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drm/xe/debugfs: Get a runtime_pm reference when setting wedged mode

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This function is another entry point where it must be ensured that
the device resumes before operating on the GuC, so grab a runtime_pm
reference. This fixes inner xe_pm_runtime_get_noresume calls which
were previously failing.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503082450.268335-1-francois.dugast@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Francois Dugast
2024-05-03 10:24:50 +02:00
committed by Rodrigo Vivi
parent 233e8d1de8
commit 7867541241
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/xe/xe_debugfs.c
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@@ -153,6 +153,7 @@ static ssize_t wedged_mode_set(struct file *f, const char __user *ubuf,
xe->wedged.mode = wedged_mode;
xe_pm_runtime_get(xe);
for_each_gt(gt, xe, id) {
ret = xe_guc_ads_scheduler_policy_toggle_reset(&gt->uc.guc.ads);
if (ret) {
@@ -160,6 +161,7 @@ static ssize_t wedged_mode_set(struct file *f, const char __user *ubuf,
return -EIO;
}
}
xe_pm_runtime_put(xe);
return size;
}