From 601b1b459d937aa219e671bb99734a04d55bc553 Mon Sep 17 00:00:00 2001
|
From: Jeffy Chen <jeffy.chen@rock-chips.com>
|
Date: Wed, 12 Jan 2022 11:42:19 +0800
|
Subject: [PATCH 5/5] HACK: Bypass drmGetBusid and drmAuthMagic by default
|
|
A few versions of Mali GBM winsys would try to call those APIs.
|
|
Set env "DRM_ALLOW_GET_BUSID" and "DRM_ALLOW_AUTH_MAGIC" to enable them.
|
|
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
|
---
|
xf86drm.c | 6 ++++++
|
1 file changed, 6 insertions(+)
|
|
diff --git a/xf86drm.c b/xf86drm.c
|
index c681da4..de8a678 100644
|
--- a/xf86drm.c
|
+++ b/xf86drm.c
|
@@ -1440,6 +1440,9 @@ drm_public char *drmGetBusid(int fd)
|
{
|
drm_unique_t u;
|
|
+ if (!getenv("DRM_ALLOW_GET_BUSID"))
|
+ return strdup("");
|
+
|
memclear(u);
|
|
if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u))
|
@@ -1498,6 +1501,9 @@ drm_public int drmAuthMagic(int fd, drm_magic_t magic)
|
{
|
drm_auth_t auth;
|
|
+ if (!getenv("DRM_ALLOW_AUTH_MAGIC"))
|
+ return 0;
|
+
|
memclear(auth);
|
auth.magic = magic;
|
if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth))
|
--
|
2.20.1
|
