disp: msm: dsi: Update mode population logic for POMS feature

This change adds support to populate one command mode for
video mode panels supporting panel operating mode switch
feature.

Change-Id: I850b889ebfa8c2ee1406ad946061b96143537b09
Signed-off-by: Lipsa Rout <[email protected]>
Signed-off-by: Satya Rama Aditya Pinapala <[email protected]>

msm/dsi/dsi_display.c

@@ -6224,9 +6224,16 @@ int dsi_display_get_modes(struct dsi_display *display,
 		}
 		end = array_idx;
 		/*
-		 * if dynamic clk switch is supported then update all the bit
-		 * clk rates.
+		 * if POMS is enabled and boot up mode is video mode,
+		 * skip bit clk rates update for command mode,
+		 * else if dynamic clk switch is supported then update all
+		 * the bit clk rates.
 		 */
+
+		if (is_cmd_mode &&
+			(display->panel->panel_mode == DSI_OP_VIDEO_MODE))
+			continue;
+
 		_dsi_display_populate_bit_clks(display, start, end, &array_idx);
 	}
 

msm/dsi/dsi_panel.c

@@ -3478,9 +3478,20 @@ int dsi_panel_get_mode_count(struct dsi_panel *panel)
 	num_bit_clks = !panel->dyn_clk_caps.dyn_clk_support ? 1 :
 					panel->dyn_clk_caps.bit_clk_list_len;
 
-	/* Inflate num_of_modes by fps and bit clks in dfps */
-	panel->num_display_modes = (num_cmd_modes * num_bit_clks) +
-			(num_video_modes * num_bit_clks * num_dfps_rates);
+	/*
+	 * Inflate num_of_modes by fps and bit clks in dfps.
+	 * Single command mode for video mode panels supporting
+	 * panel operating mode switch.
+	 */
+	num_video_modes = num_video_modes * num_bit_clks * num_dfps_rates;
+
+	if ((panel->panel_mode == DSI_OP_VIDEO_MODE) &&
+			(panel->panel_mode_switch_enabled))
+		num_cmd_modes  = 1;
+	else
+		num_cmd_modes = num_cmd_modes * num_bit_clks;
+
+	panel->num_display_modes = num_video_modes + num_cmd_modes;
 
 error:
 	return rc;