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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-02 08:41:02 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-02 08:41:02 -0800
commit178cf7de6f1d3b95407f5a76af249fc924d42576 (patch)
tree4b3e5f3ef6dfa7866fb30811acdc60832a055269 /drivers/gpu/drm/radeon/cik.c
parent89c468263befb4617aaab36ae8c54ba04164c7b0 (diff)
parente36f014edff70fc02b3d3d79cead1d58f289332e (diff)
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Merge 3.19-rc7 into staging-next
We want those fixes in here for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/cik.c')
-rw-r--r--drivers/gpu/drm/radeon/cik.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 6dcde3798b45..64fdae558d36 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -6033,6 +6033,17 @@ void cik_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 1 << vm_id);
+ /* wait for the invalidate to complete */
+ radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
+ radeon_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */
+ WAIT_REG_MEM_FUNCTION(0) | /* always */
+ WAIT_REG_MEM_ENGINE(0))); /* me */
+ radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
+ radeon_ring_write(ring, 0);
+ radeon_ring_write(ring, 0); /* ref */
+ radeon_ring_write(ring, 0); /* mask */
+ radeon_ring_write(ring, 0x20); /* poll interval */
+
/* compute doesn't have PFP */
if (usepfp) {
/* sync PFP to ME, otherwise we might get invalid PFP reads */