drm/radeon: fix const IB handling v2
Const IBs are executed on the CE not the CP, so we can't
fence them in the normal way.
So submit them directly before the IB instead, just as
the documentation says.
v2: keep the extra documentation
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e0f5ae8..4ee5a74 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3693,7 +3693,7 @@
ib.ptr[6] = PACKET2(0);
ib.ptr[7] = PACKET2(0);
ib.length_dw = 8;
- r = radeon_ib_schedule(rdev, &ib);
+ r = radeon_ib_schedule(rdev, &ib, NULL);
if (r) {
radeon_scratch_free(rdev, scratch);
radeon_ib_free(rdev, &ib);