
@ -12352,6 +12352,7 @@ cleanup_unpin:
intel_unpin_fb_obj(fb, crtc->primary->state->rotation); intel_unpin_fb_obj(fb, crtc->primary->state->rotation);
cleanup_pending: cleanup_pending:
atomic_dec(&intel_crtc->unpin_work_count); atomic_dec(&intel_crtc->unpin_work_count);
unlock:
mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->struct_mutex);
cleanup: cleanup:
crtc->primary->fb = old_fb; crtc->primary->fb = old_fb;