Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c
index ad47cc9..bf5fcc3 100644
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -197,7 +197,6 @@
 static int panel_lvds_probe(struct platform_device *pdev)
 {
 	struct panel_lvds *lvds;
-	struct device_node *np;
 	int ret;
 
 	lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL);
@@ -243,14 +242,9 @@
 		return ret;
 	}
 
-	np = of_parse_phandle(lvds->dev->of_node, "backlight", 0);
-	if (np) {
-		lvds->backlight = of_find_backlight_by_node(np);
-		of_node_put(np);
-
-		if (!lvds->backlight)
-			return -EPROBE_DEFER;
-	}
+	lvds->backlight = devm_of_find_backlight(lvds->dev);
+	if (IS_ERR(lvds->backlight))
+		return PTR_ERR(lvds->backlight);
 
 	/*
 	 * TODO: Handle all power supplies specified in the DT node in a generic
@@ -266,14 +260,10 @@
 
 	ret = drm_panel_add(&lvds->panel);
 	if (ret < 0)
-		goto error;
+		return ret;
 
 	dev_set_drvdata(lvds->dev, lvds);
 	return 0;
-
-error:
-	put_device(&lvds->backlight->dev);
-	return ret;
 }
 
 static int panel_lvds_remove(struct platform_device *pdev)
@@ -284,9 +274,6 @@
 
 	panel_lvds_disable(&lvds->panel);
 
-	if (lvds->backlight)
-		put_device(&lvds->backlight->dev);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
index b5b14aa..bdb4d59 100644
--- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
@@ -426,6 +426,7 @@
 		return PTR_ERR(ts->dsi);
 	}
 
+	drm_panel_init(&ts->base);
 	ts->base.dev = dev;
 	ts->base.funcs = &rpi_touchscreen_funcs;
 
@@ -452,7 +453,6 @@
 	drm_panel_remove(&ts->base);
 
 	mipi_dsi_device_unregister(ts->dsi);
-	kfree(ts->dsi);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 28fa6ba..f0ea782 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1935,7 +1935,7 @@
 static const struct panel_desc lg_lb070wv8 = {
 	.modes = &lg_lb070wv8_mode,
 	.num_modes = 1,
-	.bpc = 16,
+	.bpc = 8,
 	.size = {
 		.width = 151,
 		.height = 91,
@@ -2048,6 +2048,40 @@
 	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
 };
 
+static const struct drm_display_mode logicpd_type_28_mode = {
+	.clock = 9000,
+	.hdisplay = 480,
+	.hsync_start = 480 + 3,
+	.hsync_end = 480 + 3 + 42,
+	.htotal = 480 + 3 + 42 + 2,
+
+	.vdisplay = 272,
+	.vsync_start = 272 + 2,
+	.vsync_end = 272 + 2 + 11,
+	.vtotal = 272 + 2 + 11 + 3,
+	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
+static const struct panel_desc logicpd_type_28 = {
+	.modes = &logicpd_type_28_mode,
+	.num_modes = 1,
+	.bpc = 8,
+	.size = {
+		.width = 105,
+		.height = 67,
+	},
+	.delay = {
+		.prepare = 200,
+		.enable = 200,
+		.unprepare = 200,
+		.disable = 200,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE |
+		     DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
+};
+
 static const struct panel_desc mitsubishi_aa070mc01 = {
 	.modes = &mitsubishi_aa070mc01_mode,
 	.num_modes = 1,
@@ -2348,12 +2382,12 @@
 static const struct panel_desc ortustech_com43h4m85ulc = {
 	.modes = &ortustech_com43h4m85ulc_mode,
 	.num_modes = 1,
-	.bpc = 8,
+	.bpc = 6,
 	.size = {
 		.width = 56,
 		.height = 93,
 	},
-	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
 };
 
@@ -3265,6 +3299,9 @@
 		.compatible = "lg,lp129qe",
 		.data = &lg_lp129qe,
 	}, {
+		.compatible = "logicpd,type28",
+		.data = &logicpd_type_28,
+	}, {
 		.compatible = "mitsubishi,aa070mc01-ca1",
 		.data = &mitsubishi_aa070mc01,
 	}, {
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 5e3e92e..3b2612a 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -381,6 +381,7 @@
 	spi_set_drvdata(spi, ctx);
 	ctx->spi = spi;
 
+	drm_panel_init(&ctx->panel);
 	ctx->panel.dev = &spi->dev;
 	ctx->panel.funcs = &st7789v_drm_funcs;