diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 6990cb5c89ae..de775f8ddc2a 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -879,8 +879,17 @@ static intel_engine_mask_t reset_prepare(struct intel_gt *gt) intel_engine_mask_t awake = 0; enum intel_engine_id id; - /* For GuC mode, ensure submission is disabled before stopping ring */ - intel_uc_reset_prepare(>->uc); + /** + * For GuC mode with submission enabled, ensure submission + * is disabled before stopping ring. + * + * For GuC mode with submission disabled, ensure that GuC is not + * sanitized, do that after engine reset. reset_prepare() + * is followed by engine reset which in this mode requires GuC to + * process any CSB FIFO entries generated by the resets. + */ + if (intel_uc_uses_guc_submission(>->uc)) + intel_uc_reset_prepare(>->uc); for_each_engine(engine, gt, id) { if (intel_engine_pm_get_if_awake(engine)) @@ -1226,6 +1235,9 @@ void intel_gt_reset(struct intel_gt *gt, intel_overlay_reset(gt->i915); + /* sanitize uC after engine reset */ + if (!intel_uc_uses_guc_submission(>->uc)) + intel_uc_reset_prepare(>->uc); /* * Next we need to restore the context, but we don't use those * yet either... |