diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/ni_dma.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni_dma.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c index 50f88611ff6..4be2bb7cbef 100644 --- a/drivers/gpu/drm/radeon/ni_dma.c +++ b/drivers/gpu/drm/radeon/ni_dma.c @@ -463,5 +463,11 @@ void cayman_dma_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring, radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2)); radeon_ring_write(ring, 1 << vm_id); + + /* wait for invalidate to complete */ + radeon_ring_write(ring, DMA_SRBM_READ_PACKET); + radeon_ring_write(ring, (0xff << 20) | (VM_INVALIDATE_REQUEST >> 2)); + radeon_ring_write(ring, 0); /* mask */ + radeon_ring_write(ring, 0); /* value */ } |