diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 74 |
1 files changed, 64 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 43d6a9d6a538..c7085a747b03 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -370,6 +370,45 @@ out: return ret; } +static void amdgpu_dummy_vram_mgr_debug(struct ttm_resource_manager *man, + struct drm_printer *printer) +{ + DRM_DEBUG_DRIVER("Dummy vram mgr debug\n"); +} + +static bool amdgpu_dummy_vram_mgr_compatible(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + DRM_DEBUG_DRIVER("Dummy vram mgr compatible\n"); + return false; +} + +static bool amdgpu_dummy_vram_mgr_intersects(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + DRM_DEBUG_DRIVER("Dummy vram mgr intersects\n"); + return true; +} + +static void amdgpu_dummy_vram_mgr_del(struct ttm_resource_manager *man, + struct ttm_resource *res) +{ + DRM_DEBUG_DRIVER("Dummy vram mgr deleted\n"); +} + +static int amdgpu_dummy_vram_mgr_new(struct ttm_resource_manager *man, + struct ttm_buffer_object *tbo, + const struct ttm_place *place, + struct ttm_resource **res) +{ + DRM_DEBUG_DRIVER("Dummy vram mgr new\n"); + return -ENOSPC; +} + /** * amdgpu_vram_mgr_new - allocate new ranges * @@ -800,7 +839,7 @@ static void amdgpu_vram_mgr_debug(struct ttm_resource_manager *man, { struct amdgpu_vram_mgr *mgr = to_vram_mgr(man); struct drm_buddy *mm = &mgr->mm; - struct drm_buddy_block *block; + struct amdgpu_vram_reservation *rsv; drm_printf(printer, " vis usage:%llu\n", amdgpu_vram_mgr_vis_usage(mgr)); @@ -812,11 +851,20 @@ static void amdgpu_vram_mgr_debug(struct ttm_resource_manager *man, drm_buddy_print(mm, printer); drm_printf(printer, "reserved:\n"); - list_for_each_entry(block, &mgr->reserved_pages, link) - drm_buddy_block_print(mm, block, printer); + list_for_each_entry(rsv, &mgr->reserved_pages, blocks) + drm_printf(printer, "%#018llx-%#018llx: %llu\n", + rsv->start, rsv->start + rsv->size, rsv->size); mutex_unlock(&mgr->lock); } +static const struct ttm_resource_manager_func amdgpu_dummy_vram_mgr_func = { + .alloc = amdgpu_dummy_vram_mgr_new, + .free = amdgpu_dummy_vram_mgr_del, + .intersects = amdgpu_dummy_vram_mgr_intersects, + .compatible = amdgpu_dummy_vram_mgr_compatible, + .debug = amdgpu_dummy_vram_mgr_debug +}; + static const struct ttm_resource_manager_func amdgpu_vram_mgr_func = { .alloc = amdgpu_vram_mgr_new, .free = amdgpu_vram_mgr_del, @@ -841,17 +889,22 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev) ttm_resource_manager_init(man, &adev->mman.bdev, adev->gmc.real_vram_size); - man->func = &amdgpu_vram_mgr_func; - - err = drm_buddy_init(&mgr->mm, man->size, PAGE_SIZE); - if (err) - return err; - mutex_init(&mgr->lock); INIT_LIST_HEAD(&mgr->reservations_pending); INIT_LIST_HEAD(&mgr->reserved_pages); mgr->default_page_size = PAGE_SIZE; + if (!adev->gmc.is_app_apu) { + man->func = &amdgpu_vram_mgr_func; + + err = drm_buddy_init(&mgr->mm, man->size, PAGE_SIZE); + if (err) + return err; + } else { + man->func = &amdgpu_dummy_vram_mgr_func; + DRM_INFO("Setup dummy vram mgr\n"); + } + ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_VRAM, &mgr->manager); ttm_resource_manager_set_used(man, true); return 0; @@ -886,7 +939,8 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev) drm_buddy_free_list(&mgr->mm, &rsv->allocated); kfree(rsv); } - drm_buddy_fini(&mgr->mm); + if (!adev->gmc.is_app_apu) + drm_buddy_fini(&mgr->mm); mutex_unlock(&mgr->lock); ttm_resource_manager_cleanup(man); |