diff options
| author | Bing Guo <bing.guo@amd.com> | 2021-07-20 00:24:06 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-06 03:02:29 +0200 |
| commit | 06050a0f01dbac2ca33145ef19a72041206ea983 (patch) | |
| tree | 78e16df4883f29ea916bfffb03931c8e68a4d74f /drivers/gpu | |
| parent | drm/amd/display: Assume LTTPR interop for DCN31+ (diff) | |
| download | linux-06050a0f01dbac2ca33145ef19a72041206ea983.tar.xz linux-06050a0f01dbac2ca33145ef19a72041206ea983.zip | |
drm/amd/display: Fix Dynamic bpp issue with 8K30 with Navi 1X
Why:
In DCN2x, HW doesn't automatically divide MASTER_UPDATE_LOCK_DB_X
by the number of pipes ODM Combined.
How:
Set MASTER_UPDATE_LOCK_DB_X to the value that is adjusted by the
number of pipes ODM Combined.
Reviewed-by: Martin Leung <martin.leung@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Bing Guo <bing.guo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c index 7fa9fc656b0c..f6e747f25ebe 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c @@ -464,7 +464,7 @@ void optc2_lock_doublebuffer_enable(struct timing_generator *optc) REG_UPDATE_2(OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_X, - h_blank_start - 200 - 1, + (h_blank_start - 200 - 1) / optc1->opp_count, MASTER_UPDATE_LOCK_DB_Y, v_blank_start - 1); } |