From 570b302ba1ce508dbfa3f1d6c6dc6e2531e45be5 Mon Sep 17 00:00:00 2001 From: Aric Cyr Date: Tue, 1 Dec 2020 11:25:50 -0500 Subject: 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 Reviewed-by: Charlene Liu Reviewed-by: Jun Lei Acked-by: Qingqing Zhuo Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/display/dc/dcn10') 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; } -- cgit v1.2.3