iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon: wait for moving fence after pinning

Browse Source 
commit 4b41726aae563273bb4b4a9462ba51ce4d372f78 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 4577708b2a
commit 4a8e89e0fd
1 changed files with 12 additions and 2 deletions

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

@ -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;
}