diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_fence.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 59 |
1 files changed, 10 insertions, 49 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index c37cb79a9489..a77b1c13ea43 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -288,7 +288,6 @@ static bool radeon_fence_any_seq_signaled(struct radeon_device *rdev, u64 *seq) * @rdev: radeon device pointer * @target_seq: sequence number(s) we want to wait for * @intr: use interruptable sleep - * @lock_ring: whether the ring should be locked or not * * Wait for the requested sequence number(s) to be written by any ring * (all asics). Sequnce number array is indexed by ring id. @@ -299,7 +298,7 @@ static bool radeon_fence_any_seq_signaled(struct radeon_device *rdev, u64 *seq) * -EDEADLK is returned when a GPU lockup has been detected. */ static int radeon_fence_wait_seq(struct radeon_device *rdev, u64 *target_seq, - bool intr, bool lock_ring) + bool intr) { uint64_t last_seq[RADEON_NUM_RINGS]; bool signaled; @@ -358,9 +357,6 @@ static int radeon_fence_wait_seq(struct radeon_device *rdev, u64 *target_seq, if (i != RADEON_NUM_RINGS) continue; - if (lock_ring) - mutex_lock(&rdev->ring_lock); - for (i = 0; i < RADEON_NUM_RINGS; ++i) { if (!target_seq[i]) continue; @@ -378,14 +374,9 @@ static int radeon_fence_wait_seq(struct radeon_device *rdev, u64 *target_seq, /* remember that we need an reset */ rdev->needs_reset = true; - if (lock_ring) - mutex_unlock(&rdev->ring_lock); wake_up_all(&rdev->fence_queue); return -EDEADLK; } - - if (lock_ring) - mutex_unlock(&rdev->ring_lock); } } return 0; @@ -416,7 +407,7 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr) if (seq[fence->ring] == RADEON_FENCE_SIGNALED_SEQ) return 0; - r = radeon_fence_wait_seq(fence->rdev, seq, intr, true); + r = radeon_fence_wait_seq(fence->rdev, seq, intr); if (r) return r; @@ -464,7 +455,7 @@ int radeon_fence_wait_any(struct radeon_device *rdev, if (num_rings == 0) return -ENOENT; - r = radeon_fence_wait_seq(rdev, seq, intr, true); + r = radeon_fence_wait_seq(rdev, seq, intr); if (r) { return r; } @@ -472,37 +463,7 @@ int radeon_fence_wait_any(struct radeon_device *rdev, } /** - * radeon_fence_wait_locked - wait for a fence to signal - * - * @fence: radeon fence object - * - * Wait for the requested fence to signal (all asics). - * Returns 0 if the fence has passed, error for all other cases. - */ -int radeon_fence_wait_locked(struct radeon_fence *fence) -{ - uint64_t seq[RADEON_NUM_RINGS] = {}; - int r; - - if (fence == NULL) { - WARN(1, "Querying an invalid fence : %p !\n", fence); - return -EINVAL; - } - - seq[fence->ring] = fence->seq; - if (seq[fence->ring] == RADEON_FENCE_SIGNALED_SEQ) - return 0; - - r = radeon_fence_wait_seq(fence->rdev, seq, false, false); - if (r) - return r; - - fence->seq = RADEON_FENCE_SIGNALED_SEQ; - return 0; -} - -/** - * radeon_fence_wait_next_locked - wait for the next fence to signal + * radeon_fence_wait_next - wait for the next fence to signal * * @rdev: radeon device pointer * @ring: ring index the fence is associated with @@ -511,7 +472,7 @@ int radeon_fence_wait_locked(struct radeon_fence *fence) * Returns 0 if the next fence has passed, error for all other cases. * Caller must hold ring lock. */ -int radeon_fence_wait_next_locked(struct radeon_device *rdev, int ring) +int radeon_fence_wait_next(struct radeon_device *rdev, int ring) { uint64_t seq[RADEON_NUM_RINGS] = {}; @@ -521,11 +482,11 @@ int radeon_fence_wait_next_locked(struct radeon_device *rdev, int ring) already the last emited fence */ return -ENOENT; } - return radeon_fence_wait_seq(rdev, seq, false, false); + return radeon_fence_wait_seq(rdev, seq, false); } /** - * radeon_fence_wait_empty_locked - wait for all fences to signal + * radeon_fence_wait_empty - wait for all fences to signal * * @rdev: radeon device pointer * @ring: ring index the fence is associated with @@ -534,7 +495,7 @@ int radeon_fence_wait_next_locked(struct radeon_device *rdev, int ring) * Returns 0 if the fences have passed, error for all other cases. * Caller must hold ring lock. */ -int radeon_fence_wait_empty_locked(struct radeon_device *rdev, int ring) +int radeon_fence_wait_empty(struct radeon_device *rdev, int ring) { uint64_t seq[RADEON_NUM_RINGS] = {}; int r; @@ -543,7 +504,7 @@ int radeon_fence_wait_empty_locked(struct radeon_device *rdev, int ring) if (!seq[ring]) return 0; - r = radeon_fence_wait_seq(rdev, seq, false, false); + r = radeon_fence_wait_seq(rdev, seq, false); if (r) { if (r == -EDEADLK) return -EDEADLK; @@ -794,7 +755,7 @@ void radeon_fence_driver_fini(struct radeon_device *rdev) for (ring = 0; ring < RADEON_NUM_RINGS; ring++) { if (!rdev->fence_drv[ring].initialized) continue; - r = radeon_fence_wait_empty_locked(rdev, ring); + r = radeon_fence_wait_empty(rdev, ring); if (r) { /* no need to trigger GPU reset as we are unloading */ radeon_fence_driver_force_completion(rdev); |