When selecting the engine, return an error if the GPU doesn't have UVD.
Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/radeon_cs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index dfb5a1d..fa7839b 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -145,7 +145,10 @@ static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority } break; case RADEON_CS_RING_UVD: - p->ring = R600_RING_TYPE_UVD_INDEX; + if (p->rdev->has_uvd) + p->ring = R600_RING_TYPE_UVD_INDEX; + else + return -EINVAL; break; } return 0;