diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2023-10-06 13:50:21 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-13 11:00:58 -0400 |
| commit | cb11ca3233aa3303dc11dca25977d2e7f24be00f (patch) | |
| tree | f5db9dae24f87c141651d6e4685a045e11547665 /drivers/gpu/drm/amd/include/amd_shared.h | |
| parent | 5095d5418193eb2748c7d8553c7150b8f1c44696 (diff) | |
drm/amd: Add concept of running prepare_suspend() sequence for IP blocks
If any IP blocks allocate memory during their hw_fini() sequence
this can cause the suspend to fail under memory pressure. Introduce
a new phase that IP blocks can use to allocate memory before suspend
starts so that it can potentially be evicted into swap instead.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include/amd_shared.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index ce75351204bb..98e60bc868dd 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -299,6 +299,7 @@ struct amd_ip_funcs { int (*hw_init)(void *handle); int (*hw_fini)(void *handle); void (*late_fini)(void *handle); + int (*prepare_suspend)(void *handle); int (*suspend)(void *handle); int (*resume)(void *handle); bool (*is_idle)(void *handle); |