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drm/xe/pm: Handle GT resume failure

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We've been historically ignoring GT resume failure. Since the function
can return error, handle it properly.

v2: Bring up display before bailing (Matt Roper, Rodrigo)

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Link: https://patch.msgid.link/20251220073657.166810-1-raag.jadav@intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Raag Jadav
2025-12-20 13:06:56 +05:30
committed by Rodrigo Vivi
parent 4e88de313f
commit 644673a69f
1 changed files with 22 additions and 4 deletions
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26
drivers/gpu/drm/xe/xe_pm.c
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@@ -260,10 +260,19 @@ int xe_pm_resume(struct xe_device *xe)
xe_irq_resume(xe);
for_each_gt(gt, xe, id)
xe_gt_resume(gt);
for_each_gt(gt, xe, id) {
err = xe_gt_resume(gt);
if (err)
break;
}
/*
* Try to bring up display before bailing from GT resume failure,
* so we don't leave the user clueless with a blank screen.
*/
xe_display_pm_resume(xe);
if (err)
goto err;
err = xe_bo_restore_late(xe);
if (err)
@@ -656,10 +665,19 @@ int xe_pm_runtime_resume(struct xe_device *xe)
xe_irq_resume(xe);
for_each_gt(gt, xe, id)
xe->d3cold.allowed ? xe_gt_resume(gt) : xe_gt_runtime_resume(gt);
for_each_gt(gt, xe, id) {
err = xe->d3cold.allowed ? xe_gt_resume(gt) : xe_gt_runtime_resume(gt);
if (err)
break;
}
/*
* Try to bring up display before bailing from GT resume failure,
* so we don't leave the user clueless with a blank screen.
*/
xe_display_pm_runtime_resume(xe);
if (err)
goto out;
if (xe->d3cold.allowed) {
err = xe_bo_restore_late(xe);