Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 51f838befb..1ba633fd56 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -40,6 +40,7 @@
 #include <drm/drm_edid.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_panel.h>
+#include <drm/drm_of.h>
 
 /**
  * struct panel_desc - Describes a simple panel.
@@ -549,6 +550,51 @@ static void panel_simple_parse_panel_timing_node(struct device *dev,
 		dev_err(dev, "Reject override mode: No display_timing found\n");
 }
 
+static int panel_simple_override_nondefault_lvds_datamapping(struct device *dev,
+							     struct panel_simple *panel)
+{
+	int ret, bpc;
+
+	ret = drm_of_lvds_get_data_mapping(dev->of_node);
+	if (ret < 0) {
+		if (ret == -EINVAL)
+			dev_warn(dev, "Ignore invalid data-mapping property\n");
+
+		/*
+		 * Ignore non-existing or malformatted property, fallback to
+		 * default data-mapping, and return 0.
+		 */
+		return 0;
+	}
+
+	switch (ret) {
+	default:
+		WARN_ON(1);
+		fallthrough;
+	case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG:
+		fallthrough;
+	case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA:
+		bpc = 8;
+		break;
+	case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
+		bpc = 6;
+	}
+
+	if (panel->desc->bpc != bpc || panel->desc->bus_format != ret) {
+		struct panel_desc *override_desc;
+
+		override_desc = devm_kmemdup(dev, panel->desc, sizeof(*panel->desc), GFP_KERNEL);
+		if (!override_desc)
+			return -ENOMEM;
+
+		override_desc->bus_format = ret;
+		override_desc->bpc = bpc;
+		panel->desc = override_desc;
+	}
+
+	return 0;
+}
+
 static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 {
 	struct panel_simple *panel;
@@ -601,6 +647,13 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 			panel_simple_parse_panel_timing_node(dev, panel, &dt);
 	}
 
+	if (desc->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+		/* Optional data-mapping property for overriding bus format */
+		err = panel_simple_override_nondefault_lvds_datamapping(dev, panel);
+		if (err)
+			goto free_ddc;
+	}
+
 	connector_type = desc->connector_type;
 	/* Catch common mistakes for panels. */
 	switch (connector_type) {
@@ -2826,6 +2879,32 @@ static const struct panel_desc mitsubishi_aa070mc01 = {
 	.bus_flags = DRM_BUS_FLAG_DE_HIGH,
 };
 
+static const struct drm_display_mode mitsubishi_aa084xe01_mode = {
+	.clock = 56234,
+	.hdisplay = 1024,
+	.hsync_start = 1024 + 24,
+	.hsync_end = 1024 + 24 + 63,
+	.htotal = 1024 + 24 + 63 + 1,
+	.vdisplay = 768,
+	.vsync_start = 768 + 3,
+	.vsync_end = 768 + 3 + 6,
+	.vtotal = 768 + 3 + 6 + 1,
+	.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
+static const struct panel_desc mitsubishi_aa084xe01 = {
+	.modes = &mitsubishi_aa084xe01_mode,
+	.num_modes = 1,
+	.bpc = 8,
+	.size = {
+		.width = 1024,
+		.height = 768,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB565_1X16,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE,
+};
+
 static const struct display_timing multi_inno_mi0700s4t_6_timing = {
 	.pixelclock = { 29000000, 33000000, 38000000 },
 	.hactive = { 800, 800, 800 },
@@ -4360,6 +4439,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "mitsubishi,aa070mc01-ca1",
 		.data = &mitsubishi_aa070mc01,
 	}, {
+		.compatible = "mitsubishi,aa084xe01",
+		.data = &mitsubishi_aa084xe01,
+	}, {
 		.compatible = "multi-inno,mi0700s4t-6",
 		.data = &multi_inno_mi0700s4t_6,
 	}, {