From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c | 56 ++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c') diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c new file mode 100644 index 000000000..f1d48281e --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c @@ -0,0 +1,56 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "kfd_kernel_queue.h" + +static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev, + enum kfd_queue_type type, unsigned int queue_size); +static void uninitialize_vi(struct kernel_queue *kq); + +void kernel_queue_init_vi(struct kernel_queue_ops *ops) +{ + ops->initialize = initialize_vi; + ops->uninitialize = uninitialize_vi; +} + +static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev, + enum kfd_queue_type type, unsigned int queue_size) +{ + int retval; + + retval = kfd_gtt_sa_allocate(dev, PAGE_SIZE, &kq->eop_mem); + if (retval != 0) + return false; + + kq->eop_gpu_addr = kq->eop_mem->gpu_addr; + kq->eop_kernel_addr = kq->eop_mem->cpu_ptr; + + memset(kq->eop_kernel_addr, 0, PAGE_SIZE); + + return true; +} + +static void uninitialize_vi(struct kernel_queue *kq) +{ + kfd_gtt_sa_free(kq->dev, kq->eop_mem); +} -- cgit v1.2.3-54-g00ecf