From: Christian König <christian.koenig@xxxxxxx> 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@xxxxxxx> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> References: https://lore.kernel.org/dri-devel/20210621151758.2347474-1-daniel.vetter@xxxxxxxx/ CC: stable@xxxxxxxxxx Link: https://patchwork.freedesktop.org/patch/msgid/20210622114506.106349-2-christian.koenig@xxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/radeon/radeon_prime.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index 7110d403322c..c138e07f51a3 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -92,9 +92,19 @@ 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; } -- 2.30.2
