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drm/udl: disable fb_defio by default

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There seems to be a bad interaction between gem/shmem and defio on top,
I get list corruption on the page lru in the shmem code.

Turn it off for now until we get some more digging done.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2013-02-07 12:30:25 +10:00
parent e90a4ea534
commit 677d23b70b
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/udl/udl_fb.c
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@ -22,9 +22,9 @@
#include <drm/drm_fb_helper.h>
#define DL_DEFIO_WRITE_DELAY 5 /* fb_deferred_io.delay in jiffies */
#define DL_DEFIO_WRITE_DELAY (HZ/20) /* fb_deferred_io.delay in jiffies */
static int fb_defio = 1; /* Optionally enable experimental fb_defio mmap support */
static int fb_defio = 0; /* Optionally enable experimental fb_defio mmap support */
static int fb_bpp = 16;
module_param(fb_bpp, int, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP);