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Driver Changes:

Browse Source 
- Fix xe_validation_guard() not guarding (Thomas Hellström)
  - Do not wake device during a GT reset (Matthew Brost)
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Merge tag 'drm-xe-fixes-2025-10-30' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

Driver Changes:
 - Fix xe_validation_guard() not guarding (Thomas Hellström)
 - Do not wake device during a GT reset (Matthew Brost)

Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patch.msgid.link/o2b3lucyitafbbcd5bewpfqnslavtnnpc6ck4qatnou2wwukix@rz6seyfw75uy
This commit is contained in:
Simona Vetter 2025-10-31 19:11:16 +01:00
commit 41dacb39fe
2 changed files with 16 additions and 11 deletions
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19
drivers/gpu/drm/xe/xe_gt.c
View File

@ -813,12 +813,16 @@ static int gt_reset(struct xe_gt *gt)
unsigned int fw_ref;
int err;
if (xe_device_wedged(gt_to_xe(gt)))
return -ECANCELED;
if (xe_device_wedged(gt_to_xe(gt))) {
err = -ECANCELED;
goto err_pm_put;
}
/* We only support GT resets with GuC submission */
if (!xe_device_uc_enabled(gt_to_xe(gt)))
return -ENODEV;
if (!xe_device_uc_enabled(gt_to_xe(gt))) {
err = -ENODEV;
goto err_pm_put;
}
xe_gt_info(gt, "reset started\n");
@ -826,8 +830,6 @@ static int gt_reset(struct xe_gt *gt)
if (!err)
xe_gt_warn(gt, "reset block failed to get lifted");
xe_pm_runtime_get(gt_to_xe(gt));
if (xe_fault_inject_gt_reset()) {
err = -ECANCELED;
goto err_fail;
@ -874,6 +876,7 @@ static int gt_reset(struct xe_gt *gt)
xe_gt_err(gt, "reset failed (%pe)\n", ERR_PTR(err));
xe_device_declare_wedged(gt_to_xe(gt));
err_pm_put:
xe_pm_runtime_put(gt_to_xe(gt));
return err;
@ -895,7 +898,9 @@ void xe_gt_reset_async(struct xe_gt *gt)
return;
xe_gt_info(gt, "reset queued\n");
queue_work(gt->ordered_wq, &gt->reset.worker);
xe_pm_runtime_get_noresume(gt_to_xe(gt));
if (!queue_work(gt->ordered_wq, &gt->reset.worker))
xe_pm_runtime_put(gt_to_xe(gt));
}
void xe_gt_suspend_prepare(struct xe_gt *gt)

8
drivers/gpu/drm/xe/xe_validation.h
View File

@ -166,10 +166,10 @@ xe_validation_device_init(struct xe_validation_device *val)
*/
DEFINE_CLASS(xe_validation, struct xe_validation_ctx *,
if (_T) xe_validation_ctx_fini(_T);,
({_ret = xe_validation_ctx_init(_ctx, _val, _exec, _flags);
_ret ? NULL : _ctx; }),
({*_ret = xe_validation_ctx_init(_ctx, _val, _exec, _flags);
*_ret ? NULL : _ctx; }),
struct xe_validation_ctx *_ctx, struct xe_validation_device *_val,
struct drm_exec *_exec, const struct xe_val_flags _flags, int _ret);
struct drm_exec *_exec, const struct xe_val_flags _flags, int *_ret);
static inline void *class_xe_validation_lock_ptr(class_xe_validation_t *_T)
{return *_T; }
#define class_xe_validation_is_conditional true
@ -186,7 +186,7 @@ static inline void *class_xe_validation_lock_ptr(class_xe_validation_t *_T)
* exhaustive eviction.
*/
#define xe_validation_guard(_ctx, _val, _exec, _flags, _ret) \
scoped_guard(xe_validation, _ctx, _val, _exec, _flags, _ret) \
scoped_guard(xe_validation, _ctx, _val, _exec, _flags, &_ret) \
drm_exec_until_all_locked(_exec)
#endif