diff options
author | Dave Airlie <airlied@redhat.com> | 2013-02-07 12:30:25 +1000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-28 05:38:34 -0800 |
commit | 24a12bf7b45cbe990cd93ad36f4115f656ffa494 (patch) | |
tree | c08b4d46c1b6d06be736c137b259524982afc520 | |
parent | e6f2a8be594c1329e71f339d232e1df43e29482b (diff) |
drm/udl: disable fb_defio by default
commit 677d23b70bf949f75746c80cbae92c233c6b5e2a upstream.
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.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index c35880ff220..1eb060cc71d 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -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); |