1 files changed, 21 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 02341c189803..6ea6351f5123 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1391,7 +1391,7 @@ static void intel_uncore_fw_domains_init(struct intel_uncore *uncore)
 {
 	struct drm_i915_private *i915 = uncore_to_i915(uncore);
 
-	if (INTEL_GEN(i915) <= 5 || intel_vgpu_active(i915))
+	if (!intel_uncore_has_forcewake(uncore))
 		return;
 
 	if (INTEL_GEN(i915) >= 11) {
@@ -1590,6 +1590,9 @@ int intel_uncore_init(struct intel_uncore *uncore)
 
 	i915_check_vgpu(i915);
 
+	if (INTEL_GEN(i915) > 5 && !intel_vgpu_active(i915))
+		uncore->flags |= UNCORE_HAS_FORCEWAKE;
+
 	intel_uncore_edram_detect(i915);
 	intel_uncore_fw_domains_init(uncore);
 	__intel_uncore_early_sanitize(uncore, 0);
@@ -1598,12 +1601,14 @@ int intel_uncore_init(struct intel_uncore *uncore)
 	uncore->pmic_bus_access_nb.notifier_call =
 		i915_pmic_bus_access_notifier;
 
-	if (IS_GEN_RANGE(i915, 2, 4) || intel_vgpu_active(i915)) {
-		ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen2);
-		ASSIGN_READ_MMIO_VFUNCS(uncore, gen2);
-	} else if (IS_GEN(i915, 5)) {
-		ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen5);
-		ASSIGN_READ_MMIO_VFUNCS(uncore, gen5);
+	if (!intel_uncore_has_forcewake(uncore)) {
+		if (IS_GEN(i915, 5)) {
+			ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen5);
+			ASSIGN_READ_MMIO_VFUNCS(uncore, gen5);
+		} else {
+			ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen2);
+			ASSIGN_READ_MMIO_VFUNCS(uncore, gen2);
+		}
 	} else if (IS_GEN_RANGE(i915, 6, 7)) {
 		ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen6);
 
@@ -1912,7 +1917,10 @@ intel_uncore_forcewake_for_read(struct drm_i915_private *dev_priv,
 	} else if (INTEL_GEN(dev_priv) >= 6) {
 		fw_domains = __gen6_reg_read_fw_domains(uncore, offset);
 	} else {
-		WARN_ON(!IS_GEN_RANGE(dev_priv, 2, 5));
+		/* on devices with FW we expect to hit one of the above cases */
+		if (intel_uncore_has_forcewake(uncore))
+			MISSING_CASE(INTEL_GEN(dev_priv));
+
 		fw_domains = 0;
 	}
 
@@ -1938,7 +1946,10 @@ intel_uncore_forcewake_for_write(struct drm_i915_private *dev_priv,
 	} else if (IS_GEN_RANGE(dev_priv, 6, 7)) {
 		fw_domains = FORCEWAKE_RENDER;
 	} else {
-		WARN_ON(!IS_GEN_RANGE(dev_priv, 2, 5));
+		/* on devices with FW we expect to hit one of the above cases */
+		if (intel_uncore_has_forcewake(uncore))
+			MISSING_CASE(INTEL_GEN(dev_priv));
+
 		fw_domains = 0;
 	}
 
@@ -1969,7 +1980,7 @@ intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv,
 
 	WARN_ON(!op);
 
-	if (intel_vgpu_active(dev_priv))
+	if (!intel_uncore_has_forcewake(&dev_priv->uncore))
 		return 0;
 
 	if (op & FW_REG_READ)