From 4ce9891ee17c6e064cc334e3297f7e992d47f3a6 Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Wed, 19 Aug 2015 16:41:19 +0800 Subject: [PATCH] drm/amdgpu: improve sa_bo->fence by kernel fence Signed-off-by: Chunming Zhou Reviewed-by: Christian K?nig --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 8 +-- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 22 ++++---- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 4 +- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | 50 ++++++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- 8 files changed, 58 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 4addac5f6763..80f2ceaf6af6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -441,7 +441,7 @@ int amdgpu_fence_wait_empty(struct amdgpu_ring *ring); unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring); signed long amdgpu_fence_wait_multiple(struct amdgpu_device *adev, - struct amdgpu_fence **array, + struct fence **array, uint32_t count, bool wait_all, bool intr, @@ -654,7 +654,7 @@ struct amdgpu_sa_bo { struct amdgpu_sa_manager *manager; unsigned soffset; unsigned eoffset; - struct amdgpu_fence *fence; + struct fence *fence; }; /* @@ -696,7 +696,7 @@ bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring, struct amdgpu_semaphore *semaphore); void amdgpu_semaphore_free(struct amdgpu_device *adev, struct amdgpu_semaphore **semaphore, - struct amdgpu_fence *fence); + struct fence *fence); /* * Synchronization @@ -717,7 +717,7 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, int amdgpu_sync_rings(struct amdgpu_sync *sync, struct amdgpu_ring *ring); void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync, - struct amdgpu_fence *fence); + struct fence *fence); /* * GART structures, functions & helpers diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index ae014fcf524e..9a87372c3c79 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -836,30 +836,30 @@ static inline bool amdgpu_test_signaled(struct amdgpu_fence *fence) return test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags); } -static bool amdgpu_test_signaled_any(struct amdgpu_fence **fences, uint32_t count) +static bool amdgpu_test_signaled_any(struct fence **fences, uint32_t count) { int idx; - struct amdgpu_fence *fence; + struct fence *fence; for (idx = 0; idx < count; ++idx) { fence = fences[idx]; if (fence) { - if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags)) + if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags)) return true; } } return false; } -static bool amdgpu_test_signaled_all(struct amdgpu_fence **fences, uint32_t count) +static bool amdgpu_test_signaled_all(struct fence **fences, uint32_t count) { int idx; - struct amdgpu_fence *fence; + struct fence *fence; for (idx = 0; idx < count; ++idx) { fence = fences[idx]; if (fence) { - if (!test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags)) + if (!test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->flags)) return false; } } @@ -885,7 +885,7 @@ static signed long amdgpu_fence_default_wait(struct fence *f, bool intr, struct amdgpu_fence *fence = to_amdgpu_fence(f); struct amdgpu_device *adev = fence->ring->adev; - return amdgpu_fence_wait_multiple(adev, &fence, 1, false, intr, t); + return amdgpu_fence_wait_multiple(adev, &f, 1, false, intr, t); } /** @@ -902,7 +902,7 @@ static signed long amdgpu_fence_default_wait(struct fence *f, bool intr, * If wait_all is false, it will return when any fence is signaled or timeout. */ signed long amdgpu_fence_wait_multiple(struct amdgpu_device *adev, - struct amdgpu_fence **array, + struct fence **array, uint32_t count, bool wait_all, bool intr, @@ -910,7 +910,7 @@ signed long amdgpu_fence_wait_multiple(struct amdgpu_device *adev, { long idx = 0; struct amdgpu_wait_cb *cb; - struct amdgpu_fence *fence; + struct fence *fence; BUG_ON(!array); @@ -924,7 +924,7 @@ signed long amdgpu_fence_wait_multiple(struct amdgpu_device *adev, fence = array[idx]; if (fence) { cb[idx].task = current; - if (fence_add_callback(&fence->base, + if (fence_add_callback(fence, &cb[idx].base, amdgpu_fence_wait_cb)) { /* The fence is already signaled */ if (wait_all) @@ -967,7 +967,7 @@ fence_rm_cb: for (idx = 0; idx < count; ++idx) { fence = array[idx]; if (fence) - fence_remove_callback(&fence->base, &cb[idx].base); + fence_remove_callback(fence, &cb[idx].base); } err_free_cb: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 1c237f5e3365..13c5978ac69b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -93,8 +93,8 @@ int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm, */ void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib) { - amdgpu_sync_free(adev, &ib->sync, ib->fence); - amdgpu_sa_bo_free(adev, &ib->sa_bo, ib->fence); + amdgpu_sync_free(adev, &ib->sync, &ib->fence->base); + amdgpu_sa_bo_free(adev, &ib->sa_bo, &ib->fence->base); amdgpu_fence_unref(&ib->fence); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 238465a9ac55..6ea18dcec561 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -193,7 +193,7 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev, unsigned size, unsigned align); void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, - struct