[Intel-gfx] [PATCH v5 2/8] drm/i915/uc: Disable GuC submission during sanitize

Michal Wajdeczko michal.wajdeczko at intel.com
Tue Mar 27 20:35:51 UTC 2018


We should not leave GuC submission enabled after sanitize,
as we are going to reset all GuC/HuC hardware.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 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 4aad844..ec90c81 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -330,6 +330,9 @@ void intel_uc_sanitize(struct drm_i915_private *i915)
 
 	GEM_BUG_ON(!HAS_GUC(i915));
 
+	if (USES_GUC_SUBMISSION(dev_priv))
+		intel_guc_submission_disable(guc);
+
 	guc_disable_communication(guc);
 
 	intel_huc_sanitize(huc);
-- 
1.9.1



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