Commit 84aef2ab authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
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drm/amd/display: fix recout calculation for left side clip 



Recout calculation does not corrrectly handle plane
clip rect that extends beyond the left most border
of stream source rect. This change adds handling by
truncating the invisible clip rect.

Signed-off-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: default avatarHersen Wu <hersenxs.wu@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a5a00117

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

+4 −0
Original line number Diff line number Diff line
@@ -823,6 +823,8 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx) 
	} else

		data->recout.x = 0;



	if (stream->src.x > surf_clip.x)

		surf_clip.width -= stream->src.x - surf_clip.x;

	data->recout.width = surf_clip.width * stream->dst.width / stream->src.width;

	if (data->recout.width + data->recout.x > stream->dst.x + stream->dst.width)

		data->recout.width = stream->dst.x + stream->dst.width - data->recout.x;
@@ -831,6 +833,8 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx) 
	if (stream->src.y < surf_clip.y)

		data->recout.y += (surf_clip.y - stream->src.y) * stream->dst.height

						/ stream->src.height;

	else if (stream->src.y > surf_clip.y)

		surf_clip.height -= stream->src.y - surf_clip.y;



	data->recout.height = surf_clip.height * stream->dst.height / stream->src.height;

	if (data->recout.height + data->recout.y > stream->dst.y + stream->dst.height)