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Allow to enable atomic in modesetting DDX

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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.

Signed-off-by: Daniel Abrecht <public@danielabrecht.ch>
This commit is contained in:
Daniel Abrecht 2020-10-21 21:13:30 +02:00
parent 1626e9fa77
commit 9c8b815520
1 changed files with 1 additions and 1 deletions
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2
hw/xfree86/drivers/modesetting/driver.c
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@ -1216,7 +1216,7 @@ PreInit(ScrnInfoPtr pScrn, int flags)
}
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;