On 20 December 2016 at 13:08, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
> Very simple tests to just ask eviction to find some free space in a full
> GTT and one with some available space.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem_evict.c | 4 +
> drivers/gpu/drm/i915/selftests/i915_gem_evict.c | 237 +++++++++++++++++++++
> .../gpu/drm/i915/selftests/i915_mock_selftests.h | 1 +
> 3 files changed, 242 insertions(+)
> create mode 100644 drivers/gpu/drm/i915/selftests/i915_gem_evict.c
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
> index f92f63e8749a..c01a9dd6298c 100644
> --- a/drivers/gpu/drm/i915/i915_gem_evict.c
> +++ b/drivers/gpu/drm/i915/i915_gem_evict.c
> @@ -383,3 +383,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
>
> return 0;
> }
> +
> +#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
> +#include "selftests/i915_gem_evict.c"
> +#endif
> diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
> new file mode 100644
> index 000000000000..c31e6a6c98cd
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
> @@ -0,0 +1,237 @@
> +/*
> + * 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 "i915_selftest.h"
> +
> +#include "mock_gem_device.h"
> +
> +static int populate_ggtt(struct drm_i915_private *i915)
> +{
> + struct drm_i915_gem_object *obj;
> + u64 size;
> +
> + for (size = 0; size < i915->ggtt.base.total; size += PAGE_SIZE) {
> + struct i915_vma *vma;
> +
> + obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
> + if (IS_ERR(obj))
> + return PTR_ERR(obj);
> +
> + vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, 0);
> + if (IS_ERR(vma))
> + return PTR_ERR(vma);
> + }
> +
> + if (!list_empty(&i915->mm.unbound_list)) {
> + size = 0;
> + list_for_each_entry(obj, &i915->mm.unbound_list, global_link)
> + size++;
> +
> + pr_err("Found %lld objects unbound!\n", size);
> + return -EINVAL;
> + }
> +
> + if (list_empty(&i915->ggtt.base.inactive_list)) {
> + pr_err("No objects on the GGTT inactive list!\n");
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> +static void unpin_ggtt(struct drm_i915_private *i915)
> +{
> + struct i915_vma *vma;
> +
> + list_for_each_entry(vma, &i915->ggtt.base.inactive_list, vm_link)
> + i915_vma_unpin(vma);
> +}
> +
> +static void cleanup_objects(struct drm_i915_private *i915)
> +{
> + struct drm_i915_gem_object *obj, *on;
> +
> + list_for_each_entry_safe(obj, on, &i915->mm.unbound_list, global_link)
> + i915_gem_object_put(obj);
> +
> + list_for_each_entry_safe(obj, on, &i915->mm.bound_list, global_link)
> + i915_gem_object_put(obj);
> +
> + mutex_unlock(&i915->drm.struct_mutex);
> +
> + rcu_barrier();
> + while (flush_work(&i915->mm.free_work))
> + rcu_barrier();
i915_gem_drain_freed_objects(i915), likewise for device_release ?
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
