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authorAric Cyr <aric.cyr@amd.com>2020-12-01 19:25:50 +0300
committerAlex Deucher <alexander.deucher@amd.com>2020-12-15 19:33:39 +0300
commit570b302ba1ce508dbfa3f1d6c6dc6e2531e45be5 (patch)
tree73ea0a5e2b0db14c864f6a143d26cf6e05c17ea8 /drivers/gpu/drm/amd/display/dc/dce120
parent41aa4d3ded5cd7fa19cdc5f15fb60b85ed64f083 (diff)
downloadlinux-570b302ba1ce508dbfa3f1d6c6dc6e2531e45be5.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce120')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c2
1 files changed, 1 insertions, 1 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;
}