drm/msm/dpu: enable compression bit in cfg2 for DSC

Enable compression bit in cfg2 register for DSC in the DSI case
per hardware version.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/596231/
Link: https://lore.kernel.org/r/20240530-msm-drm-dsc-dsi-video-upstream-4-v6-3-2ab1d334c657@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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

@@ -307,7 +307,8 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
 
 	spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
 	phys_enc->hw_intf->ops.setup_timing_gen(phys_enc->hw_intf,
-			&timing_params, fmt);
+			&timing_params, fmt,
+			phys_enc->dpu_kms->catalog->mdss_ver);
 	phys_enc->hw_ctl->ops.setup_intf_cfg(phys_enc->hw_ctl, &intf_cfg);
 
 	/* setup which pp blk will connect to this intf */

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

@@ -98,7 +98,8 @@
 
 static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *intf,
 		const struct dpu_hw_intf_timing_params *p,
-		const struct msm_format *fmt)
+		const struct msm_format *fmt,
+		const struct dpu_mdss_version *mdss_ver)
 {
 	struct dpu_hw_blk_reg_map *c = &intf->hw;
 	u32 hsync_period, vsync_period;
@@ -177,6 +178,11 @@ static void dpu_hw_intf_setup_timing_engine(struct dpu_hw_intf *intf,
 	if (p->wide_bus_en && !dp_intf)
 		data_width = p->width >> 1;
 
+	/* TODO: handle DSC+DP case, we only handle DSC+DSI case so far */
+	if (p->compression_en && !dp_intf &&
+	    mdss_ver->core_major_ver >= 7)
+		intf_cfg2 |= INTF_CFG2_DCE_DATA_COMPRESS;
+
 	hsync_data_start_x = hsync_start_x;
 	hsync_data_end_x =  hsync_start_x + data_width - 1;
 

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

@@ -81,7 +81,8 @@ struct dpu_hw_intf_cmd_mode_cfg {
 struct dpu_hw_intf_ops {
 	void (*setup_timing_gen)(struct dpu_hw_intf *intf,
 			const struct dpu_hw_intf_timing_params *p,
-			const struct msm_format *fmt);
+			const struct msm_format *fmt,
+			const struct dpu_mdss_version *mdss_ver);
 
 	void (*setup_prg_fetch)(struct dpu_hw_intf *intf,
 			const struct dpu_hw_intf_prog_fetch *fetch);