diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 145 |
1 files changed, 13 insertions, 132 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 18a7829122d2..c7843e336310 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -45,16 +45,11 @@ * Cast helper */ static const struct dma_fence_ops amdgpu_fence_ops; -static const struct dma_fence_ops amdgpu_job_fence_ops; static inline struct amdgpu_fence *to_amdgpu_fence(struct dma_fence *f) { struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base); - if (__f->base.ops == &amdgpu_fence_ops || - __f->base.ops == &amdgpu_job_fence_ops) - return __f; - - return NULL; + return __f; } /** @@ -98,51 +93,32 @@ static u32 amdgpu_fence_read(struct amdgpu_ring *ring) * amdgpu_fence_emit - emit a fence on the requested ring * * @ring: ring the fence is associated with - * @f: resulting fence object * @af: amdgpu fence input * @flags: flags to pass into the subordinate .emit_fence() call * * Emits a fence command on the requested ring (all asics). * Returns 0 on success, -ENOMEM on failure. */ -int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, - struct amdgpu_fence *af, unsigned int flags) +int amdgpu_fence_emit(struct amdgpu_ring *ring, struct amdgpu_fence *af, + unsigned int flags) { struct amdgpu_device *adev = ring->adev; struct dma_fence *fence; - struct amdgpu_fence *am_fence; struct dma_fence __rcu **ptr; uint32_t seq; int r; - if (!af) { - /* create a separate hw fence */ - am_fence = kzalloc(sizeof(*am_fence), GFP_KERNEL); - if (!am_fence) - return -ENOMEM; - } else { - am_fence = af; - } - fence = &am_fence->base; - am_fence->ring = ring; + fence = &af->base; + af->ring = ring; seq = ++ring->fence_drv.sync_seq; - am_fence->seq = seq; - if (af) { - dma_fence_init(fence, &amdgpu_job_fence_ops, - &ring->fence_drv.lock, - adev->fence_context + ring->idx, seq); - /* Against remove in amdgpu_job_{free, free_cb} */ - dma_fence_get(fence); - } else { - dma_fence_init(fence, &amdgpu_fence_ops, - &ring->fence_drv.lock, - adev->fence_context + ring->idx, seq); - } + dma_fence_init(fence, &amdgpu_fence_ops, + &ring->fence_drv.lock, + adev->fence_context + ring->idx, seq); amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr, seq, flags | AMDGPU_FENCE_FLAG_INT); - amdgpu_fence_save_wptr(fence); + amdgpu_fence_save_wptr(af); pm_runtime_get_noresume(adev_to_drm(adev)->dev); ptr = &ring->fence_drv.fences[seq & ring->fence_drv.num_fences_mask]; if (unlikely(rcu_dereference_protected(*ptr, 1))) { @@ -167,8 +143,6 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, */ rcu_assign_pointer(*ptr, dma_fence_get(fence)); - *f = fence; - return 0; } @@ -276,7 +250,6 @@ bool amdgpu_fence_process(struct amdgpu_ring *ring) drv->signalled_wptr = am_fence->wptr; dma_fence_signal(fence); dma_fence_put(fence); - pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); } while (last_seq != seq); @@ -670,36 +643,6 @@ void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev) } /** - * amdgpu_fence_driver_clear_job_fences - clear job embedded fences of ring - * - * @ring: fence of the ring to be cleared - * - */ -void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring) -{ - int i; - struct dma_fence *old, **ptr; - - for (i = 0; i <= ring->fence_drv.num_fences_mask; i++) { - ptr = &ring->fence_drv.fences[i]; - old = rcu_dereference_protected(*ptr, 1); - if (old && old->ops == &amdgpu_job_fence_ops) { - struct amdgpu_job *job; - - /* For non-scheduler bad job, i.e. failed ib test, we need to signal - * it right here or we won't be able to track them in fence_drv - * and they will remain unsignaled during sa_bo free. - */ - job = container_of(old, struct amdgpu_job, hw_fence.base); - if (!job->base.s_fence && !dma_fence_is_signaled(old)) - dma_fence_signal(old); - RCU_INIT_POINTER(*ptr, NULL); - dma_fence_put(old); - } - } -} - -/** * amdgpu_fence_driver_set_error - set error code on fences * @ring: the ring which contains the fences * @error: the error code to set @@ -755,7 +698,7 @@ void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring) /** * amdgpu_fence_driver_guilty_force_completion - force signal of specified sequence * - * @fence: fence of the ring to signal + * @af: fence of the ring to signal * */ void amdgpu_fence_driver_guilty_force_completion(struct amdgpu_fence *af) @@ -792,15 +735,13 @@ void amdgpu_fence_driver_guilty_force_completion(struct amdgpu_fence *af) } while (last_seq != seq); spin_unlock_irqrestore(&ring->fence_drv.lock, flags); /* signal the guilty fence */ - amdgpu_fence_write(ring, af->seq); + amdgpu_fence_write(ring, (u32)af->base.seqno); amdgpu_fence_process(ring); } -void amdgpu_fence_save_wptr(struct dma_fence *fence) +void amdgpu_fence_save_wptr(struct amdgpu_fence *af) { - struct amdgpu_fence *am_fence = container_of(fence, struct amdgpu_fence, base); - - am_fence->wptr = am_fence->ring->wptr; + af->wptr = af->ring->wptr; } static void amdgpu_ring_backup_unprocessed_command(struct amdgpu_ring *ring, @@ -866,13 +807,6 @@ static const char *amdgpu_fence_get_timeline_name(struct dma_fence *f) return (const char *)to_amdgpu_fence(f)->ring->name; } -static const char *amdgpu_job_fence_get_timeline_name(struct dma_fence *f) -{ - struct amdgpu_job *job = container_of(f, struct amdgpu_job, hw_fence.base); - - return (const char *)to_amdgpu_ring(job->base.sched)->name; -} - /** * amdgpu_fence_enable_signaling - enable signalling on fence * @f: fence @@ -890,23 +824,6 @@ static bool amdgpu_fence_enable_signaling(struct dma_fence *f) } /** - * amdgpu_job_fence_enable_signaling - enable signalling on job fence - * @f: fence - * - * This is the simliar function with amdgpu_fence_enable_signaling above, it - * only handles the job embedded fence. - */ -static bool amdgpu_job_fence_enable_signaling(struct dma_fence *f) -{ - struct amdgpu_job *job = container_of(f, struct amdgpu_job, hw_fence.base); - - if (!timer_pending(&to_amdgpu_ring(job->base.sched)->fence_drv.fallback_timer)) - amdgpu_fence_schedule_fallback(to_amdgpu_ring(job->base.sched)); - - return true; -} - -/** * amdgpu_fence_free - free up the fence memory * * @rcu: RCU callback head @@ -922,21 +839,6 @@ static void amdgpu_fence_free(struct rcu_head *rcu) } /** - * amdgpu_job_fence_free - free up the job with embedded fence - * - * @rcu: RCU callback head - * - * Free up the job with embedded fence after the RCU grace period. - */ -static void amdgpu_job_fence_free(struct rcu_head *rcu) -{ - struct dma_fence *f = container_of(rcu, struct dma_fence, rcu); - - /* free job if fence has a parent job */ - kfree(container_of(f, struct amdgpu_job, hw_fence.base)); -} - -/** * amdgpu_fence_release - callback that fence can be freed * * @f: fence @@ -949,19 +851,6 @@ static void amdgpu_fence_release(struct dma_fence *f) call_rcu(&f->rcu, amdgpu_fence_free); } -/** - * amdgpu_job_fence_release - callback that job embedded fence can be freed - * - * @f: fence - * - * This is the simliar function with amdgpu_fence_release above, it - * only handles the job embedded fence. - */ -static void amdgpu_job_fence_release(struct dma_fence *f) -{ - call_rcu(&f->rcu, amdgpu_job_fence_free); -} - static const struct dma_fence_ops amdgpu_fence_ops = { .get_driver_name = amdgpu_fence_get_driver_name, .get_timeline_name = amdgpu_fence_get_timeline_name, @@ -969,13 +858,6 @@ static const struct dma_fence_ops amdgpu_fence_ops = { .release = amdgpu_fence_release, }; -static const struct dma_fence_ops amdgpu_job_fence_ops = { - .get_driver_name = amdgpu_fence_get_driver_name, - .get_timeline_name = amdgpu_job_fence_get_timeline_name, - .enable_signaling = amdgpu_job_fence_enable_signaling, - .release = amdgpu_job_fence_release, -}; - /* * Fence debugfs */ @@ -1045,7 +927,6 @@ static int gpu_recover_get(void *data, u64 *val) *val = atomic_read(&adev->reset_domain->reset_res); - pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return 0; |