diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 261e98a276d..6ea798ce821 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -247,10 +247,14 @@ void radeon_ib_pool_fini(struct radeon_device *rdev) */ void radeon_ring_free_size(struct radeon_device *rdev) { - if (rdev->family >= CHIP_R600) - rdev->cp.rptr = RREG32(R600_CP_RB_RPTR); - else - rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); + if (rdev->wb.enabled) + rdev->cp.rptr = rdev->wb.wb[RADEON_WB_CP_RPTR_OFFSET/4]; + else { + if (rdev->family >= CHIP_R600) + rdev->cp.rptr = RREG32(R600_CP_RB_RPTR); + else + rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); + } /* This works because ring_size is a power of 2 */ rdev->cp.ring_free_dw = (rdev->cp.rptr + (rdev->cp.ring_size / 4)); rdev->cp.ring_free_dw -= rdev->cp.wptr; |