Merge branch 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Just two small fixes for radeon, both destined for stable. * 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: fix wait in radeon_mn_invalidate_range_start drm/radeon: add extra check in radeon_ttm_tt_unpin_userptr
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commit
51b52fac9b
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@ -122,7 +122,6 @@ static void radeon_mn_invalidate_range_start(struct mmu_notifier *mn,
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it = interval_tree_iter_first(&rmn->objects, start, end);
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while (it) {
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struct radeon_bo *bo;
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struct fence *fence;
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int r;
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bo = container_of(it, struct radeon_bo, mn_it);
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@ -134,12 +133,10 @@ static void radeon_mn_invalidate_range_start(struct mmu_notifier *mn,
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continue;
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}
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fence = reservation_object_get_excl(bo->tbo.resv);
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if (fence) {
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r = radeon_fence_wait((struct radeon_fence *)fence, false);
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if (r)
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DRM_ERROR("(%d) failed to wait for user bo\n", r);
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}
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r = reservation_object_wait_timeout_rcu(bo->tbo.resv, true,
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false, MAX_SCHEDULE_TIMEOUT);
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if (r)
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DRM_ERROR("(%d) failed to wait for user bo\n", r);
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radeon_ttm_placement_from_domain(bo, RADEON_GEM_DOMAIN_CPU);
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r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
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@ -598,6 +598,10 @@ static void radeon_ttm_tt_unpin_userptr(struct ttm_tt *ttm)
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enum dma_data_direction direction = write ?
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DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
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/* double check that we don't free the table twice */
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if (!ttm->sg->sgl)
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return;
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/* free the sg table and pages again */
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dma_unmap_sg(rdev->dev, ttm->sg->sgl, ttm->sg->nents, direction);
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