diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-06-19 20:39:59 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2014-06-20 10:57:22 +0100 |
| commit | 113a8b9be9dd7ffbc6f7c713bc40561bdf38e8b0 (patch) | |
| tree | 1a776166dc98018f035ba1758b34ed0d4f9f40b1 /src | |
| parent | df89b4941130b5ff020c6ef3e244dcf5fec45f2a (diff) | |
sna: Mark upload from SHM segment as read-only
As this may be mapped by the Xserver using a read-only SHM segment, we
are forced to treat it always as read-only. And this being X, that it is
using a SHM segment is opaque to the driver. Fantastic middlelayer.
This was incorrectly removed in
commit e680e54eab6ffa72e5e1eb6cc0e3fe4b235b06a1
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Jun 11 10:48:26 2014 +0100
sna: Ignore setting read-only for temporary userptr maps
Also let's not forget the ShmPutImage -> CopyArea path.
Reported-by: Christoph Haag <haagch.christoph@googlemail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=78411
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src')
| -rw-r--r-- | src/sna/sna_accel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index e53f1b8b..d77f4c9a 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -6368,7 +6368,7 @@ discard_cow: src_bo = kgem_create_map(&sna->kgem, src_pixmap->devPrivate.ptr, src_pixmap->devKind * src_pixmap->drawable.height, - false); + true); if (src_bo) { src_bo->pitch = src_pixmap->devKind; kgem_bo_mark_unreusable(src_bo); |