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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-01-30 10:38:15 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-01-30 10:38:15 +0100 |
| commit | b6afdbe8e841e20297a38e2af0a053d8eb26c19b (patch) | |
| tree | 4a336799dcd7d77a7d1f1e9b46b9e48551053524 /drivers/gpu/drm/radeon/ni.c | |
| parent | 8090f7917b5d7cc2390afe33cb12f819173ef9c8 (diff) | |
| parent | 26bc420b59a38e4e6685a73345a0def461136dce (diff) | |
| download | linux-b6afdbe8e841e20297a38e2af0a053d8eb26c19b.tar.gz | |
Merge tag 'v3.19-rc6' into devel
Linux 3.19-rc6
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); |