diff options
| author | Lewis Huang <Lewis.Huang@amd.com> | 2020-09-17 00:13:11 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-23 00:37:20 +0300 |
| commit | 12dbd1f7578feb51bc95e5a90eb617889cc0b04e (patch) | |
| tree | 4fa2dd3c1d600b5d712a8fda42a845db300740f8 /drivers/gpu/drm/amd/display/dc/core/dc.c | |
| parent | 3a83d33e18f3f61657528ae017581a4d697a88cd (diff) | |
| download | linux-12dbd1f7578feb51bc95e5a90eb617889cc0b04e.tar.xz | |
drm/amd/display: [FIX] update clock under two conditions
[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: 598c13b21e25 ("drm/amd/display: update clock when non-seamless boot stream exist")
Signed-off-by: Lewis Huang <Lewis.Huang@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Qingqing Zhuo <Qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 6 |
1 files 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 */ |