From: jsg <jsg@openbsd.org>
Date: Mon, 11 Apr 2022 03:41:03 +0000 (+0000)
Subject: drm/edid: Don't clear formats if using deep color
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=d503be4ad6ecc5e68eed9ff673d8d441763b29e9;p=openbsd

drm/edid: Don't clear formats if using deep color

From Maxime Ripard
19da408ab41c984d49c55582b265645b964b6619 in linux 5.15.y/5.15.33
75478b3b393bcbdca4e6da76fe3a9f1a4133ec5d in mainline linux
---

diff --git a/sys/dev/pci/drm/drm_edid.c b/sys/dev/pci/drm/drm_edid.c
index 9e5ad501ffc..19b3c1d79a1 100644
--- a/sys/dev/pci/drm/drm_edid.c
+++ b/sys/dev/pci/drm/drm_edid.c
@@ -5047,16 +5047,8 @@ static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
 		  connector->name, dc_bpc);
 	info->bpc = dc_bpc;
 
-	/*
-	 * Deep color support mandates RGB444 support for all video
-	 * modes and forbids YCRCB422 support for all video modes per
-	 * HDMI 1.3 spec.
-	 */
-	info->color_formats = DRM_COLOR_FORMAT_RGB444;
-
 	/* YCRCB444 is optional according to spec. */
 	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
-		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
 		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
 			  connector->name);
 	}