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drm/radeon: wait for moving fence after pinning

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commit 4b41726aae upstream.

We actually need to wait for the moving fence after pinning
the BO to make sure that the pin is completed.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
References: https://lore.kernel.org/dri-devel/20210621151758.2347474-1-daniel.vetter@ffwll.ch/
CC: stable@kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210622114506.106349-2-christian.koenig@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian König
2021-06-21 13:43:05 +02:00
committed by Sasha Levin
parent bcfea2412f
commit 694bb36aa7
1 changed files with 12 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/radeon/radeon_prime.c
View File

@@ -94,9 +94,19 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj)
/* pin buffer into GTT */
ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL);
if (likely(ret == 0))
bo->prime_shared_count++;
if (unlikely(ret))
goto error;
if (bo->tbo.moving) {
ret = dma_fence_wait(bo->tbo.moving, false);
if (unlikely(ret)) {
radeon_bo_unpin(bo);
goto error;
}
}
bo->prime_shared_count++;
error:
radeon_bo_unreserve(bo);
return ret;
}