[RFC v2 2/6] drm/i915/uc: Skip GuC HW unwinding if GuC is already dead
Michal Wajdeczko
michal.wajdeczko at intel.com
Fri Jan 11 10:02:31 UTC 2019
WIP
Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
drivers/gpu/drm/i915/intel_uc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 27fd85c31436..c9e6c0addb38 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -455,6 +455,9 @@ void intel_uc_fini_hw(struct drm_i915_private *i915)
GEM_BUG_ON(!HAS_GUC(i915));
+ if (!intel_guc_is_alive(guc))
+ return;
+
if (USES_GUC_SUBMISSION(i915))
intel_guc_submission_disable(guc);
--
2.19.2
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