From 6e2988c88939fdd70e6a456bdd7ad65fcdcf97c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
Date: Sat, 13 Mar 2021 12:25:43 +0100
Subject: [PATCH] drm/uapi: Add USB connector type
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[ Upstream commit 757e26712337be6be70f7405c38cc0639957eedc ]

Add a connector type for USB connected display panels.

Some examples of what current userspace will name the connector:
- Weston: "UNNAMED-%d"
- Mutter: "Unknown20-%d"
- X: "Unknown20-%d"

v2:
- Update drm_connector_enum_list
- Add examples to commit message

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210313112545.37527-2-noralf@tronnes.org
---
 drivers/gpu/drm/drm_connector.c | 1 +
 include/uapi/drm/drm_mode.h     | 1 +
 2 files changed, 2 insertions(+)

--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -94,6 +94,7 @@ static struct drm_conn_prop_enum_list dr
 	{ DRM_MODE_CONNECTOR_DPI, "DPI" },
 	{ DRM_MODE_CONNECTOR_WRITEBACK, "Writeback" },
 	{ DRM_MODE_CONNECTOR_SPI, "SPI" },
+	{ DRM_MODE_CONNECTOR_USB, "USB" },
 };
 
 void drm_connector_ida_init(void)
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -367,6 +367,7 @@ enum drm_mode_subconnector {
 #define DRM_MODE_CONNECTOR_DPI		17
 #define DRM_MODE_CONNECTOR_WRITEBACK	18
 #define DRM_MODE_CONNECTOR_SPI		19
+#define DRM_MODE_CONNECTOR_USB		20
 
 struct drm_mode_get_connector {
 
