disp: msm: dsi: add generic API for calculating horizontal timings

Add a generic API which calculates the horizontal timings based
on the compression type in case compression is enabled and even
for non-compression cases.

Replace the usage of the DSC macros with this generic API.

Change-Id: Ie9174c20adc51a0be7c9127529d41faa4b473b55
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>

msm/dsi/dsi_ctrl.c

@@ -913,7 +913,7 @@ static int dsi_ctrl_update_link_freqs(struct dsi_ctrl *dsi_ctrl,
 		do_div(bit_rate, dsi_transfer_time_us);
 		bit_rate = bit_rate * num_of_lanes;
 	} else {
-		h_period = DSI_H_TOTAL_DSC(timing);
+		h_period = dsi_h_total_dce(timing);
 		v_period = DSI_V_TOTAL(timing);
 		bit_rate = h_period * v_period * timing->refresh_rate * bpp;
 	}

msm/dsi/dsi_defs.h

@@ -16,29 +16,6 @@
 #define DSI_V_TOTAL(t) (((t)->v_active) + ((t)->v_back_porch) + \
 			((t)->v_sync_width) + ((t)->v_front_porch))
 
-#define DSI_H_TOTAL_DSC(t) \
-	({\
-		u64 value;\
-		if ((t)->dsc_enabled && (t)->dsc)\
-			value = (t)->dsc->pclk_per_line;\
-		else\
-			value = (t)->h_active;\
-		value = value + (t)->h_back_porch + (t)->h_sync_width +\
-			(t)->h_front_porch;\
-		value;\
-	})
-
-#define DSI_H_ACTIVE_DSC(t) \
-	({\
-		u64 value;\
-		if ((t)->dsc_enabled && (t)->dsc)\
-			value = (t)->dsc->pclk_per_line;\
-		else\
-			value = (t)->h_active;\
-		value;\
-	})
-
-
 #define DSI_DEBUG_NAME_LEN		32
 #define display_for_each_ctrl(index, display) \
 	for (index = 0; (index < (display)->ctrl_count) &&\
@@ -726,4 +703,25 @@ static inline int dsi_pixel_format_to_bpp(enum dsi_pixel_format fmt)
 	}
 	return 24;
 }
+
+static inline u64 dsi_h_active_dce(struct dsi_mode_info *mode)
+{
+	u64 h_active = 0;
+
+	if (mode->dsc_enabled && mode->dsc)
+		h_active = mode->dsc->pclk_per_line;
+	else if (mode->vdc_enabled && mode->vdc)
+		h_active = mode->vdc->pclk_per_line;
+	else
+		h_active = mode->h_active;
+
+	return h_active;
+}
+
+static inline u64 dsi_h_total_dce(struct dsi_mode_info *mode)
+{
+	return dsi_h_active_dce(mode) + mode->h_back_porch +
+		mode->h_sync_width + mode->h_front_porch;
+}
+
 #endif /* _DSI_DEFS_H_ */

msm/dsi/dsi_display.c

@@ -3964,7 +3964,7 @@ static void _dsi_display_calc_pipe_delay(struct dsi_display *display,
 	hr_bit_to_esc_ratio = ((dsi_ctrl->clk_freq.byte_clk_rate * 4 * 1000) /
 					esc_clk_rate_hz);
 
-	hsync_period = DSI_H_TOTAL_DSC(&mode->timing);
+	hsync_period = dsi_h_total_dce(&mode->timing);
 	delay->pipe_delay = (hsync_period + 1) / pclk_to_esc_ratio;
 	if (!display->panel->video_config.eof_bllp_lp11_en)
 		delay->pipe_delay += (17 / pclk_to_esc_ratio) +
@@ -4367,7 +4367,7 @@ static int dsi_display_get_dfps_timing(struct dsi_display *display,
 		rc = dsi_display_dfps_calc_front_porch(
 				curr_refresh_rate,
 				timing->refresh_rate,
-				DSI_H_TOTAL_DSC(timing),
+				dsi_h_total_dce(timing),
 				DSI_V_TOTAL(timing),
 				timing->v_front_porch,
 				&adj_mode->timing.v_front_porch);
@@ -4378,7 +4378,7 @@ static int dsi_display_get_dfps_timing(struct dsi_display *display,
 				curr_refresh_rate,
 				timing->refresh_rate,
 				DSI_V_TOTAL(timing),
-				DSI_H_TOTAL_DSC(timing),
+				dsi_h_total_dce(timing),
 				timing->h_front_porch,
 				&adj_mode->timing.h_front_porch);
 		if (!rc)

msm/dsi/dsi_panel.c

@@ -2195,7 +2195,7 @@ static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode,
 		 *  function dsi_panel_calc_dsi_transfer_time( )
 		 *  as we set it based on dsi clock or mdp transfer time.
 		 */
-		pixel_clk_khz = (DSI_H_TOTAL_DSC(&mode->timing) *
+		pixel_clk_khz = (dsi_h_total_dce(&mode->timing) *
 				DSI_V_TOTAL(&mode->timing) *
 				mode->timing.refresh_rate);
 		do_div(pixel_clk_khz, 1000);
@@ -3504,7 +3504,7 @@ void dsi_panel_calc_dsi_transfer_time(struct dsi_host_common_cfg *config,
 		min_bitclk_hz = (bits_per_line * timing->v_active *
 					timing->refresh_rate);
 	} else {
-		total_active_pixels = ((DSI_H_ACTIVE_DSC(timing)
+		total_active_pixels = ((dsi_h_active_dce(timing)
 					* timing->v_active));
 		/* calculate the actual bitclk needed to transfer the frame */
 		min_bitclk_hz = (total_active_pixels * (timing->refresh_rate) *

msm/dsi/dsi_phy_timing_calc.c

@@ -661,7 +661,7 @@ int dsi_phy_hw_calculate_timing_params(struct dsi_phy_hw *phy,
 	struct phy_timing_ops *ops = phy->ops.timing_ops;
 
 	memset(&desc, 0x0, sizeof(desc));
-	h_total = DSI_H_TOTAL_DSC(mode);
+	h_total = dsi_h_total_dce(mode);
 	v_total = DSI_V_TOTAL(mode);
 
 	bpp = bits_per_pixel[host->dst_format];