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SFS:(13230016)(4636009)(346002)(396003)(136003)(376002)(39860400002)(40470700004)(36840700001)(46966006)(40480700001)(47076005)(4326008)(70586007)(41300700001)(83380400001)(2906002)(6666004)(70206006)(36860700001)(8676002)(36756003)(426003)(336012)(16526019)(1076003)(316002)(110136005)(54906003)(186003)(2616005)(82310400005)(81166007)(356005)(8936002)(478600001)(82740400003)(40460700003)(86362001)(5660300002)(26005)(7696005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Aug 2022 07:33:42.5687 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 18e40252-818f-415c-7515-08da827e4ee6 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT073.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4889 Subject: [Intel-gfx] [PATCH v6 5/6] drm/nouveau: Implement intersect/compatible functions X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alexander.deucher@amd.com, Arunpravin Paneer Selvam , luben.tuikov@amd.com, christian.koenig@amd.com, matthew.auld@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Implemented a new intersect and compatible callback function fetching the start offset from struct ttm_resource. Signed-off-by: Christian König Signed-off-by: Arunpravin Paneer Selvam Reviewed-by: Christian König --- drivers/gpu/drm/nouveau/nouveau_mem.c | 29 +++++++++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_mem.h | 6 ++++++ drivers/gpu/drm/nouveau/nouveau_ttm.c | 24 ++++++++++++++++++++++ 3 files changed, 59 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 2e517cdc24c9..76f8edefa637 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -187,3 +187,32 @@ nouveau_mem_new(struct nouveau_cli *cli, u8 kind, u8 comp, *res = &mem->base; return 0; } + +bool +nouveau_mem_intersects(struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + u32 num_pages = PFN_UP(size); + + /* Don't evict BOs outside of the requested placement range */ + if (place->fpfn >= (res->start + num_pages) || + (place->lpfn && place->lpfn <= res->start)) + return false; + + return true; +} + +bool +nouveau_mem_compatible(struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + u32 num_pages = PFN_UP(size); + + if (res->start < place->fpfn || + (place->lpfn && (res->start + num_pages) > place->lpfn)) + return false; + + return true; +} diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.h b/drivers/gpu/drm/nouveau/nouveau_mem.h index 325551eba5cd..1ee6cdb9ad9b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.h +++ b/drivers/gpu/drm/nouveau/nouveau_mem.h @@ -25,6 +25,12 @@ int nouveau_mem_new(struct nouveau_cli *, u8 kind, u8 comp, struct ttm_resource **); void nouveau_mem_del(struct ttm_resource_manager *man, struct ttm_resource *); +bool nouveau_mem_intersects(struct ttm_resource *res, + const struct ttm_place *place, + size_t size); +bool nouveau_mem_compatible(struct ttm_resource *res, + const struct ttm_place *place, + size_t size); int nouveau_mem_vram(struct ttm_resource *, bool contig, u8 page); int nouveau_mem_host(struct ttm_resource *, struct ttm_tt *); void nouveau_mem_fini(struct nouveau_mem *); diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 85f1f5a0fe5d..9602c30928f2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -42,6 +42,24 @@ nouveau_manager_del(struct ttm_resource_manager *man, nouveau_mem_del(man, reg); } +static bool +nouveau_manager_intersects(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + return nouveau_mem_intersects(res, place, size); +} + +static bool +nouveau_manager_compatible(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + return nouveau_mem_compatible(res, place, size); +} + static int nouveau_vram_manager_new(struct ttm_resource_manager *man, struct ttm_buffer_object *bo, @@ -73,6 +91,8 @@ nouveau_vram_manager_new(struct ttm_resource_manager *man, const struct ttm_resource_manager_func nouveau_vram_manager = { .alloc = nouveau_vram_manager_new, .free = nouveau_manager_del, + .intersects = nouveau_manager_intersects, + .compatible = nouveau_manager_compatible, }; static int @@ -97,6 +117,8 @@ nouveau_gart_manager_new(struct ttm_resource_manager *man, const struct ttm_resource_manager_func nouveau_gart_manager = { .alloc = nouveau_gart_manager_new, .free = nouveau_manager_del, + .intersects = nouveau_manager_intersects, + .compatible = nouveau_manager_compatible, }; static int @@ -130,6 +152,8 @@ nv04_gart_manager_new(struct ttm_resource_manager *man, const struct ttm_resource_manager_func nv04_gart_manager = { .alloc = nv04_gart_manager_new, .free = nouveau_manager_del, + .intersects = nouveau_manager_intersects, + .compatible = nouveau_manager_compatible, }; static int