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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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aa9eb0caaa
Add the backpointer to ppgtt and i915->gt so that we can traverse across the device hierarchy. Reported-by: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191022095851.23442-1-chris@chris-wilson.co.uk
129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#include "mock_gtt.h"
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static void mock_insert_page(struct i915_address_space *vm,
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dma_addr_t addr,
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u64 offset,
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enum i915_cache_level level,
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u32 flags)
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{
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}
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static void mock_insert_entries(struct i915_address_space *vm,
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struct i915_vma *vma,
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enum i915_cache_level level, u32 flags)
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{
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}
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static int mock_bind_ppgtt(struct i915_vma *vma,
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enum i915_cache_level cache_level,
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u32 flags)
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{
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GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND);
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set_bit(I915_VMA_LOCAL_BIND_BIT, __i915_vma_flags(vma));
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return 0;
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}
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static void mock_unbind_ppgtt(struct i915_vma *vma)
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{
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}
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static void mock_cleanup(struct i915_address_space *vm)
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{
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}
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struct i915_ppgtt *mock_ppgtt(struct drm_i915_private *i915, const char *name)
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{
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struct i915_ppgtt *ppgtt;
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ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
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if (!ppgtt)
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return NULL;
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ppgtt->vm.gt = &i915->gt;
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ppgtt->vm.i915 = i915;
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ppgtt->vm.total = round_down(U64_MAX, PAGE_SIZE);
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ppgtt->vm.file = ERR_PTR(-ENODEV);
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i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);
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ppgtt->vm.clear_range = nop_clear_range;
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ppgtt->vm.insert_page = mock_insert_page;
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ppgtt->vm.insert_entries = mock_insert_entries;
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ppgtt->vm.cleanup = mock_cleanup;
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ppgtt->vm.vma_ops.bind_vma = mock_bind_ppgtt;
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ppgtt->vm.vma_ops.unbind_vma = mock_unbind_ppgtt;
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ppgtt->vm.vma_ops.set_pages = ppgtt_set_pages;
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ppgtt->vm.vma_ops.clear_pages = clear_pages;
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return ppgtt;
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}
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static int mock_bind_ggtt(struct i915_vma *vma,
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enum i915_cache_level cache_level,
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u32 flags)
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{
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atomic_or(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND, &vma->flags);
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return 0;
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}
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static void mock_unbind_ggtt(struct i915_vma *vma)
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{
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}
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void mock_init_ggtt(struct drm_i915_private *i915, struct i915_ggtt *ggtt)
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{
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memset(ggtt, 0, sizeof(*ggtt));
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ggtt->vm.gt = &i915->gt;
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ggtt->vm.i915 = i915;
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ggtt->vm.is_ggtt = true;
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ggtt->gmadr = (struct resource) DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);
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ggtt->mappable_end = resource_size(&ggtt->gmadr);
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ggtt->vm.total = 4096 * PAGE_SIZE;
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ggtt->vm.clear_range = nop_clear_range;
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ggtt->vm.insert_page = mock_insert_page;
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ggtt->vm.insert_entries = mock_insert_entries;
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ggtt->vm.cleanup = mock_cleanup;
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ggtt->vm.vma_ops.bind_vma = mock_bind_ggtt;
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ggtt->vm.vma_ops.unbind_vma = mock_unbind_ggtt;
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ggtt->vm.vma_ops.set_pages = ggtt_set_pages;
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ggtt->vm.vma_ops.clear_pages = clear_pages;
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i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT);
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intel_gt_init_hw_early(i915);
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}
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void mock_fini_ggtt(struct i915_ggtt *ggtt)
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{
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i915_address_space_fini(&ggtt->vm);
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}
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