[Mesa-dev] [PATCH] radeon/uvd: uv pitch separation for stoney

[Alex Deucher]

From: Boyuan Zhang <boyuan.zhang at amd.com>

v2: set the behaviour default for future ASICs.

Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
Reviewed-by: Leo Liu <leo.liu at amd.com>
Cc: mesa-stable at lists.freedesktop.org
---
 src/gallium/drivers/radeon/radeon_uvd.c | 2 ++
 src/gallium/drivers/radeon/radeon_uvd.h | 5 ++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c
index 0c643e5..6ea07be 100644
--- a/src/gallium/drivers/radeon/radeon_uvd.c
+++ b/src/gallium/drivers/radeon/radeon_uvd.c
@@ -958,6 +958,8 @@ static void ruvd_end_frame(struct pipe_video_codec *decoder,
 	dec->msg->body.decode.db_pitch = dec->base.width;
 
 	dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target);
+	if (((struct r600_common_screen*)dec->screen)->family >= CHIP_STONEY)
+		dec->msg->body.decode.dt_wa_chroma_top_offset = dec->msg->body.decode.dt_pitch / 2;
 
 	switch (u_reduce_video_profile(picture->profile)) {
 	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
diff --git a/src/gallium/drivers/radeon/radeon_uvd.h b/src/gallium/drivers/radeon/radeon_uvd.h
index 9cc0a69..88013bd 100644
--- a/src/gallium/drivers/radeon/radeon_uvd.h
+++ b/src/gallium/drivers/radeon/radeon_uvd.h
@@ -394,7 +394,10 @@ struct ruvd_msg {
 			uint32_t	dt_chroma_top_offset;
 			uint32_t	dt_chroma_bottom_offset;
 			uint32_t	dt_surf_tile_config;
-			uint32_t	dt_reserved[3];
+			uint32_t	dt_uv_surf_tile_config;
+			// re-use dt_wa_chroma_top_offset as dt_ext_info for UV pitch in stoney
+			uint32_t	dt_wa_chroma_top_offset;
+			uint32_t	dt_wa_chroma_bottom_offset;
 
 			uint32_t	reserved[16];
 
-- 
1.8.3.1