This will help avoid Host to GuC actions being called till GuC gets
loaded during i915_drm_resume.
Signed-off-by: Sagar Arun Kamble <sagar.a.kam...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index bc2c67b..b6921c1 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1629,6 +1629,7 @@ static int i915_drm_resume(struct drm_device *dev)
static int i915_drm_resume_early(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
+ struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
int ret;
/*
@@ -1685,6 +1686,12 @@ static int i915_drm_resume_early(struct drm_device *dev)
DRM_ERROR("Resume prepare failed: %d, continuing anyway\n",
ret);
+ /*
+ * Mark GuC FW load status as PENDING to avoid any Host to GuC actions
+ * invoked till GuC gets loaded in i915_drm_resume.
+ */
+ guc_fw->guc_fw_load_status = GUC_FIRMWARE_PENDING;
+
intel_uncore_early_sanitize(dev_priv, true);
if (IS_BROXTON(dev_priv)) {
--
1.9.1
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