From: Aric Cyr <aric.cyr@xxxxxxx> [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@xxxxxxx> Reviewed-by: Charlene Liu <Charlene.Liu@xxxxxxx> Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx> Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c | 2 +- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 2 +- 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; } -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
