drm/amdgpu: add HEVC/H.265 UVD support

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 375759c..2f7a5ef 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -460,6 +460,14 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[])
                min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
                break;
 
+       case 16: /* H265 */
+               image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
+               image_size = ALIGN(image_size, 256);
+
+               num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
+               min_dpb_size = image_size * num_dpb_buffer;
+               break;
+
        default:
                DRM_ERROR("UVD codec not handled %d!\n", stream_type);
                return -EINVAL;