From 046c12c67b15018ab7ed2688a252475d5a8b9db1 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 18 Jan 2016 14:49:45 +0100 Subject: [PATCH] drm/amdgpu: remove sync_to from sync obj v2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Not needed any more without semaphores. v2: remove unused variables as well Signed-off-by: Christian König Reviewed-by: Chunming Zhou Acked-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 44 +++++------------------- 2 files changed, 9 insertions(+), 36 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 297b231e4fcc..3e040cb20ebe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -636,7 +636,6 @@ int amdgpu_mode_dumb_mmap(struct drm_file *filp, * Synchronization */ struct amdgpu_sync { - struct fence *sync_to[AMDGPU_MAX_RINGS]; DECLARE_HASHTABLE(fences, 4); struct fence *last_vm_update; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index 7f12a4d55c52..1d348f8ae126 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -46,11 +46,6 @@ struct amdgpu_sync_entry { */ void amdgpu_sync_create(struct amdgpu_sync *sync) { - unsigned i; - - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) - sync->sync_to[i] = NULL; - hash_init(sync->fences); sync->last_vm_update = NULL; } @@ -104,7 +99,6 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, struct fence *f) { struct amdgpu_sync_entry *e; - struct amdgpu_fence *fence; if (!f) return 0; @@ -113,27 +107,20 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, amdgpu_sync_test_owner(f, AMDGPU_FENCE_OWNER_VM)) amdgpu_sync_keep_later(&sync->last_vm_update, f); - fence = to_amdgpu_fence(f); - if (!fence || fence->ring->adev != adev) { - hash_for_each_possible(sync->fences, e, node, f->context) { - if (unlikely(e->fence->context != f->context)) - continue; - - amdgpu_sync_keep_later(&e->fence, f); - return 0; - } - - e = kmalloc(sizeof(struct amdgpu_sync_entry), GFP_KERNEL); - if (!e) - return -ENOMEM; + hash_for_each_possible(sync->fences, e, node, f->context) { + if (unlikely(e->fence->context != f->context)) + continue; - hash_add(sync->fences, &e->node, f->context); - e->fence = fence_get(f); + amdgpu_sync_keep_later(&e->fence, f); return 0; } - amdgpu_sync_keep_later(&sync->sync_to[fence->ring->idx], f); + e = kmalloc(sizeof(struct amdgpu_sync_entry), GFP_KERNEL); + if (!e) + return -ENOMEM; + hash_add(sync->fences, &e->node, f->context); + e->fence = fence_get(f); return 0; } @@ -247,16 +234,6 @@ int amdgpu_sync_wait(struct amdgpu_sync *sync) kfree(e); } - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { - struct fence *fence = sync->sync_to[i]; - if (!fence) - continue; - - r = fence_wait(fence, false); - if (r) - return r; - } - return 0; } @@ -283,8 +260,5 @@ void amdgpu_sync_free(struct amdgpu_device *adev, kfree(e); } - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) - fence_put(sync->sync_to[i]); - fence_put(sync->last_vm_update); } -- 2.20.1