Its actions are opportunistic anyway and will be completed on device suspend.

Marking as a fix to simplify backporting of the fix that follows in the series.

v2: - Keep the runtime pm reference over suspend / hibernate and document why. (Matt Auld, Rodrigo Vivi):

Fixes: c6a4d46ec1d7 ("drm/xe: evict user memory in PM notifier") Cc: Matthew Auld matthew.auld@intel.com Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: stable@vger.kernel.org # v6.16+ Signed-off-by: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/xe/xe_pm.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c index a2e85030b7f4..bee9aacd82e7 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -308,17 +308,17 @@ static int xe_pm_notifier_callback(struct notifier_block *nb, case PM_SUSPEND_PREPARE: xe_pm_runtime_get(xe); err = xe_bo_evict_all_user(xe); - if (err) { + if (err) drm_dbg(&xe->drm, "Notifier evict user failed (%d)\n", err); - xe_pm_runtime_put(xe); - break; - }

err = xe_bo_notifier_prepare_all_pinned(xe); - if (err) { + if (err) drm_dbg(&xe->drm, "Notifier prepare pin failed (%d)\n", err); - xe_pm_runtime_put(xe); - } + /* + * Keep the runtime pm reference until post hibernation / post suspend to + * avoid a runtime suspend interfering with evicted objects or backup + * allocations. + */ break; case PM_POST_HIBERNATION: case PM_POST_SUSPEND: @@ -327,9 +327,6 @@ static int xe_pm_notifier_callback(struct notifier_block *nb, break; }

- if (err) - return NOTIFY_BAD; - return NOTIFY_DONE; }