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From 8f50f62cf9030d1839e23a7f1ff9688dec2063e4 Mon Sep 17 00:00:00 2001
From: Daniel Abrecht <public@danielabrecht.ch>
Date: Wed, 21 Oct 2020 21:13:30 +0200
Subject: [PATCH] Allow to enable atomic in modesetting DDX
The linux kernel blacklisted atomic for the modesetting DDX to deal with
problems with old Xorg versions which didn't have it disabled by default.
Ever since, it wasn't possible to enable atomic in modesetting at all
anymore.
This change doesn't enable atomic by default, but it allows a user to
enabled it again.
Upstream-Status: Pending
Signed-off-by: Daniel Abrecht <public@danielabrecht.ch>
---
hw/xfree86/drivers/modesetting/driver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/xfree86/drivers/modesetting/driver.c b/hw/xfree86/drivers/modesetting/driver.c
index 535f49d..58a1c67 100644
--- a/hw/xfree86/drivers/modesetting/driver.c
+++ b/hw/xfree86/drivers/modesetting/driver.c
@@ -1236,7 +1236,7 @@ PreInit(ScrnInfoPtr pScrn, int flags)
ms->atomic_modeset_capable = (ret == 0);
if (xf86ReturnOptValBool(ms->drmmode.Options, OPTION_ATOMIC, FALSE)) {
- ret = drmSetClientCap(ms->fd, DRM_CLIENT_CAP_ATOMIC, 1);
+ ret = drmSetClientCap(ms->fd, DRM_CLIENT_CAP_ATOMIC, 2);
ms->atomic_modeset = (ret == 0);
} else {
ms->atomic_modeset = FALSE;
--
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