diff options
| author | Samuel Zhang <guoqing.zhang@amd.com> | 2025-07-10 14:23:09 +0800 |
|---|---|---|
| committer | Mario Limonciello <mario.limonciello@amd.com> | 2025-07-10 10:49:44 -0500 |
| commit | 40b6a946d21ee7b2b6d394bb2f1cdd3973aa9da5 (patch) | |
| tree | 07132ce21a22465ae8349660fdecda59ba019785 /include/drm | |
| parent | bead8800222768dab1a421206350d530b0c45254 (diff) | |
drm/ttm: add new api ttm_device_prepare_hibernation()
This new api is used for hibernation to move GTT BOs to shmem after
VRAM eviction. shmem will be flushed to swap disk later to reduce
the system memory usage for hibernation.
Signed-off-by: Samuel Zhang <guoqing.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/20250710062313.3226149-2-guoqing.zhang@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h index 39b8636b1845..592b5f802859 100644 --- a/include/drm/ttm/ttm_device.h +++ b/include/drm/ttm/ttm_device.h @@ -272,6 +272,7 @@ struct ttm_device { int ttm_global_swapout(struct ttm_operation_ctx *ctx, gfp_t gfp_flags); int ttm_device_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx, gfp_t gfp_flags); +int ttm_device_prepare_hibernation(struct ttm_device *bdev); static inline struct ttm_resource_manager * ttm_manager_type(struct ttm_device *bdev, int mem_type) |