[PATCH 05/27] drm/i915/uc: Skip reset preparation if GuC is already dead
Michal Wajdeczko
michal.wajdeczko at intel.com
Thu May 16 19:20:39 UTC 2019
We may skip reset preparation steps if GuC is already sanitized.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio 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 4141cb880702..8545a9e7a0a8 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -493,6 +493,9 @@ void intel_uc_reset_prepare(struct drm_i915_private *i915)
if (!USES_GUC(i915))
return;
+ if (!intel_guc_is_alive(guc))
+ return;
+
guc_stop_communication(guc);
__uc_sanitize(i915);
}
--
2.19.2
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