From: Gerd Hoffmann kraxel@redhat.com
commit 6be7e07335486f5731cab748d80c68f20896581f upstream.
virtio-gpu uses cached mappings, set drm_gem_shmem_object.map_cached accordingly.
Cc: stable@vger.kernel.org Fixes: c66df701e783 ("drm/virtio: switch from ttm to gem shmem helpers") Reported-by: Gurchetan Singh gurchetansingh@chromium.org Reported-by: Guillaume Gardet Guillaume.Gardet@arm.com Signed-off-by: Gerd Hoffmann kraxel@redhat.com Reviewed-by: Gurchetan Singh gurchetansingh@chromium.org Tested-by: Guillaume Gardet Guillaume.Gardet@arm.com Link: http://patchwork.freedesktop.org/patch/msgid/20200226154752.24328-3-kraxel@r... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/virtio/virtgpu_object.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -99,6 +99,7 @@ struct drm_gem_object *virtio_gpu_create return NULL;
bo->base.base.funcs = &virtio_gpu_gem_funcs; + bo->base.map_cached = true; return &bo->base.base; }