diff options
author | Alan Cox <alan@linux.intel.com> | 2011-11-29 22:27:10 (GMT) |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2011-12-06 09:55:38 (GMT) |
commit | 9242fe23d2ebab9c61dbc50d65f30cfa20a856ae (patch) | |
tree | e41e980dc788a75488e1fbfdadef47e250b0d902 /drivers/gpu/drm/gma500/psb_drv.h | |
parent | 1f0d0b5183c8dd4d58678e8ba35553cabaf87390 (diff) | |
download | linux-9242fe23d2ebab9c61dbc50d65f30cfa20a856ae.tar.xz |
gma500: frame buffer locking
If we are the console then a printk can hit us with a spin lock held (and
in fact the kernel will do its best to take the console printing lock).
In that case we cannot politely sleep when synching after an accelerated op
but must behave obnoxiously to be sure of getting the bits out.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/gma500/psb_drv.h')
-rw-r--r-- | drivers/gpu/drm/gma500/psb_drv.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index f46b3c1..5ec8edf 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -606,7 +606,7 @@ struct drm_psb_private { void *fbdev; /* 2D acceleration */ - struct mutex mutex_2d; + spinlock_t lock_2d; }; |