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

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[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>
This commit is contained in:
Sung Lee 2020-04-22 18:07:55 -04:00 committed by Alex Deucher
parent b8a8d34b10
commit 3a4837fb3c
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
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@ -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);