diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index e48df11a19fb..00d4efcd4269 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2862,6 +2862,19 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size)
 	return 0;
 }
 
+static void tgl_setup_private_ppat(struct drm_i915_private *dev_priv)
+{
+	/* TGL doesn't support LLC or AGE settings */
+	I915_WRITE(GEN12_PAT_INDEX(0), GEN8_PPAT_WB);
+	I915_WRITE(GEN12_PAT_INDEX(1), GEN8_PPAT_WC);
+	I915_WRITE(GEN12_PAT_INDEX(2), GEN8_PPAT_WT);
+	I915_WRITE(GEN12_PAT_INDEX(3), GEN8_PPAT_UC);
+	I915_WRITE(GEN12_PAT_INDEX(4), GEN8_PPAT_WB);
+	I915_WRITE(GEN12_PAT_INDEX(5), GEN8_PPAT_WB);
+	I915_WRITE(GEN12_PAT_INDEX(6), GEN8_PPAT_WB);
+	I915_WRITE(GEN12_PAT_INDEX(7), GEN8_PPAT_WB);
+}
+
 static void cnl_setup_private_ppat(struct drm_i915_private *dev_priv)
 {
 	I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_WB | GEN8_PPAT_LLC);
@@ -2942,7 +2955,9 @@ static void setup_private_pat(struct drm_i915_private *dev_priv)
 {
 	GEM_BUG_ON(INTEL_GEN(dev_priv) < 8);
 
-	if (INTEL_GEN(dev_priv) >= 10)
+	if (INTEL_GEN(dev_priv) >= 12)
+		tgl_setup_private_ppat(dev_priv);
+	else if (INTEL_GEN(dev_priv) >= 10)
 		cnl_setup_private_ppat(dev_priv);
 	else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv))
 		chv_setup_private_ppat(dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ea2f0fa2402d..2abd199093c5 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2456,6 +2456,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define GEN8_PRIVATE_PAT_LO	_MMIO(0x40e0)
 #define GEN8_PRIVATE_PAT_HI	_MMIO(0x40e0 + 4)
 #define GEN10_PAT_INDEX(index)	_MMIO(0x40e0 + (index) * 4)
+#define GEN12_PAT_INDEX(index)	_MMIO(0x4800 + (index) * 4)
 #define BSD_HWS_PGA_GEN7	_MMIO(0x04180)
 #define BLT_HWS_PGA_GEN7	_MMIO(0x04280)
 #define VEBOX_HWS_PGA_GEN7	_MMIO(0x04380)