[RFC PATCH v2 02/13] drm/msm/dpu: take plane rotation into account for wide planes

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Take into account the plane rotation and flipping when calculating src
positions for the wide plane parts.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 27 ++++++++++++++---------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 2e63eb0a2f3f..d43e04fc4578 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -887,16 +887,6 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 		return -EINVAL;
 	}
 
-	pipe_cfg->src_rect = new_plane_state->src;
-
-	/* state->src is 16.16, src_rect is not */
-	pipe_cfg->src_rect.x1 >>= 16;
-	pipe_cfg->src_rect.x2 >>= 16;
-	pipe_cfg->src_rect.y1 >>= 16;
-	pipe_cfg->src_rect.y2 >>= 16;
-
-	pipe_cfg->dst_rect = new_plane_state->dst;
-
 	fb_rect.x2 = new_plane_state->fb->width;
 	fb_rect.y2 = new_plane_state->fb->height;
 
@@ -912,6 +902,15 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 
 	max_linewidth = pdpu->catalog->caps->max_linewidth;
 
+	/* state->src is 16.16, src_rect is not */
+	drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src);
+
+	pipe_cfg->dst_rect = new_plane_state->dst;
+
+	drm_rect_rotate(&pipe_cfg->src_rect,
+			new_plane_state->fb->width, new_plane_state->fb->height,
+			new_plane_state->rotation);
+
 	if (drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) {
 		/*
 		 * In parallel multirect case only the half of the usual width
@@ -959,6 +958,14 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 		r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2;
 	}
 
+	drm_rect_rotate_inv(&pipe_cfg->src_rect,
+			    new_plane_state->fb->width, new_plane_state->fb->height,
+			    new_plane_state->rotation);
+	if (r_pipe->sspp)
+		drm_rect_rotate_inv(&r_pipe_cfg->src_rect,
+				    new_plane_state->fb->width, new_plane_state->fb->height,
+				    new_plane_state->rotation);
+
 	ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg, fmt);
 	if (ret)
 		return ret;
-- 
2.30.2




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