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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-15 16:07:18 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-15 16:07:18 -0800 |
| commit | 97ae2b5c17d6cc988c6d49ae0cf95befb6b7081c (patch) | |
| tree | a71115af6c30fdc9de0878e2cf1c51e95b17a324 /drivers/gpu/drm/radeon/ni.c | |
| parent | ef47fa5280819deaa8da7e0db1d875b225de5838 (diff) | |
| parent | c8af781ebf3ffe37c18c34ca89e29c085560e561 (diff) | |
Merge branch 'bfin_rotary' into next
Merge bfin_rotary driver changes from Sonic Zhang.
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 360de9f1f491..aea48c89b241 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -2516,6 +2516,16 @@ void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring, radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 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_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 */ + /* sync PFP to ME, otherwise we might get invalid PFP reads */ radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); radeon_ring_write(ring, 0x0); |