1 files changed, 164 insertions, 61 deletions

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 5d487686d25c..e14c14ac62b5 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -21,7 +21,6 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-#include <linux/backlight.h>
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
@@ -105,7 +104,6 @@ struct panel_simple {
 
 	const struct panel_desc *desc;
 
-	struct backlight_device *backlight;
 	struct regulator *supply;
 	struct i2c_adapter *ddc;
 
@@ -119,10 +117,9 @@ static inline struct panel_simple *to_panel_simple(struct drm_panel *panel)
 	return container_of(panel, struct panel_simple, base);
 }
 
-static unsigned int panel_simple_get_timings_modes(struct panel_simple *panel)
+static unsigned int panel_simple_get_timings_modes(struct panel_simple *panel,
+						   struct drm_connector *connector)
 {
-	struct drm_connector *connector = panel->base.connector;
-	struct drm_device *drm = panel->base.drm;
 	struct drm_display_mode *mode;
 	unsigned int i, num = 0;
 
@@ -131,9 +128,9 @@ static unsigned int panel_simple_get_timings_modes(struct panel_simple *panel)
 		struct videomode vm;
 
 		videomode_from_timing(dt, &vm);
-		mode = drm_mode_create(drm);
+		mode = drm_mode_create(connector->dev);
 		if (!mode) {
-			dev_err(drm->dev, "failed to add mode %ux%u\n",
+			dev_err(panel->base.dev, "failed to add mode %ux%u\n",
 				dt->hactive.typ, dt->vactive.typ);
 			continue;
 		}
@@ -152,19 +149,18 @@ static unsigned int panel_simple_get_timings_modes(struct panel_simple *panel)
 	return num;
 }
 
-static unsigned int panel_simple_get_display_modes(struct panel_simple *panel)
+static unsigned int panel_simple_get_display_modes(struct panel_simple *panel,
+						   struct drm_connector *connector)
 {
-	struct drm_connector *connector = panel->base.connector;
-	struct drm_device *drm = panel->base.drm;
 	struct drm_display_mode *mode;
 	unsigned int i, num = 0;
 
 	for (i = 0; i < panel->desc->num_modes; i++) {
 		const struct drm_display_mode *m = &panel->desc->modes[i];
 
-		mode = drm_mode_duplicate(drm, m);
+		mode = drm_mode_duplicate(connector->dev, m);
 		if (!mode) {
-			dev_err(drm->dev, "failed to add mode %ux%u@%u\n",
+			dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n",
 				m->hdisplay, m->vdisplay, m->vrefresh);
 			continue;
 		}
@@ -183,10 +179,9 @@ static unsigned int panel_simple_get_display_modes(struct panel_simple *panel)
 	return num;
 }
 
-static int panel_simple_get_non_edid_modes(struct panel_simple *panel)
+static int panel_simple_get_non_edid_modes(struct panel_simple *panel,
+					   struct drm_connector *connector)
 {
-	struct drm_connector *connector = panel->base.connector;
-	struct drm_device *drm = panel->base.drm;
 	struct drm_display_mode *mode;
 	bool has_override = panel->override_mode.type;
 	unsigned int num = 0;
@@ -195,18 +190,19 @@ static int panel_simple_get_non_edid_modes(struct panel_simple *panel)
 		return 0;
 
 	if (has_override) {
-		mode = drm_mode_duplicate(drm, &panel->override_mode);
+		mode = drm_mode_duplicate(connector->dev,
+					  &panel->override_mode);
 		if (mode) {
 			drm_mode_probed_add(connector, mode);
 			num = 1;
 		} else {
-			dev_err(drm->dev, "failed to add override mode\n");
+			dev_err(panel->base.dev, "failed to add override mode\n");
 		}
 	}
 
 	/* Only add timings if override was not there or failed to validate */
 	if (num == 0 && panel->desc->num_timings)
-		num = panel_simple_get_timings_modes(panel);
+		num = panel_simple_get_timings_modes(panel, connector);
 
 	/*
 	 * Only add fixed modes if timings/override added no mode.
@@ -216,7 +212,7 @@ static int panel_simple_get_non_edid_modes(struct panel_simple *panel)
 	 */
 	WARN_ON(panel->desc->num_timings && panel->desc->num_modes);
 	if (num == 0)
-		num = panel_simple_get_display_modes(panel);
+		num = panel_simple_get_display_modes(panel, connector);
 
 	connector->display_info.bpc = panel->desc->bpc;
 	connector->display_info.width_mm = panel->desc->size.width;
@@ -236,12 +232,6 @@ static int panel_simple_disable(struct drm_panel *panel)
 	if (!p->enabled)
 		return 0;
 
