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Code Issues Releases Wiki Activity

drm/amd/display: Fix ODM policy implementation

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[WHY]
Only the leftmost ODM pipe should be offset when scaling. A previous
code change was intended to implement this policy, but a section of code
was overlooked.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org>
This commit is contained in:
Wesley Chalmers 2020-09-08 16:22:25 -04:00 committed by Alex Deucher
parent 099303e9a9
commit 25b3158172
1 changed files with 6 additions and 5 deletions
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11
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
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@ -785,14 +785,15 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx)
/*
* Only the leftmost ODM pipe should be offset by a nonzero distance
*/
if (!pipe_ctx->prev_odm_pipe)
if (!pipe_ctx->prev_odm_pipe) {
data->recout.x = stream->dst.x;
else
data->recout.x = 0;
if (stream->src.x < surf_clip.x)
data->recout.x += (surf_clip.x - stream->src.x) * stream->dst.width
if (stream->src.x < surf_clip.x)
data->recout.x += (surf_clip.x - stream->src.x) * stream->dst.width
/ stream->src.width;
} else
data->recout.x = 0;
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;