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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-09-12 22:38:17 +0200 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-09-16 13:00:47 +0200 |
| commit | 20e3aa503feb2deafd4185f50cee0da047f62e21 (patch) | |
| tree | 47cc0e9e14fd3ef59b66a0f2511b12d8111f30e4 /drivers/gpu | |
| parent | d620448fb5673d0705e50e3f73b890a10cfe7c80 (diff) | |
| download | lwn-20e3aa503feb2deafd4185f50cee0da047f62e21.tar.gz lwn-20e3aa503feb2deafd4185f50cee0da047f62e21.zip | |
drm/xe/pf: Allow to trigger VF GuC state restore from debugfs
For feature enabling and testing purposes, allow to restore saved
or replaced VF GuC state from debugfs, bypassing normal migration
flow. This is available only under strict debug config.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912203817.1880-7-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c index e990a63ec998..ccbcf6e572d0 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c @@ -313,6 +313,9 @@ static const struct { { "stop", xe_gt_sriov_pf_control_stop_vf }, { "pause", xe_gt_sriov_pf_control_pause_vf }, { "resume", xe_gt_sriov_pf_control_resume_vf }, +#ifdef CONFIG_DRM_XE_DEBUG_SRIOV + { "restore!", xe_gt_sriov_pf_migration_restore_guc_state }, +#endif }; static ssize_t control_write(struct file *file, const char __user *buf, size_t count, loff_t *pos) |