diff options
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 8 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 8acb34f..8d7e33a 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1182,7 +1182,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) ring->ready = true; radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); - if (radeon_ring_supports_scratch_reg(rdev, ring)) { + if (!ring->rptr_save_reg /* not resuming from suspend */ + && radeon_ring_supports_scratch_reg(rdev, ring)) { r = radeon_scratch_get(rdev, &ring->rptr_save_reg); if (r) { DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 7b737b9..2a59375 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -131,7 +131,7 @@ int radeon_fence_emit(struct radeon_device *rdev, */ void radeon_fence_process(struct radeon_device *rdev, int ring) { - uint64_t seq, last_seq; + uint64_t seq, last_seq, last_emitted; unsigned count_loop = 0; bool wake = false; @@ -158,13 +158,15 @@ void radeon_fence_process(struct radeon_device *rdev, int ring) */ last_seq = atomic64_read(&rdev->fence_drv[ring].last_seq); do { + last_emitted = rdev->fence_drv[ring].sync_seq[ring]; seq = radeon_fence_read(rdev, ring); seq |= last_seq & 0xffffffff00000000LL; if (seq < last_seq) { - seq += 0x100000000LL; + seq &= 0xffffffff; + seq |= last_emitted & 0xffffffff00000000LL; } - if (seq == last_seq) { + if (seq <= last_seq || seq > last_emitted) { break; } /* If we loop over we don't want to return without |