diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 2b12cae52b29..7c3e330c7b59 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1772,12 +1772,20 @@ void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2); } else { + u32 next_rptr; if (ring->rptr_save_reg) { - uint32_t next_rptr = ring->wptr + 3 + 4 + 8; + next_rptr = ring->wptr + 3 + 4 + 8; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); radeon_ring_write(ring, ((ring->rptr_save_reg - PACKET3_SET_CONFIG_REG_START) >> 2)); radeon_ring_write(ring, next_rptr); + } else if (rdev->wb.enabled) { + next_rptr = ring->wptr + 5 + 4 + 8; + radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); + radeon_ring_write(ring, (1 << 8)); + radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); + radeon_ring_write(ring, next_rptr); } header = PACKET3(PACKET3_INDIRECT_BUFFER, 2); |