From: Sagar Kamble <sagar.a.kam...@intel.com>
Need to take forcewake before GuC loading.
Issue: VIZ-4884
Change-Id: Ie422fc1e122933b161ff63cab23622197e6bba54
Signed-off-by: Sagar Kamble <sagar.a.kam...@intel.com>
---
drivers/gpu/drm/i915/intel_guc_loader.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c
b/drivers/gpu/drm/i915/intel_guc_loader.c
index 7c33cc5..4ae9e84 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -273,6 +273,7 @@ static int guc_load_ucode(struct drm_device *dev)
int ret;
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
ret = i915_gem_obj_ggtt_pin(guc_fw->uc_fw_obj, 0, 0);
if (ret)
@@ -326,6 +327,8 @@ out:
if (pinned)
i915_gem_object_ggtt_unpin(guc_fw->uc_fw_obj);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
+
return ret;
}
--
1.9.1
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