drm/msm/dpu: fix CDP setup to account for multirect index

Client driven prefetch (CDP) is properly setup only for SSPP REC0
currently. Enable client driven prefetch also for SSPP REC1.

Signed-off-by: Dmitry Baryshkov <[e-mail]>
Reviewed-by: Abhinav Kumar <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Baryshkov <[e-mail]>

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c

···
 #define SSPP_TRAFFIC_SHAPER                0x130
 #define SSPP_CDP_CNTL                      0x134
 #define SSPP_UBWC_ERROR_STATUS             0x138
+#define SSPP_CDP_CNTL_REC1                 0x13c
 #define SSPP_TRAFFIC_SHAPER_PREFILL        0x150
 #define SSPP_TRAFFIC_SHAPER_REC1_PREFILL   0x154
 #define SSPP_TRAFFIC_SHAPER_REC1           0x158
···
 }
 
 static void dpu_hw_sspp_setup_cdp(struct dpu_hw_pipe *ctx,
-		struct dpu_hw_pipe_cdp_cfg *cfg)
+		struct dpu_hw_pipe_cdp_cfg *cfg,
+		enum dpu_sspp_multirect_index index)
 {
 	u32 idx;
 	u32 cdp_cntl = 0;
+	u32 cdp_cntl_offset = 0;
 
 	if (!ctx || !cfg)
 		return;
 
 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
 		return;
+
+	if (index == DPU_SSPP_RECT_SOLO || index == DPU_SSPP_RECT_0)
+		cdp_cntl_offset = SSPP_CDP_CNTL;
+	else
+		cdp_cntl_offset = SSPP_CDP_CNTL_REC1;
 
 	if (cfg->enable)
 		cdp_cntl |= BIT(0);
···
 	if (cfg->preload_ahead == DPU_SSPP_CDP_PRELOAD_AHEAD_64)
 		cdp_cntl |= BIT(3);
 
-	DPU_REG_WRITE(&ctx->hw, SSPP_CDP_CNTL, cdp_cntl);
+	DPU_REG_WRITE(&ctx->hw, cdp_cntl_offset, cdp_cntl);
 }
 
 static void _setup_layer_ops(struct dpu_hw_pipe *c,

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h

···
 	 * setup_cdp - setup client driven prefetch
 	 * @ctx: Pointer to pipe context
 	 * @cfg: Pointer to cdp configuration
+	 * @index: rectangle index in multirect
 	 */
 	void (*setup_cdp)(struct dpu_hw_pipe *ctx,
-			struct dpu_hw_pipe_cdp_cfg *cfg);
+			struct dpu_hw_pipe_cdp_cfg *cfg,
+			enum dpu_sspp_multirect_index index);
 };
 
 /**

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

···
 					DPU_FORMAT_IS_TILE(fmt);
 			cdp_cfg.preload_ahead = DPU_SSPP_CDP_PRELOAD_AHEAD_64;
 
-			pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, &cdp_cfg);
+			pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, &cdp_cfg, pstate->multirect_index);
 		}
 	}