diff options
| -rw-r--r-- | src/intel/vulkan/anv_batch_chain.c | 94 | ||||
| -rw-r--r-- | src/intel/vulkan/anv_device.c | 30 | ||||
| -rw-r--r-- | src/intel/vulkan/anv_private.h | 13 | ||||
| -rw-r--r-- | src/intel/vulkan/genX_cmd_buffer.c | 11 |
4 files changed, 76 insertions, 72 deletions
diff --git a/src/intel/vulkan/anv_batch_chain.c b/src/intel/vulkan/anv_batch_chain.c index 45cdb95..3493eeb 100644 --- a/src/intel/vulkan/anv_batch_chain.c +++ b/src/intel/vulkan/anv_batch_chain.c @@ -574,20 +574,6 @@ anv_cmd_buffer_new_binding_table_block(struct anv_cmd_buffer *cmd_buffer) return VK_SUCCESS; } -static void -anv_execbuf_init(struct anv_execbuf *exec) -{ - memset(exec, 0, sizeof(*exec)); -} - -static void -anv_execbuf_finish(struct anv_execbuf *exec, - const VkAllocationCallbacks *alloc) -{ - vk_free(alloc, exec->objects); - vk_free(alloc, exec->bos); -} - VkResult anv_cmd_buffer_init_batch_bo_chain(struct anv_cmd_buffer *cmd_buffer) { @@ -635,8 +621,6 @@ anv_cmd_buffer_init_batch_bo_chain(struct anv_cmd_buffer *cmd_buffer) anv_cmd_buffer_new_binding_table_block(cmd_buffer); - anv_execbuf_init(&cmd_buffer->execbuf2); - return VK_SUCCESS; fail_bt_blocks: @@ -668,8 +652,6 @@ anv_cmd_buffer_fini_batch_bo_chain(struct anv_cmd_buffer *cmd_buffer) &cmd_buffer->batch_bos, link) { anv_batch_bo_destroy(bbo, cmd_buffer); } - - anv_execbuf_finish(&cmd_buffer->execbuf2, &cmd_buffer->pool->alloc); } void @@ -867,6 +849,31 @@ anv_cmd_buffer_add_secondary(struct anv_cmd_buffer *primary, &secondary->surface_relocs, 0); } +struct anv_execbuf { + struct drm_i915_gem_execbuffer2 execbuf; + + struct drm_i915_gem_exec_object2 * objects; + uint32_t bo_count; + struct anv_bo ** bos; + + /* Allocated length of the 'objects' and 'bos' arrays */ + uint32_t array_length; +}; + +static void +anv_execbuf_init(struct anv_execbuf *exec) +{ + memset(exec, 0, sizeof(*exec)); +} + +static void +anv_execbuf_finish(struct anv_execbuf *exec, + const VkAllocationCallbacks *alloc) +{ + vk_free(alloc, exec->objects); + vk_free(alloc, exec->bos); +} + static VkResult anv_execbuf_add_bo(struct anv_execbuf *exec, struct anv_bo *bo, @@ -1037,20 +1044,20 @@ adjust_relocations_to_state_pool(struct anv_block_pool *pool, } } -void -anv_cmd_buffer_prepare_execbuf(struct anv_cmd_buffer *cmd_buffer) +VkResult +anv_cmd_buffer_execbuf(struct anv_device *device, + struct anv_cmd_buffer *cmd_buffer) { struct anv_batch *batch = &cmd_buffer->batch; struct anv_block_pool *ss_pool = &cmd_buffer->device->surface_state_block_pool; - cmd_buffer->execbuf2.bo_count = 0; + struct anv_execbuf execbuf; + anv_execbuf_init(&execbuf); adjust_relocations_from_state_pool(ss_pool, &cmd_buffer->surface_relocs, cmd_buffer->last_ss_pool_center); - - anv_execbuf_add_bo(&cmd_buffer->execbuf2, &ss_pool->bo, - &cmd_buffer->surface_relocs, + anv_execbuf_add_bo(&execbuf, &ss_pool->bo, &cmd_buffer->surface_relocs, &cmd_buffer->pool->alloc); /* First, we walk over all of the bos we've seen and add them and their @@ -1061,7 +1068,7 @@ anv_cmd_buffer_prepare_execbuf(struct anv_cmd_buffer *cmd_buffer) adjust_relocations_to_state_pool(ss_pool, &(*bbo)->bo, &(*bbo)->relocs, cmd_buffer->last_ss_pool_center); - anv_execbuf_add_bo(&cmd_buffer->execbuf2, &(*bbo)->bo, &(*bbo)->relocs, + anv_execbuf_add_bo(&execbuf, &(*bbo)->bo, &(*bbo)->relocs, &cmd_buffer->pool->alloc); } @@ -1079,20 +1086,19 @@ anv_cmd_buffer_prepare_execbuf(struct anv_cmd_buffer *cmd_buffer) * corresponding to the first batch_bo in the chain with the last * element in the list. */ - if (first_batch_bo->bo.index != cmd_buffer->execbuf2.bo_count - 1) { + if (first_batch_bo->bo.index != execbuf.bo_count - 1) { uint32_t idx = first_batch_bo->bo.index; - uint32_t last_idx = cmd_buffer->execbuf2.bo_count - 1; + uint32_t last_idx = execbuf.bo_count - 1; - struct drm_i915_gem_exec_object2 tmp_obj = - cmd_buffer->execbuf2.objects[idx]; - assert(cmd_buffer->execbuf2.bos[idx] == &first_batch_bo->bo); + struct drm_i915_gem_exec_object2 tmp_obj = execbuf.objects[idx]; + assert(execbuf.bos[idx] == &first_batch_bo->bo); - cmd_buffer->execbuf2.objects[idx] = cmd_buffer->execbuf2.objects[last_idx]; - cmd_buffer->execbuf2.bos[idx] = cmd_buffer->execbuf2.bos[last_idx]; - cmd_buffer->execbuf2.bos[idx]->index = idx; + execbuf.objects[idx] = execbuf.objects[last_idx]; + execbuf.bos[idx] = execbuf.bos[last_idx]; + execbuf.bos[idx]->index = idx; - cmd_buffer->execbuf2.objects[last_idx] = tmp_obj; - cmd_buffer->execbuf2.bos[last_idx] = &first_batch_bo->bo; + execbuf.objects[last_idx] = tmp_obj; + execbuf.bos[last_idx] = &first_batch_bo->bo; first_batch_bo->bo.index = last_idx; } @@ -1113,9 +1119,9 @@ anv_cmd_buffer_prepare_execbuf(struct anv_cmd_buffer *cmd_buffer) } } - cmd_buffer->execbuf2.execbuf = (struct drm_i915_gem_execbuffer2) { - .buffers_ptr = (uintptr_t) cmd_buffer->execbuf2.objects, - .buffer_count = cmd_buffer->execbuf2.bo_count, + execbuf.execbuf = (struct drm_i915_gem_execbuffer2) { + .buffers_ptr = (uintptr_t) execbuf.objects, + .buffer_count = execbuf.bo_count, .batch_start_offset = 0, .batch_len = batch->next - batch->start, .cliprects_ptr = 0, @@ -1127,12 +1133,7 @@ anv_cmd_buffer_prepare_execbuf(struct anv_cmd_buffer *cmd_buffer) .rsvd1 = cmd_buffer->device->context_id, .rsvd2 = 0, }; -} -VkResult -anv_cmd_buffer_execbuf(struct anv_device *device, - struct anv_cmd_buffer *cmd_buffer) -{ /* Since surface states are shared between command buffers and we don't * know what order they will be submitted to the kernel, we don't know what * address is actually written in the surface state object at any given @@ -1142,6 +1143,9 @@ anv_cmd_buffer_execbuf(struct anv_device *device, for (size_t i = 0; i < cmd_buffer->surface_relocs.num_relocs; i++) cmd_buffer->surface_relocs.relocs[i].presumed_offset = -1; - return anv_device_execbuf(device, &cmd_buffer->execbuf2.execbuf, - cmd_buffer->execbuf2.bos); + VkResult result = anv_device_execbuf(device, &execbuf.execbuf, execbuf.bos); + + anv_execbuf_finish(&execbuf, &cmd_buffer->pool->alloc); + + return result; } diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c index c40598c..c47961e 100644 --- a/src/intel/vulkan/anv_device.c +++ b/src/intel/vulkan/anv_device.c @@ -1097,6 +1097,27 @@ VkResult anv_QueueSubmit( struct anv_device *device = queue->device; VkResult result = VK_SUCCESS; + /* We lock around QueueSubmit for two main reasons: + * + * 1) When a block pool is resized, we