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authorDave Airlie <airlied@redhat.com>2013-02-07 12:30:25 +1000
committerDave Airlie <airlied@redhat.com>2013-02-08 11:52:08 +1000
commit677d23b70bf949f75746c80cbae92c233c6b5e2a (patch)
treeeaa9a012451a607ce4be5930972f820096c9f6fa /drivers/gpu/drm/udl
parente90a4ea534b110a43df87a05587c53cd78569467 (diff)
drm/udl: disable fb_defio by default
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>
Diffstat (limited to 'drivers/gpu/drm/udl')
-rw-r--r--drivers/gpu/drm/udl/udl_fb.c4
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);