From: Dave Airlie Date: Thu, 7 Feb 2013 02:30:25 +0000 (+1000) Subject: drm/udl: disable fb_defio by default X-Git-Tag: v3.4.34~41 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ae4c05e0232e869cf2418ac6c0c862bb5287d672;p=karo-tx-linux.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 9fbb2778716d..f02d223d3947 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -22,9 +22,9 @@ #include "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);