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authorJerome Glisse <jglisse@redhat.com>2013-04-16 12:20:15 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-11 13:54:07 -0700
commit4a0efa7ea15f619003b9ac58f9c2313bd98282dd (patch)
parent4f932e0c605d7349d3cf3036d509b5837e4b6861 (diff)
drm/radeon: Always flush the VM
commit 466476dfdcafbb4286ffa232a3a792731b9dc852 upstream. This is slightly cleaned up version of Jerome's patch. There seems to be an issue tracking the last flush of the VM which results in hangs in certain cases when VM is used. For now just flush the VM for every IB. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=62959 https://bugs.freedesktop.org/show_bug.cgi?id=62997 Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Christian K├Ânig <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index cd72062d5a91..8adc5b5541fe 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -161,7 +161,8 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
radeon_semaphore_free(rdev, &ib->semaphore, NULL);
/* if we can't remember our last VM flush then flush now! */
- if (ib->vm && !ib->vm->last_flush) {
+ /* XXX figure out why we have to flush for every IB */
+ if (ib->vm /*&& !ib->vm->last_flush*/) {
radeon_ring_vm_flush(rdev, ib->ring, ib->vm);
if (const_ib) {