[Why]
Update clock only when non-seamless boot stream exists
creates regression on multiple scenerios.
[How]
Update clock in two conditions
1. Non-seamless boot stream exist.
2. Stream_count = 0
Fixes:06f9b1475d98("drm/amd/display: update clock
when non-seamless boot stream exist")
Signed-off-by: Lewis Huang <Lewis.Huang@xxxxxxx>
Acked-by: Qingqing Zhuo <Qingqing.zhuo@xxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 1efc823c2a14..7e74ddc1c708 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1286,7 +1286,8 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
dc->optimize_seamless_boot_streams++;
}
- if (context->stream_count > dc->optimize_seamless_boot_streams)
+ if (context->stream_count > dc->optimize_seamless_boot_streams ||
+ context->stream_count == 0)
dc->hwss.prepare_bandwidth(dc, context);
disable_dangling_plane(dc, context);
@@ -1368,7 +1369,8 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
dc_enable_stereo(dc, context, dc_streams, context->stream_count);
- if (context->stream_count > dc->optimize_seamless_boot_streams) {
+ if (context->stream_count > dc->optimize_seamless_boot_streams ||
+ context->stream_count == 0) {
/* Must wait for no flips to be pending before doing optimize bw */
wait_for_no_pipes_pending(dc, context);
/* pplib is notified if disp_num changed */
--
2.17.1
