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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-20 22:54:53 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-20 22:54:53 +0300 |
| commit | 4c971aa78314253cce914ed29e3d90df3326d646 (patch) | |
| tree | a9dcf0b1fdc9e1aacff90afb5b3ab79983115dcc /drivers/gpu/drm/radeon/si.c | |
| parent | 4ba24fef3eb3b142197135223b90ced2f319cd53 (diff) | |
| parent | 290b799c390d77d27effee3ce312203aaa32ee74 (diff) | |
| download | linux-4c971aa78314253cce914ed29e3d90df3326d646.tar.xz | |
Merge branch 'next' into for-linus
Second round of updates for 3.20.
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 60df444bd075..5d89b874a1a2 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -5057,6 +5057,16 @@ void si_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_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); |