drm/panel/ili9881: logging

6by9 · Sep 19, 2024 · 918b301 · 918b301
1 parent 1f4c3f6
commit 918b301
Showing 1 changed file with 22 additions and 6 deletions.
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1719,25 +1719,32 @@ static int ili9881c_prepare(struct drm_panel *panel)
 						      instr->arg.cmd.data);
 
 		if (ret)
-			return ret;
+			pr_err("instr %u failed\n", i);
+		//	return ret;
 	}
 
 	ret = ili9881c_switch_page(ctx, 0);
 	if (ret)
-		return ret;
+		pr_err("ili9881c_switch_page failed\n");
+	//	return ret;
 
 	ret = mipi_dsi_dcs_set_tear_on(ctx->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
 	if (ret)
-		return ret;
+		pr_err("mipi_dsi_dcs_set_tear_on failed\n");
+	//	return ret;
 
 	ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi);
 	if (ret)
-		return ret;
+		pr_err("mipi_dsi_dcs_exit_sleep_mode failed\n");
+	//	return ret;
 
 	if (ctx->desc->flags & ILI9881_FLAGS_PANEL_ON_IN_PREPARE) {
 		msleep(120);
 
 		ret = mipi_dsi_dcs_set_display_on(ctx->dsi);
+		if (ret)
+			pr_err("mipi_dsi_dcs_set_display_on failed\n");
+
 	}
 
 	return 0;
@@ -1769,13 +1776,22 @@ static int ili9881c_disable(struct drm_panel *panel)
 static int ili9881c_unprepare(struct drm_panel *panel)
 {
 	struct ili9881c *ctx = panel_to_ili9881c(panel);
+	int ret = 0;
+
+	msleep(50);
 
 	if (!(ctx->desc->flags & ILI9881_FLAGS_NO_SHUTDOWN_CMDS)) {
 		if (ctx->desc->flags & ILI9881_FLAGS_PANEL_ON_IN_PREPARE)
-			mipi_dsi_dcs_set_display_off(ctx->dsi);
+			ret = mipi_dsi_dcs_set_display_off(ctx->dsi);
+		if (ret)
+			pr_err("mipi_dsi_dcs_set_display_off failed\n");
+		msleep(50);
 
-		mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
+		ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
+		if (ret)
+			pr_err("mipi_dsi_dcs_enter_sleep_mode failed\n");
 	}
+	msleep(100);
 
 	regulator_disable(ctx->power);
 	gpiod_set_value_cansleep(ctx->reset, 1);