[PATCH v3 25/27] drm/msm/dpu: rework static color fill code

[Dmitry Baryshkov <dmitry.baryshkov@linaro.org>]

Rework static color fill code to separate the pipe / pipe_cfg handling.
This is a preparation for the r_pipe support.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 70 +++++++++++++----------
 1 file changed, 41 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 05047192cb37..e2e85688ed3c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -639,20 +639,54 @@ static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe,
 				fmt);
 }
 
+static int _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate,
+		struct dpu_sw_pipe *pipe,
+		struct dpu_hw_sspp_cfg *old_pipe_cfg,
+		u32 fill_color,
+		const struct dpu_format *fmt)
+{
+	struct dpu_hw_sspp_cfg pipe_cfg;
+
+	/* update sspp */
+	if (!pipe->sspp->ops.setup_solidfill)
+		return 0;
+
+	pipe->sspp->ops.setup_solidfill(pipe, fill_color);
+
+	/* override scaler/decimation if solid fill */
+	pipe_cfg.dst_rect = old_pipe_cfg->dst_rect;
+
+	pipe_cfg.src_rect.x1 = 0;
+	pipe_cfg.src_rect.y1 = 0;
+	pipe_cfg.src_rect.x2 =
+		drm_rect_width(&pipe_cfg.dst_rect);
+	pipe_cfg.src_rect.y2 =
+		drm_rect_height(&pipe_cfg.dst_rect);
+
+	if (pipe->sspp->ops.setup_format)
+		pipe->sspp->ops.setup_format(pipe, fmt, DPU_SSPP_SOLID_FILL);
+
+	if (pipe->sspp->ops.setup_rects)
+		pipe->sspp->ops.setup_rects(pipe, &pipe_cfg);
+
+	_dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg, pstate->rotation);
+
+	return 0;
+}
+
 /**
  * _dpu_plane_color_fill - enables color fill on plane
  * @pdpu:   Pointer to DPU plane object
  * @color:  RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
  * @alpha:  8-bit fill alpha value, 255 selects 100% alpha
- * Returns: 0 on success
  */
-static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
+static void _dpu_plane_color_fill(struct dpu_plane *pdpu,
 		uint32_t color, uint32_t alpha)
 {
 	const struct dpu_format *fmt;
 	const struct drm_plane *plane = &pdpu->base;
 	struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
-	struct dpu_hw_sspp_cfg pipe_cfg;
+	u32 fill_color = (color & 0xFFFFFF) | ((alpha & 0xFF) << 24);
 
 	DPU_DEBUG_PLANE(pdpu, "\n");
 
@@ -661,34 +695,12 @@ static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
 	 * h/w only supports RGB variants
 	 */
 	fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
+	/* should not happen ever */
+	if (!fmt)
+		return;
 
 	/* update sspp */
-	if (fmt && pstate->pipe.sspp->ops.setup_solidfill) {
-		pstate->pipe.sspp->ops.setup_solidfill(&pstate->pipe,
-				(color & 0xFFFFFF) | ((alpha & 0xFF) << 24));
-
-		/* override scaler/decimation if solid fill */
-		pipe_cfg.dst_rect = pstate->base.dst;
-
-		pipe_cfg.src_rect.x1 = 0;
-		pipe_cfg.src_rect.y1 = 0;
-		pipe_cfg.src_rect.x2 =
-			drm_rect_width(&pipe_cfg.dst_rect);
-		pipe_cfg.src_rect.y2 =
-			drm_rect_height(&pipe_cfg.dst_rect);
-
-		if (pstate->pipe.sspp->ops.setup_format)
-			pstate->pipe.sspp->ops.setup_format(&pstate->pipe,
-					fmt, DPU_SSPP_SOLID_FILL);
-
-		if (pstate->pipe.sspp->ops.setup_rects)
-			pstate->pipe.sspp->ops.setup_rects(&pstate->pipe,
-					&pipe_cfg);
-
-		_dpu_plane_setup_scaler(&pstate->pipe, fmt, true, &pipe_cfg, pstate->rotation);
-	}
-
-	return 0;
+	_dpu_plane_color_fill_pipe(pstate, &pstate->pipe, &pstate->pipe_cfg, fill_color, fmt);
 }
 
 int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
-- 
2.39.1