[Intel-gfx] [PATCH 09/19] drm: Fix race between drm_vblank_off() and drm_queue_vblank_event()

On Wed, Aug 06, 2014 at 03:23:01PM +0200, Daniel Vetter wrote: > On Wed, Aug 06, 2014 at 02:49:52PM +0300, ville.syrjala at linux.intel.com > wrote: > > From: Ville Syrj?l? > > > > Currently it's possible that the following will happen: > > 1. drm_wait_vblank() calls drm_vblank_get() > > 2.

[Intel-gfx] [PATCH 09/19] drm: Fix race between drm_vblank_off() and drm_queue_vblank_event()

On Wed, Aug 06, 2014 at 02:49:52PM +0300, ville.syrjala at linux.intel.com wrote: > From: Ville Syrj?l? > > Currently it's possible that the following will happen: > 1. drm_wait_vblank() calls drm_vblank_get() > 2. drm_vblank_off() gets called > 3. drm_wait_vblank() calls

[PATCH 09/19] drm: Fix race between drm_vblank_off() and drm_queue_vblank_event()

From: Ville Syrj?l? Currently it's possible that the following will happen: 1. drm_wait_vblank() calls drm_vblank_get() 2. drm_vblank_off() gets called 3. drm_wait_vblank() calls drm_queue_vblank_event() which adds the event to the queue event though vblank