1 files changed, 38 insertions, 8 deletions

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 340da8257b51..3b4065099872 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -29,6 +29,7 @@
  */
 
 #include <linux/bitfield.h>
+#include <linux/cec.h>
 #include <linux/hdmi.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
@@ -123,6 +124,9 @@ static const struct edid_quirk {
 	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
 	EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
 
+	/* BenQ GW2765 */
+	EDID_QUIRK('B', 'N', 'Q', 0x78d6, EDID_QUIRK_FORCE_8BPC),
+
 	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
 	EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),
 
@@ -2305,7 +2309,8 @@ int drm_edid_override_connector_update(struct drm_connector *connector)
 
 	override = drm_edid_override_get(connector);
 	if (override) {
-		num_modes = drm_edid_connector_update(connector, override);
+		if (drm_edid_connector_update(connector, override) == 0)
+			num_modes = drm_edid_connector_add_modes(connector);
 
 		drm_edid_free(override);
 
@@ -3110,7 +3115,7 @@ drm_monitor_supports_rb(const struct drm_edid *drm_edid)
 		return ret;
 	}
 
-	return ((drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
+	return drm_edid_is_digital(drm_edid);
 }
 
 static void
@@ -3496,11 +3501,19 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connecto
 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
 	mode->vtotal = mode->vdisplay + vblank;
 
-	/* Some EDIDs have bogus h/vtotal values */
-	if (mode->hsync_end > mode->htotal)
-		mode->htotal = mode->hsync_end + 1;
-	if (mode->vsync_end > mode->vtotal)
-		mode->vtotal = mode->vsync_end + 1;
+	/* Some EDIDs have bogus h/vsync_end values */
+	if (mode->hsync_end > mode->htotal) {
+		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] reducing hsync_end %d->%d\n",
+			    connector->base.id, connector->name,
+			    mode->hsync_end, mode->htotal);
+		mode->hsync_end = mode->htotal;
+	}
+	if (mode->vsync_end > mode->vtotal) {
+		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] reducing vsync_end %d->%d\n",
+			    connector->base.id, connector->name,
+			    mode->vsync_end, mode->vtotal);
+		mode->vsync_end = mode->vtotal;
+	}
 
 	drm_mode_do_interlace_quirk(mode, pt);
 
@@ -6192,6 +6205,8 @@ drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
 
 	info->is_hdmi = true;
 
+	info->source_physical_address = (db[4] << 8) | db[5];
+
 	if (len >= 6)
 		info->dvi_dual = db[6] & 1;
 	if (len >= 7)
@@ -6470,6 +6485,8 @@ static void drm_reset_display_info(struct drm_connector *connector)
 	info->vics_len = 0;
 
 	info->quirks = 0;
+
+	info->source_physical_address = CEC_PHYS_ADDR_INVALID;
 }
 
 static void update_displayid_info(struct drm_connector *connector,
@@ -6519,7 +6536,7 @@ static void update_display_info(struct drm_connector *connector,
 	if (edid->revision < 3)
 		goto out;
 
-	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
+	if (!drm_edid_is_digital(drm_edid))
 		goto out;
 
 	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
@@ -7335,3 +7352,16 @@ static void _drm_update_tile_info(struct drm_connector *connector,
 		connector->tile_group = NULL;
 	}
 }
+
+/**
+ * drm_edid_is_digital - is digital?
+ * @drm_edid: The EDID
+ *
+ * Return true if input is digital.
+ */
+bool drm_edid_is_digital(const struct drm_edid *drm_edid)
+{
+	return drm_edid && drm_edid->edid &&
+		drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL;
+}
+EXPORT_SYMBOL(drm_edid_is_digital);