[PATCH 22/25] DC off warning

[José Roberto de Souza]

---
 drivers/gpu/drm/i915/intel_runtime_pm.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 11d6fd3fd0b9..87440efb24b1 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -4084,11 +4084,22 @@ static void intel_power_domains_verify_state(struct drm_i915_private *dev_priv)
 		enabled = power_well->desc->ops->is_enabled(dev_priv,
 							    power_well);
 		if ((power_well->count || power_well->desc->always_on) !=
-		    enabled)
+		    enabled) {
+			/* If DMC firmware is not loaded it could cause a
+		         * mismatch state as we don't disable it, so let's do
+		         * not print any error.
+			 */
+			if ((power_well->desc->domains &
+			     BIT_ULL(POWER_DOMAIN_GT_IRQ))
+			    && !dev_priv->csr.dmc_payload)
+				goto skip_state_mismatch_error;
+
 			DRM_ERROR("power well %s state mismatch (refcount %d/enabled %d)",
 				  power_well->desc->name,
 				  power_well->count, enabled);
+		}
 
+skip_state_mismatch_error:
 		domains_count = 0;
 		for_each_power_domain(domain, power_well->desc->domains)
 			domains_count += power_domains->domain_use_count[domain];
-- 
2.18.0