drm/amd/display: HP Reverb G2 VR fails to light up
authorAric Cyr <aric.cyr@amd.com>
Tue, 1 Dec 2020 16:25:50 +0000 (11:25 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 15 Dec 2020 16:33:39 +0000 (11:33 -0500)
commit570b302ba1ce508dbfa3f1d6c6dc6e2531e45be5
tree73ea0a5e2b0db14c864f6a143d26cf6e05c17ea8
parent41aa4d3ded5cd7fa19cdc5f15fb60b85ed64f083
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>
drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c