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