From: Dillon Varone <dillon.varone@xxxxxxx> [WHY&HOW] Set max VTotal cap for dcn401 because VTotal register is only 16 bits wide on dcn401. Reviewed-by: Chris Park <chris.park@xxxxxxx> Signed-off-by: Dillon Varone <dillon.varone@xxxxxxx> Signed-off-by: Tom Chung <chiahsuan.chung@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c index ec676d269d33..02e63b95c36d 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c @@ -1822,6 +1822,7 @@ static bool dcn401_resource_construct( dc->caps.edp_dsc_support = true; dc->caps.extended_aux_timeout_support = true; dc->caps.dmcub_support = true; + dc->caps.max_v_total = (1 << 15) - 1; if (ASICREV_IS_GC_12_0_1_A0(dc->ctx->asic_id.hw_internal_rev)) dc->caps.dcc_plane_width_limit = 7680; -- 2.34.1
