drm/radeon/kms: r600 handle irq vector ring overflow
authorJerome Glisse <jglisse@redhat.com>
Fri, 15 Jan 2010 13:44:39 +0000 (14:44 +0100)
committerDave Airlie <airlied@linux.ie>
Wed, 20 Jan 2010 22:45:01 +0000 (08:45 +1000)
commit7924e5eb8fe422d6b1ce3b3e2be749a480dfcdd9
tree9fbe9d6b1d23b01300e95bebd09b4ee4a3d1e697
parent79c2bbc505751bb5130ac753251fc9a0eb37bb12
drm/radeon/kms: r600 handle irq vector ring overflow

In some rare case i faced an irq overflow quickly followed by
a GPU lockup (hard hang) this patch try to deal with irq vector
ring overflow, so far haven't been able to reproduce it with
the patch.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
drivers/gpu/drm/radeon/r600.c