amdgpu_fence *fence); + struct fence *fence); #if defined(CONFIG_DEBUG_FS) void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, struct seq_file *m); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 4597899e9758..b7cbaa9d532e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -139,6 +139,20 @@ int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev, return r; } +static uint32_t amdgpu_sa_get_ring_from_fence(struct fence *f) +{ + struct amdgpu_fence *a_fence; + struct amd_sched_fence *s_fence; + + s_fence = to_amd_sched_fence(f); + if (s_fence) + return s_fence->entity->scheduler->ring_id; + a_fence = to_amdgpu_fence(f); + if (a_fence) + return a_fence->ring->idx; + return 0; +} + static void amdgpu_sa_bo_remove_locked(struct amdgpu_sa_bo *sa_bo) { struct amdgpu_sa_manager *sa_manager = sa_bo->manager; @@ -147,7 +161,7 @@ static void amdgpu_sa_bo_remove_locked(struct amdgpu_sa_bo *sa_bo) } list_del_init(&sa_bo->olist); list_del_init(&sa_bo->flist); - amdgpu_fence_unref(&sa_bo->fence); + fence_put(sa_bo->fence); kfree(sa_bo); } @@ -161,7 +175,7 @@ static void amdgpu_sa_bo_try_free(struct amdgpu_sa_manager *sa_manager) sa_bo = list_entry(sa_manager->hole->next, struct amdgpu_sa_bo, olist); list_for_each_entry_safe_from(sa_bo, tmp, &sa_manager->olist, olist) { if (sa_bo->fence == NULL || - !fence_is_signaled(&sa_bo->fence->base)) { + !fence_is_signaled(sa_bo->fence)) { return; } amdgpu_sa_bo_remove_locked(sa_bo); @@ -246,7 +260,7 @@ static bool amdgpu_sa_event(struct amdgpu_sa_manager *sa_manager, } static bool amdgpu_sa_bo_next_hole(struct amdgpu_sa_manager *sa_manager, - struct amdgpu_fence **fences, + struct fence **fences, unsigned *tries) { struct amdgpu_sa_bo *best_bo = NULL; @@ -275,7 +289,7 @@ static bool amdgpu_sa_bo_next_hole(struct amdgpu_sa_manager *sa_manager, sa_bo = list_first_entry(&sa_manager->flist[i], struct amdgpu_sa_bo, flist); - if (!fence_is_signaled(&sa_bo->fence->base)) { + if (!fence_is_signaled(sa_bo->fence)) { fences[i] = sa_bo->fence; continue; } @@ -299,7 +313,8 @@ static bool amdgpu_sa_bo_next_hole(struct amdgpu_sa_manager *sa_manager, } if (best_bo) { - ++tries[best_bo->fence->ring->idx]; + uint32_t idx = amdgpu_sa_get_ring_from_fence(best_bo->fence); + ++tries[idx]; sa_manager->hole = best_bo->olist.prev; /* we knew that this one is signaled, @@ -315,7 +330,7 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, unsigned size, unsigned align) { - struct amdgpu_fence *fences[AMDGPU_MAX_RINGS]; + struct fence *fences[AMDGPU_MAX_RINGS]; unsigned tries[AMDGPU_MAX_RINGS]; int i, r; signed long t; @@ -373,7 +388,7 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev, } void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, - struct amdgpu_fence *fence) + struct fence *fence) { struct amdgpu_sa_manager *sa_manager; @@ -383,10 +398,11 @@ void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, sa_manager = (*sa_bo)->manager; spin_lock(&sa_manager->wq.lock); - if (fence && !fence_is_signaled(&fence->base)) { - (*sa_bo)->fence = amdgpu_fence_ref(fence); - list_add_tail(&(*sa_bo)->flist, - &sa_manager->flist[fence->ring->idx]); + if (fence && !fence_is_signaled(fence)) { + uint32_t idx; + (*sa_bo)->fence = fence_get(fence); + idx = amdgpu_sa_get_ring_from_fence(fence); + list_add_tail(&(*sa_bo)->flist, &sa_manager->flist[idx]); } else { amdgpu_sa_bo_remove_locked(*sa_bo); } @@ -413,8 +429,16 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, seq_printf(m, "[0x%010llx 0x%010llx] size %8lld", soffset, eoffset, eoffset - soffset); if (i->fence) { - seq_printf(m, " protected by 0x%016llx on ring %d", - i->fence->seq, i->fence->ring->idx); + struct amdgpu_fence *a_fence = to_amdgpu_fence(i->fence); + struct amd_sched_fence *s_fence = to_amd_sched_fence(i->fence); + if (a_fence) + seq_printf(m, " protected by 0x%016llx on ring %d", + a_fence->seq, a_fence->ring->idx); + if (s_fence) + seq_printf(m, " protected by 0x%016llx on ring %d", + s_fence->v_seq, + s_fence->entity->scheduler->ring_id); + } seq_printf(m, "\n"); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c index d6d41a42ab65..ff3ca52ec6fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c @@ -87,7 +87,7 @@ bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring, void amdgpu_semaphore_free(struct amdgpu_device *adev, struct amdgpu_semaphore **semaphore, - struct amdgpu_fence *fence) + struct fence *fence) { if (semaphore == NULL || *semaphore == NULL) { return; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index 7cb711fc1ee2..ee68eebfded1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -234,7 +234,7 @@ int amdgpu_sync_rings(struct amdgpu_sync *sync, */ void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync, - struct amdgpu_fence *fence) + struct fence *fence) { unsigned i; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index dd3415d2e45d..d7c02e1a309e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1042,7 +1042,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, } amdgpu_ring_unlock_commit(ring); - amdgpu_sync_free(adev, &sync, *fence); + amdgpu_sync_free(adev, &sync, &(*fence)->base); return 0; } -- 2.20.1