create a new gem handle with a + * different size and, in the case of surface states, possibly a + * different center offset but we re-use the same anv_bo struct when + * we do so. If this happens in the middle of setting up an execbuf, + * we could end up with our list of BOs out of sync with our list of + * gem handles. + * + * 2) The algorithm we use for building the list of unique buffers isn't + * thread-safe. While the client is supposed to syncronize around + * QueueSubmit, this would be extremely difficult to debug if it ever + * came up in the wild due to a broken app. It's better to play it + * safe and just lock around QueueSubmit. + * + * Since the only other things that ever take the device lock such as block + * pool resize only rarely happen, this will almost never be contended so + * taking a lock isn't really an expensive operation in this case. + */ + pthread_mutex_lock(&device->mutex); + for (uint32_t i = 0; i < submitCount; i++) { for (uint32_t j = 0; j < pSubmits[i].commandBufferCount; j++) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, @@ -1105,7 +1126,7 @@ VkResult anv_QueueSubmit( result = anv_cmd_buffer_execbuf(device, cmd_buffer); if (result != VK_SUCCESS) - return result; + goto out; } } @@ -1113,10 +1134,13 @@ VkResult anv_QueueSubmit( struct anv_bo *fence_bo = &fence->bo; result = anv_device_execbuf(device, &fence->execbuf, &fence_bo); if (result != VK_SUCCESS) - return result; + goto out; } - return VK_SUCCESS; +out: + pthread_mutex_unlock(&device->mutex); + + return result; } VkResult anv_QueueWaitIdle( diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h index 2d5d673..31b4766 100644 --- a/src/intel/vulkan/anv_private.h +++ b/src/intel/vulkan/anv_private.h @@ -1141,17 +1141,6 @@ enum anv_cmd_buffer_exec_mode { ANV_CMD_BUFFER_EXEC_MODE_COPY_AND_CHAIN, }; -struct anv_execbuf { - struct drm_i915_gem_execbuffer2 execbuf; - - struct drm_i915_gem_exec_object2 * objects; - uint32_t bo_count; - struct anv_bo ** bos; - - /* Allocated length of the 'objects' and 'bos' arrays */ - uint32_t array_length; -}; - struct anv_cmd_buffer { VK_LOADER_DATA _loader_data; @@ -1187,8 +1176,6 @@ struct anv_cmd_buffer { /** Last seen surface state block pool center bo offset */ uint32_t last_ss_pool_center; - struct anv_execbuf execbuf2; - /* Serial for tracking buffer completion */ uint32_t serial; diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c index 24e0012..045cb9d 100644 --- a/src/intel/vulkan/genX_cmd_buffer.c +++ b/src/intel/vulkan/genX_cmd_buffer.c @@ -200,20 +200,9 @@ genX(EndCommandBuffer)( VkCommandBuffer commandBuffer) { ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer); - struct anv_device *device = cmd_buffer->device; anv_cmd_buffer_end_batch_buffer(cmd_buffer); - if (cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_PRIMARY) { - /* The algorithm used to compute the validate list is not threadsafe as - * it uses the bo->index field. We have to lock the device around it. - * Fortunately, the chances for contention here are probably very low. - */ - pthread_mutex_lock(&device->mutex); - anv_cmd_buffer_prepare_execbuf(cmd_buffer); - pthread_mutex_unlock(&device->mutex); - } - return VK_SUCCESS; } |