diff options
| author | Aric Cyr <aric.cyr@amd.com> | 2020-12-01 11:25:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-15 11:33:39 -0500 |
| commit | 570b302ba1ce508dbfa3f1d6c6dc6e2531e45be5 (patch) | |
| tree | 73ea0a5e2b0db14c864f6a143d26cf6e05c17ea8 | |
| parent | 41aa4d3ded5cd7fa19cdc5f15fb60b85ed64f083 (diff) | |
| download | linux-570b302ba1ce508dbfa3f1d6c6dc6e2531e45be5.tar.bz2 | |
drm/amd/display: HP Reverb G2 VR fails to light up
[Why]
Many VR headsets require a HSYNC width of 4, but DCN
has default minimum of 8.
[How]
Change the arbitrary minimum HSYNC width to 4 to match
DCN20.
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c index 82bc4e192bbf..915fbb8e8168 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c @@ -1268,7 +1268,7 @@ void dce120_timing_generator_construct( tg110->min_h_front_porch = 0; tg110->min_h_back_porch = 0; - tg110->min_h_sync_width = 8; + tg110->min_h_sync_width = 4; tg110->min_v_sync_width = 1; tg110->min_v_blank = 3; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index a125d3f05c81..48ccdcc17ede 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -1540,7 +1540,7 @@ void dcn10_timing_generator_init(struct optc *optc1) optc1->min_h_blank = 32; optc1->min_v_blank = 3; optc1->min_v_blank_interlace = 5; - optc1->min_h_sync_width = 8; + optc1->min_h_sync_width = 4; optc1->min_v_sync_width = 1; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c index b1f228fc119a..3ba3991ee612 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c @@ -350,7 +350,7 @@ void dcn30_timing_generator_init(struct optc *optc1) optc1->min_h_blank = 32; optc1->min_v_blank = 3; optc1->min_v_blank_interlace = 5; - optc1->min_h_sync_width = 8; + optc1->min_h_sync_width = 4; optc1->min_v_sync_width = 1; } |