]> git.baikalelectronics.ru Git - kernel.git/commit
drm: Avoid calling vblank function is vblank wasn't initialized
authorJerome Glisse <jglisse@redhat.com>
Thu, 7 Jan 2010 14:39:13 +0000 (15:39 +0100)
committerDave Airlie <airlied@redhat.com>
Fri, 8 Jan 2010 03:12:09 +0000 (13:12 +1000)
commit526566212696dd34c70d230e0be1b738cb7bdefa
tree27336938ecaeed58acb4218310f6b3dd516b5f26
parent51707bce976afa3c6eca62b2c8b4ea123f8710fc
drm: Avoid calling vblank function is vblank wasn't initialized

In some case vblank might not be initialized and we shouldn't
try to use associated function. This patch make sure this is
the case. It also export drm_vblank_cleanup so driver can cleanup
vblank if for any reason IRQ/MSI is not working.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_irq.c