diff options
| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2021-06-02 10:38:08 +0200 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2021-06-02 13:21:24 +0100 |
| commit | d148738923fdb5077089e48ec15555e6008100d0 (patch) | |
| tree | 953dfd00a68894481fbb6784545632620ea2751d /drivers/gpu/drm/i915/selftests/mock_region.c | |
| parent | 0e4fe0c9f2f981f26e01b73f3c465ca314c4f9c0 (diff) | |
drm/i915/ttm Initialize the ttm device and memory managers
Temporarily remove the buddy allocator and related selftests
and hook up the TTM range manager for i915 regions.
Also modify the mock region selftests somewhat to account for a
fragmenting manager.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210602083818.241793-2-thomas.hellstrom@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/mock_region.c')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_region.c | 70 |
1 files changed, 63 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c index 5d2d010a1e22..eafc5a04975c 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.c +++ b/drivers/gpu/drm/i915/selftests/mock_region.c @@ -1,17 +1,56 @@ // SPDX-License-Identifier: MIT /* - * Copyright © 2019 Intel Corporation + * Copyright © 2019-2021 Intel Corporation */ +#include <linux/scatterlist.h> + +#include <drm/ttm/ttm_placement.h> + #include "gem/i915_gem_region.h" #include "intel_memory_region.h" +#include "intel_region_ttm.h" #include "mock_region.h" +static void mock_region_put_pages(struct drm_i915_gem_object *obj, + struct sg_table *pages) +{ + intel_region_ttm_node_free(obj->mm.region, obj->mm.st_mm_node); + sg_free_table(pages); + kfree(pages); +} + +static int mock_region_get_pages(struct drm_i915_gem_object *obj) +{ + unsigned int flags; + struct sg_table *pages; + + flags = I915_ALLOC_MIN_PAGE_SIZE; + if (obj->flags & I915_BO_ALLOC_CONTIGUOUS) + flags |= I915_ALLOC_CONTIGUOUS; + + obj->mm.st_mm_node = intel_region_ttm_node_alloc(obj->mm.region, + obj->base.size, + flags); + if (IS_ERR(obj->mm.st_mm_node)) + return PTR_ERR(obj->mm.st_mm_node); + + pages = intel_region_ttm_node_to_st(obj->mm.region, obj->mm.st_mm_node); + if (IS_ERR(pages)) { + intel_region_ttm_node_free(obj->mm.region, obj->mm.st_mm_node); + return PTR_ERR(pages); + } + + __i915_gem_object_set_pages(obj, pages, i915_sg_dma_sizes(pages->sgl)); + + return 0; +} + static const struct drm_i915_gem_object_ops mock_region_obj_ops = { .name = "mock-region", - .get_pages = i915_gem_object_get_pages_buddy, - .put_pages = i915_gem_object_put_pages_buddy, + .get_pages = mock_region_get_pages, + .put_pages = mock_region_put_pages, .release = i915_gem_object_release_memory_region, }; @@ -23,7 +62,7 @@ static int mock_object_init(struct intel_memory_region *mem, static struct lock_class_key lock_class; struct drm_i915_private *i915 = mem->i915; - if (size > mem->mm.size) + if (size > resource_size(&mem->region)) return -E2BIG; drm_gem_private_object_init(&i915->drm, &obj->base, size); @@ -38,9 +77,18 @@ static int mock_object_init(struct intel_memory_region *mem, return 0; } +static void mock_region_fini(struct intel_memory_region *mem) +{ + struct drm_i915_private *i915 = mem->i915; + int instance = mem->instance; + + intel_region_ttm_fini(mem); + ida_free(&i915->selftest.mock_region_instances, instance); +} + static const struct intel_memory_region_ops mock_region_ops = { - .init = intel_memory_region_init_buddy, - .release = intel_memory_region_release_buddy, + .init = intel_region_ttm_init, + .release = mock_region_fini, .init_object = mock_object_init, }; @@ -51,6 +99,14 @@ mock_region_create(struct drm_i915_private *i915, resource_size_t min_page_size, resource_size_t io_start) { + int instance = ida_alloc_max(&i915->selftest.mock_region_instances, + TTM_NUM_MEM_TYPES - TTM_PL_PRIV - 1, + GFP_KERNEL); + + if (instance < 0) + return ERR_PTR(instance); + return intel_memory_region_create(i915, start, size, min_page_size, - io_start, &mock_region_ops); + io_start, INTEL_MEMORY_MOCK, instance, + &mock_region_ops); } |