drm/amdgpu: fix IB alignment for UVD

commit c4795ca642b8bd76b5b6ffba41ba909543273d43 upstream.

According to the hw team, it should be 16, not 8.

Cc: Peter Fang <peter.fang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 4488e82f87b01475a43a789280c6f809452530df..a5c824078472637aad30ce3c13f3e879a539c7f2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -227,7 +227,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
                        type = AMD_IP_BLOCK_TYPE_UVD;
                        ring_mask = adev->uvd.ring.ready ? 1 : 0;
                        ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
-                       ib_size_alignment = 8;
+                       ib_size_alignment = 16;
                        break;
                case AMDGPU_HW_IP_VCE:
                        type = AMD_IP_BLOCK_TYPE_VCE;