-	if (p->backlight) {
-		p->backlight->props.power = FB_BLANK_POWERDOWN;
-		p->backlight->props.state |= BL_CORE_FBBLANK;
-		backlight_update_status(p->backlight);
-	}
-
 	if (p->desc->delay.disable)
 		msleep(p->desc->delay.disable);
 
@@ -307,34 +297,30 @@ static int panel_simple_enable(struct drm_panel *panel)
 	if (p->desc->delay.enable)
 		msleep(p->desc->delay.enable);
 
-	if (p->backlight) {
-		p->backlight->props.state &= ~BL_CORE_FBBLANK;
-		p->backlight->props.power = FB_BLANK_UNBLANK;
-		backlight_update_status(p->backlight);
-	}
-
 	p->enabled = true;
 
 	return 0;
 }
 
-static int panel_simple_get_modes(struct drm_panel *panel)
+static int panel_simple_get_modes(struct drm_panel *panel,
+				  struct drm_connector *connector)
 {
 	struct panel_simple *p = to_panel_simple(panel);
 	int num = 0;
 
 	/* probe EDID if a DDC bus is available */
 	if (p->ddc) {
-		struct edid *edid = drm_get_edid(panel->connector, p->ddc);
-		drm_connector_update_edid_property(panel->connector, edid);
+		struct edid *edid = drm_get_edid(connector, p->ddc);
+
+		drm_connector_update_edid_property(connector, edid);
 		if (edid) {
-			num += drm_add_edid_modes(panel->connector, edid);
+			num += drm_add_edid_modes(connector, edid);
 			kfree(edid);
 		}
 	}
 
 	/* add hard-coded panel modes */
-	num += panel_simple_get_non_edid_modes(p);
+	num += panel_simple_get_non_edid_modes(p, connector);
 
 	return num;
 }
@@ -414,9 +400,9 @@ static void panel_simple_parse_panel_timing_node(struct device *dev,
 
 static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 {
-	struct device_node *backlight, *ddc;
 	struct panel_simple *panel;
 	struct display_timing dt;
+	struct device_node *ddc;
 	int err;
 
 	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
@@ -442,24 +428,13 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 		return err;
 	}
 
-	backlight = of_parse_phandle(dev->of_node, "backlight", 0);
-	if (backlight) {
-		panel->backlight = of_find_backlight_by_node(backlight);
-		of_node_put(backlight);
-
-		if (!panel->backlight)
-			return -EPROBE_DEFER;
-	}
-
 	ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0);
 	if (ddc) {
 		panel->ddc = of_find_i2c_adapter_by_node(ddc);
 		of_node_put(ddc);
 
-		if (!panel->ddc) {
-			err = -EPROBE_DEFER;
-			goto free_backlight;
-		}
+		if (!panel->ddc)
+			return -EPROBE_DEFER;
 	}
 
 	if (!of_get_display_timing(dev->of_node, "panel-timing", &dt))
@@ -468,6 +443,10 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 	drm_panel_init(&panel->base, dev, &panel_simple_funcs,
 		       desc->connector_type);
 
+	err = drm_panel_of_backlight(&panel->base);
+	if (err)
+		goto free_ddc;
+
 	err = drm_panel_add(&panel->base);
 	if (err < 0)
 		goto free_ddc;
@@ -479,9 +458,6 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
 free_ddc:
 	if (panel->ddc)
 		put_device(&panel->ddc->dev);
-free_backlight:
-	if (panel->backlight)
-		put_device(&panel->backlight->dev);
 
 	return err;
 }
@@ -491,16 +467,12 @@ static int panel_simple_remove(struct device *dev)
 	struct panel_simple *panel = dev_get_drvdata(dev);
 
 	drm_panel_remove(&panel->base);
-
-	panel_simple_disable(&panel->base);
-	panel_simple_unprepare(&panel->base);
+	drm_panel_disable(&panel->base);
+	drm_panel_unprepare(&panel->base);
 
 	if (panel->ddc)
 		put_device(&panel->ddc->dev);
 
-	if (panel->backlight)
-		put_device(&panel->backlight->dev);
-
 	return 0;
 }
 
@@ -508,8 +480,8 @@ static void panel_simple_shutdown(struct device *dev)
 {
 	struct panel_simple *panel = dev_get_drvdata(dev);
 
-	panel_simple_disable(&panel->base);
-	panel_simple_unprepare(&panel->base);
+	drm_panel_disable(&panel->base);
+	drm_panel_unprepare(&panel->base);
 }
 
 static const struct drm_display_mode ampire_am_480272h3tmqw_t01h_mode = {
@@ -657,6 +629,35 @@ static const struct panel_desc auo_b101xtn01 = {
 	},
 };
 
