[Intel-gfx] [PATCH v4 26/26] drm/i915: Mark GuC load status as PENDING in i915_drm_resume_early

[Sagar Arun Kamble]

This will help avoid Host to GuC actions being called till GuC gets
loaded during i915_drm_resume.

v2-v3: Rebase.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at 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 1f677a9..aeb97ac 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1627,6 +1627,7 @@ 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;
 	struct pci_dev *pdev = dev_priv->drm.pdev;
 	int ret;
 
@@ -1684,6 +1685,12 @@ 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