Commit 3a4837fb authored Apr 22, 2020 by Sung Lee Committed by Alex Deucher Apr 28, 2020

drm/amd/display: Change viewport limit to 12 for DCN2



[WHY & HOW]
Viewport limit was set to 16 pixels due to an issue with MPO
on small viewports. This restriction does not apply and the
viewport limit can now be lowered.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent b8a8d34b

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1064,8 +1064,8 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)

		calculate_viewport(pipe_ctx);

		if (pipe_ctx->plane_res.scl_data.viewport.height < 16 \|\|
		pipe_ctx->plane_res.scl_data.viewport.width < 16) {
		if (pipe_ctx->plane_res.scl_data.viewport.height < 12 \|\|
		pipe_ctx->plane_res.scl_data.viewport.width < 12) {
		if (store_h_border_left) {
		restore_border_left_from_dst(pipe_ctx,
		store_h_border_left);