Release 4.12 drivers/gpu/drm/i915/selftests/mock_gem_device.c
/*
* Copyright © 2016 Intel Corporation
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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 <linux/pm_runtime.h>
#include "mock_engine.h"
#include "mock_context.h"
#include "mock_request.h"
#include "mock_gem_device.h"
#include "mock_gem_object.h"
#include "mock_gtt.h"
void mock_device_flush(struct drm_i915_private *i915)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
lockdep_assert_held(&i915->drm.struct_mutex);
for_each_engine(engine, i915, id)
mock_engine_flush(engine);
i915_gem_retire_requests(i915);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 47 | 100.00% | 1 | 100.00% |
| Total | 47 | 100.00% | 1 | 100.00% |
static void mock_device_release(struct drm_device *dev)
{
struct drm_i915_private *i915 = to_i915(dev);
struct intel_engine_cs *engine;
enum intel_engine_id id;
mutex_lock(&i915->drm.struct_mutex);
mock_device_flush(i915);
mutex_unlock(&i915->drm.struct_mutex);
cancel_delayed_work_sync(&i915->gt.retire_work);
cancel_delayed_work_sync(&i915->gt.idle_work);
mutex_lock(&i915->drm.struct_mutex);
for_each_engine(engine, i915, id)
mock_engine_free(engine);
i915_gem_context_fini(i915);
mutex_unlock(&i915->drm.struct_mutex);
drain_workqueue(i915->wq);
i915_gem_drain_freed_objects(i915);
mutex_lock(&i915->drm.struct_mutex);
mock_fini_ggtt(i915);
i915_gem_timeline_fini(&i915->gt.global_timeline);
mutex_unlock(&i915->drm.struct_mutex);
destroy_workqueue(i915->wq);
kmem_cache_destroy(i915->dependencies);
kmem_cache_destroy(i915->requests);
kmem_cache_destroy(i915->vmas);
kmem_cache_destroy(i915->objects);
drm_dev_fini(&i915->drm);
put_device(&i915->drm.pdev->dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 215 | 100.00% | 3 | 100.00% |
| Total | 215 | 100.00% | 3 | 100.00% |
static struct drm_driver mock_driver = {
.name = "mock",
.driver_features = DRIVER_GEM,
.release = mock_device_release,
.gem_close_object = i915_gem_close_object,
.gem_free_object_unlocked = i915_gem_free_object,
};
static void release_dev(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
kfree(pdev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static void mock_retire_work_handler(struct work_struct *work)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
static void mock_idle_work_handler(struct work_struct *work)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
struct drm_i915_private *mock_gem_device(void)
{
struct drm_i915_private *i915;
struct intel_engine_cs *engine;
enum intel_engine_id id;
struct pci_dev *pdev;
int err;
pdev = kzalloc(sizeof(*pdev) + sizeof(*i915), GFP_KERNEL);
if (!pdev)
goto err;
device_initialize(&pdev->dev);
pdev->dev.release = release_dev;
dev_set_name(&pdev->dev, "mock");
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
i915 = (struct drm_i915_private *)(pdev + 1);
pci_set_drvdata(pdev, i915);
err = drm_dev_init(&i915->drm, &mock_driver, &pdev->dev);
if (err) {
pr_err("Failed to initialise mock GEM device: err=%d\n", err);
goto put_device;
}
i915->drm.pdev = pdev;
i915->drm.dev_private = i915;
/* Using the global GTT may ask questions about KMS users, so prepare */
drm_mode_config_init(&i915->drm);
mkwrite_device_info(i915)->gen = -1;
spin_lock_init(&i915->mm.object_stat_lock);
init_waitqueue_head(&i915->gpu_error.wait_queue);
init_waitqueue_head(&i915->gpu_error.reset_queue);
i915->wq = alloc_ordered_workqueue("mock", 0);
if (!i915->wq)
goto put_device;
INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
init_llist_head(&i915->mm.free_list);
INIT_LIST_HEAD(&i915->mm.unbound_list);
INIT_LIST_HEAD(&i915->mm.bound_list);
ida_init(&i915->context_hw_ida);
INIT_DELAYED_WORK(&i915->gt.retire_work, mock_retire_work_handler);
INIT_DELAYED_WORK(&i915->gt.idle_work, mock_idle_work_handler);
i915->gt.awake = true;
i915->objects = KMEM_CACHE(mock_object, SLAB_HWCACHE_ALIGN);
if (!i915->objects)
goto err_wq;
i915->vmas = KMEM_CACHE(i915_vma, SLAB_HWCACHE_ALIGN);
if (!i915->vmas)
goto err_objects;
i915->requests = KMEM_CACHE(mock_request,
SLAB_HWCACHE_ALIGN |
SLAB_RECLAIM_ACCOUNT |
SLAB_TYPESAFE_BY_RCU);
if (!i915->requests)
goto err_vmas;
i915->dependencies = KMEM_CACHE(i915_dependency,
SLAB_HWCACHE_ALIGN |
SLAB_RECLAIM_ACCOUNT);
if (!i915->dependencies)
goto err_requests;
mutex_lock(&i915->drm.struct_mutex);
INIT_LIST_HEAD(&i915->gt.timelines);
err = i915_gem_timeline_init__global(i915);
if (err) {
mutex_unlock(&i915->drm.struct_mutex);
goto err_dependencies;
}
mock_init_ggtt(i915);
mutex_unlock(&i915->drm.struct_mutex);
mkwrite_device_info(i915)->ring_mask = BIT(0);
i915->engine[RCS] = mock_engine(i915, "mock");
if (!i915->engine[RCS])
goto err_dependencies;
i915->kernel_context = mock_context(i915, NULL);
if (!i915->kernel_context)
goto err_engine;
return i915;
err_engine:
for_each_engine(engine, i915, id)
mock_engine_free(engine);
err_dependencies:
kmem_cache_destroy(i915->dependencies);
err_requests:
kmem_cache_destroy(i915->requests);
err_vmas:
kmem_cache_destroy(i915->vmas);
err_objects:
kmem_cache_destroy(i915->objects);
err_wq:
destroy_workqueue(i915->wq);
put_device:
put_device(&pdev->dev);
err:
return NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 623 | 99.84% | 3 | 75.00% |
| Linus Torvalds | 1 | 0.16% | 1 | 25.00% |
| Total | 624 | 100.00% | 4 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 985 | 99.90% | 3 | 75.00% |
| Linus Torvalds | 1 | 0.10% | 1 | 25.00% |
| Total | 986 | 100.00% | 4 | 100.00% |
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