+static const struct drm_display_mode auo_b116xak01_mode = {
+	.clock = 69300,
+	.hdisplay = 1366,
+	.hsync_start = 1366 + 48,
+	.hsync_end = 1366 + 48 + 32,
+	.htotal = 1366 + 48 + 32 + 10,
+	.vdisplay = 768,
+	.vsync_start = 768 + 4,
+	.vsync_end = 768 + 4 + 6,
+	.vtotal = 768 + 4 + 6 + 15,
+	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc auo_b116xak01 = {
+	.modes = &auo_b116xak01_mode,
+	.num_modes = 1,
+	.bpc = 6,
+	.size = {
+		.width = 256,
+		.height = 144,
+	},
+	.delay = {
+		.hpd_absent_delay = 200,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+	.connector_type = DRM_MODE_CONNECTOR_eDP,
+};
+
 static const struct drm_display_mode auo_b116xw03_mode = {
 	.clock = 70589,
 	.hdisplay = 1366,
@@ -1036,6 +1037,38 @@ static const struct panel_desc boe_nv101wxmn51 = {
 	},
 };
 
+static const struct drm_display_mode boe_nv140fhmn49_modes[] = {
+	{
+		.clock = 148500,
+		.hdisplay = 1920,
+		.hsync_start = 1920 + 48,
+		.hsync_end = 1920 + 48 + 32,
+		.htotal = 2200,
+		.vdisplay = 1080,
+		.vsync_start = 1080 + 3,
+		.vsync_end = 1080 + 3 + 5,
+		.vtotal = 1125,
+		.vrefresh = 60,
+	},
+};
+
+static const struct panel_desc boe_nv140fhmn49 = {
+	.modes = boe_nv140fhmn49_modes,
+	.num_modes = ARRAY_SIZE(boe_nv140fhmn49_modes),
+	.bpc = 6,
+	.size = {
+		.width = 309,
+		.height = 174,
+	},
+	.delay = {
+		.prepare = 210,
+		.enable = 50,
+		.unprepare = 160,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+	.connector_type = DRM_MODE_CONNECTOR_eDP,
+};
+
 static const struct drm_display_mode cdtech_s043wq26h_ct7_mode = {
 	.clock = 9000,
 	.hdisplay = 480,
@@ -2061,6 +2094,40 @@ static const struct drm_display_mode mitsubishi_aa070mc01_mode = {
 	.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,
@@ -2547,6 +2614,30 @@ static const struct panel_desc samsung_ltn140at29_301 = {
 	},
 };
 
+static const struct display_timing satoz_sat050at40h12r2_timing = {
+	.pixelclock = {33300000, 33300000, 50000000},
+	.hactive = {800, 800, 800},
+	.hfront_porch = {16, 210, 354},
+	.hback_porch = {46, 46, 46},
+	.hsync_len = {1, 1, 40},
+	.vactive = {480, 480, 480},
+	.vfront_porch = {7, 22, 147},
+	.vback_porch = {23, 23, 23},
+	.vsync_len = {1, 1, 20},
+};
+
+static const struct panel_desc satoz_sat050at40h12r2 = {
+	.timings = &satoz_sat050at40h12r2_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 108,
+		.height = 65,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.connector_type = DRM_MODE_CONNECTOR_LVDS,
+};
+
 static const struct drm_display_mode sharp_ld_d5116z01b_mode = {
 	.clock = 168480,
 	.hdisplay = 1920,
@@ -3120,6 +3211,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "auo,b101xtn01",
 		.data = &auo_b101xtn01,
 	}, {
+		.compatible = "auo,b116xa01",
+		.data = &auo_b116xak01,
+	}, {
 		.compatible = "auo,b116xw03",
 		.data = &auo_b116xw03,
 	}, {
@@ -3162,6 +3256,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "boe,nv101wxmn51",
 		.data = &boe_nv101wxmn51,
 	}, {
+		.compatible = "boe,nv140fhmn49",
+		.data = &boe_nv140fhmn49,
+	}, {
 		.compatible = "cdtech,s043wq26h-ct7",
 		.data = &cdtech_s043wq26h_ct7,
 	}, {
@@ -3288,6 +3385,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "lg,lp129qe",
 		.data = &lg_lp129qe,
 	}, {
+		.compatible = "logicpd,type28",
+		.data = &logicpd_type_28,
+	}, {
 		.compatible = "mitsubishi,aa070mc01-ca1",
 		.data = &mitsubishi_aa070mc01,
 	}, {
@@ -3348,6 +3448,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "samsung,ltn140at29-301",
 		.data = &samsung_ltn140at29_301,
 	}, {
+		.compatible = "satoz,sat050at40h12r2",
+		.data = &satoz_sat050at40h12r2,
+	}, {
 		.compatible = "sharp,ld-d5116z01b",
 		.data = &sharp_ld_d5116z01b,
 	}, {