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| author |   Matthew Brost <matthew.brost@intel.com> | 2025-03-05 17:26:56 -0800 |
|---|---|---|
| committer | Matthew Brost <matthew.brost@intel.com> | 2025-03-06 11:36:57 -0800 |
| commit | c56904f6cc7c6746946df8bbfff79a901e6b76fa (patch) | |
| tree | d12ab5002549bd2ac93a929be31892111a92e6b1 | |
| parent | drm/xe: Add modparam for SVM notifier size (diff) | |
| download | wireguard-linux-c56904f6cc7c6746946df8bbfff79a901e6b76fa.tar.xz wireguard-linux-c56904f6cc7c6746946df8bbfff79a901e6b76fa.zip | |
drm/xe: Add always_migrate_to_vram modparam
Used to show we can bounce memory multiple times which will happen once
a real migration policy is implemented. Can be removed once migration
policy is implemented.
v3:
- Pull some changes into the previous patch (Thomas)
- Better commit message (Thomas)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306012657.3505757-32-matthew.brost@intel.com
| -rw-r--r-- | drivers/gpu/drm/xe/xe_module.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_module.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_svm.c | 3 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_module.c b/drivers/gpu/drm/xe/xe_module.c index e861c694f336..9f4632e39a1a 100644 --- a/drivers/gpu/drm/xe/xe_module.c +++ b/drivers/gpu/drm/xe/xe_module.c @@ -29,6 +29,9 @@ struct xe_modparam xe_modparam = { module_param_named(svm_notifier_size, xe_modparam.svm_notifier_size, uint, 0600); MODULE_PARM_DESC(svm_notifier_size, "Set the svm notifier size(in MiB), must be power of 2"); +module_param_named(always_migrate_to_vram, xe_modparam.always_migrate_to_vram, bool, 0444); +MODULE_PARM_DESC(always_migrate_to_vram, "Always migrate to VRAM on GPU fault"); + module_param_named_unsafe(force_execlist, xe_modparam.force_execlist, bool, 0444); MODULE_PARM_DESC(force_execlist, "Force Execlist submission"); diff --git a/drivers/gpu/drm/xe/xe_module.h b/drivers/gpu/drm/xe/xe_module.h index 5a3bfea8b7b4..84339e509c80 100644 --- a/drivers/gpu/drm/xe/xe_module.h +++ b/drivers/gpu/drm/xe/xe_module.h @@ -12,6 +12,7 @@ struct xe_modparam { bool force_execlist; bool probe_display; + bool always_migrate_to_vram; u32 force_vram_bar_size; int guc_log_level; char *guc_firmware_path; diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c index d83fb694c5eb..516898e99b26 100644 --- a/drivers/gpu/drm/xe/xe_svm.c +++ b/drivers/gpu/drm/xe/xe_svm.c @@ -822,6 +822,9 @@ retry_bind: } drm_exec_fini(&exec); + if (xe_modparam.always_migrate_to_vram) + range->skip_migrate = false; + dma_fence_wait(fence, false); dma_fence_put(fence); |