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authorDmytro Laktyushkin2017-03-08 19:45:33 +0100
committerAlex Deucher2017-09-26 23:18:57 +0200
commitc802570ed5a679c3c58fdde4b23d494bd884efc9 (patch)
tree28c8f2b59e4956e6b83897ae7f236c330bb48902 /drivers/gpu/drm/amd/display/dc/core/dc_resource.c
parentdrm/amd/display: Less log spam (diff)
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drm/amd/display: fix incorrect vp adjustment
Viewport would be incorrectly adjusted when surface was used for multiple displays Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_resource.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_resource.c20
1 files changed, 16 insertions, 4 deletions
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 01f15052bebf..6119973c7f0a 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -494,6 +494,7 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip
const struct dc_surface *surface = &pipe_ctx->surface->public;
struct core_stream *stream = pipe_ctx->stream;
struct rect clip = surface->clip_rect;
+ int recout_full_x, recout_full_y;
pipe_ctx->scl_data.recout.x = stream->public.dst.x;
if (stream->public.src.x < clip.x)
@@ -533,10 +534,21 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip
pipe_ctx->scl_data.recout.width /= 2;
}
- recout_skip->width = pipe_ctx->scl_data.recout.x - stream->public.dst.x -
- surface->dst_rect.x * stream->public.dst.width / stream->public.src.width;
- recout_skip->height = pipe_ctx->scl_data.recout.y - stream->public.dst.y -
- surface->dst_rect.y * stream->public.dst.height / stream->public.src.height;
+ /* Unclipped recout offset = stream dst offset + ((surf dst offset - stream src offset)
+ * * 1/ stream scaling ratio) - (surf src offset * 1/ full scl
+ * ratio)
+ */
+ recout_full_x = stream->public.dst.x + (surface->dst_rect.x - stream->public.src.x)
+ * stream->public.dst.width / stream->public.src.width -
+ surface->src_rect.x * surface->dst_rect.width / surface->src_rect.width
+ * stream->public.dst.width / stream->public.src.width;
+ recout_full_y = stream->public.dst.y + (surface->dst_rect.y - stream->public.src.y)
+ * stream->public.dst.height / stream->public.src.height -
+ surface->src_rect.y * surface->dst_rect.height / surface->src_rect.height
+ * stream->public.dst.height / stream->public.src.height;
+
+ recout_skip->width = pipe_ctx->scl_data.recout.x - recout_full_x;
+ recout_skip->height = pipe_ctx->scl_data.recout.y - recout_full_y;
}
static void calculate_scaling_ratios(struct pipe_ctx *pipe_ctx)