radeon/uvd: fix field handling on R6XX style UVD

The first UVD generation can only do frame based output.

Signed-off-by: Christian König <christian.koenig@amd.com>

diff --git a/src/gallium/drivers/radeon/radeon_video.c b/src/gallium/drivers/radeon/radeon_video.c
index 17e9a59d81d768d4a22e8570998cb141d9e6d093..6dcee453348de664de1bf9eb11487f8ad38313de 100644 (file)
--- a/src/gallium/drivers/radeon/radeon_video.c
+++ b/src/gallium/drivers/radeon/radeon_video.c
@@ -251,8 +251,11 @@ int rvid_get_video_param(struct pipe_screen *screen,
                               profile != PIPE_VIDEO_PROFILE_VC1_MAIN;
                case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
                case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
-                       /* and MPEG2 only with shaders */
-                       return codec != PIPE_VIDEO_FORMAT_MPEG12;
+                       /* MPEG2 only with shaders and no support for
+                          interlacing on R6xx style UVD */
+                       return codec != PIPE_VIDEO_FORMAT_MPEG12 &&
+                              /* TODO: RV770 might actually work */
+                              rscreen->family > CHIP_RV770;
                default:
                        break;
                }