From: Dmytro Laktyushkin <[email protected]>

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: Dmytro Laktyushkin <[email protected]>
Reviewed-by: Hersen Wu <[email protected]>
Acked-by: Qingqing Zhuo <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index d49a8b3e5137..998d87b852a7 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -825,6 +825,8 @@ 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;
@@ -833,6 +835,8 @@ 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)
-- 
2.17.1

_______________________________________________
amd-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Reply via email to