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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
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@@ -1,23 +1,20 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2014 NVIDIA Corporation
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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5
 
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-#include <linux/backlight.h>
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+#include <linux/delay.h>
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 #include <linux/gpio/consumer.h>
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 #include <linux/module.h>
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 #include <linux/of.h>
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 #include <linux/regulator/consumer.h>
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11
 
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-#include <drm/drmP.h>
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+#include <video/mipi_display.h>
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+
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 #include <drm/drm_crtc.h>
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+#include <drm/drm_device.h>
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 #include <drm/drm_mipi_dsi.h>
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 #include <drm/drm_panel.h>
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-
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-#include <video/mipi_display.h>
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18
 
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 struct sharp_panel {
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 	struct drm_panel base;
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@@ -25,7 +22,6 @@
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 	struct mipi_dsi_device *link1;
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 	struct mipi_dsi_device *link2;
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24
 
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-	struct backlight_device *backlight;
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 	struct regulator *supply;
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26
 
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 	bool prepared;
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@@ -95,8 +91,6 @@
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91
 
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 	if (!sharp->enabled)
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 		return 0;
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-
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-	backlight_disable(sharp->backlight);
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 	sharp->enabled = false;
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96
 
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@@ -260,8 +254,6 @@
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 	if (sharp->enabled)
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 		return 0;
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-	backlight_enable(sharp->backlight);
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-
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 	sharp->enabled = true;
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 	return 0;
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@@ -277,27 +269,27 @@
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 	.vsync_start = 1600 + 4,
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 	.vsync_end = 1600 + 4 + 8,
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 	.vtotal = 1600 + 4 + 8 + 32,
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-	.vrefresh = 60,
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 };
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273
 
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-static int sharp_panel_get_modes(struct drm_panel *panel)
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+static int sharp_panel_get_modes(struct drm_panel *panel,
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+				 struct drm_connector *connector)
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 {
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 	struct drm_display_mode *mode;
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278
 
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-	mode = drm_mode_duplicate(panel->drm, &default_mode);
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+	mode = drm_mode_duplicate(connector->dev, &default_mode);
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 	if (!mode) {
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-		dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
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+		dev_err(panel->dev, "failed to add mode %ux%ux@%u\n",
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 			default_mode.hdisplay, default_mode.vdisplay,
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-			default_mode.vrefresh);
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+			drm_mode_vrefresh(&default_mode));
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 		return -ENOMEM;
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 	}
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286
 
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 	drm_mode_set_name(mode);
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288
 
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-	drm_mode_probed_add(panel->connector, mode);
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+	drm_mode_probed_add(connector, mode);
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290
 
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-	panel->connector->display_info.width_mm = 217;
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-	panel->connector->display_info.height_mm = 136;
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+	connector->display_info.width_mm = 217;
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+	connector->display_info.height_mm = 136;
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293
 
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 	return 1;
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 }
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@@ -318,7 +310,7 @@
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310
 
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 static int sharp_panel_add(struct sharp_panel *sharp)
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 {
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-	struct device *dev = &sharp->link1->dev;
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+	int ret;
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 	sharp->mode = &default_mode;
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@@ -326,16 +318,16 @@
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 	if (IS_ERR(sharp->supply))
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 		return PTR_ERR(sharp->supply);
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-	sharp->backlight = devm_of_find_backlight(dev);
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+	drm_panel_init(&sharp->base, &sharp->link1->dev, &sharp_panel_funcs,
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+		       DRM_MODE_CONNECTOR_DSI);
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323
 
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-	if (IS_ERR(sharp->backlight))
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-		return PTR_ERR(sharp->backlight);
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+	ret = drm_panel_of_backlight(&sharp->base);
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+	if (ret)
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+		return ret;
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-	drm_panel_init(&sharp->base);
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-	sharp->base.funcs = &sharp_panel_funcs;
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-	sharp->base.dev = &sharp->link1->dev;
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+	drm_panel_add(&sharp->base);
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-	return drm_panel_add(&sharp->base);
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+	return 0;
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 }
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 static void sharp_panel_del(struct sharp_panel *sharp)
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@@ -410,7 +402,7 @@
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 		return 0;
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 	}
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-	err = sharp_panel_disable(&sharp->base);
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+	err = drm_panel_disable(&sharp->base);
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 	if (err < 0)
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 		dev_err(&dsi->dev, "failed to disable panel: %d\n", err);
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@@ -431,7 +423,7 @@
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 	if (!sharp)
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 		return;
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-	sharp_panel_disable(&sharp->base);
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+	drm_panel_disable(&sharp->base);
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 }
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 static struct mipi_dsi_driver sharp_panel_driver = {