diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 3b088685a553..8fdb911344b3 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1670,12 +1670,22 @@ static int i915_fbc_status(struct seq_file *m, void *unused)
 		seq_printf(m, "FBC disabled: %s\n",
 			   dev_priv->fbc.no_fbc_reason);
 
-	if (intel_fbc_is_active(dev_priv) && INTEL_GEN(dev_priv) >= 7) {
-		uint32_t mask = INTEL_GEN(dev_priv) >= 8 ?
-				BDW_FBC_COMPRESSION_MASK :
-				IVB_FBC_COMPRESSION_MASK;
-		seq_printf(m, "Compressing: %s\n",
-			   yesno(I915_READ(FBC_STATUS2) & mask));
+	if (intel_fbc_is_active(dev_priv)) {
+		u32 mask;
+
+		if (INTEL_GEN(dev_priv) >= 8)
+			mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK;
+		else if (INTEL_GEN(dev_priv) >= 7)
+			mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK;
+		else if (INTEL_GEN(dev_priv) >= 5)
+			mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK;
+		else if (IS_G4X(dev_priv))
+			mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK;
+		else
+			mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING |
+							FBC_STAT_COMPRESSED);
+
+		seq_printf(m, "Compressing: %s\n", yesno(mask));
 	}
 
 	mutex_unlock(&dev_priv->fbc.lock);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1329420f4a1e..ac0bf2364efa 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2507,10 +2507,6 @@ enum skl_disp_power_wells {
 #define FBC_FENCE_OFF		_MMIO(0x3218) /* BSpec typo has 321Bh */
 #define FBC_TAG(i)		_MMIO(0x3300 + (i) * 4)
 
-#define FBC_STATUS2			_MMIO(0x43214)
-#define  IVB_FBC_COMPRESSION_MASK	0x7ff
-#define  BDW_FBC_COMPRESSION_MASK	0xfff
-
 #define FBC_LL_SIZE		(1536)
 
 #define FBC_LLC_READ_CTRL	_MMIO(0x9044)
@@ -2539,7 +2535,7 @@ enum skl_disp_power_wells {
 #define   DPFC_INVAL_SEG_SHIFT  (16)
 #define   DPFC_INVAL_SEG_MASK	(0x07ff0000)
 #define   DPFC_COMP_SEG_SHIFT	(0)
-#define   DPFC_COMP_SEG_MASK	(0x000003ff)
+#define   DPFC_COMP_SEG_MASK	(0x000007ff)
 #define DPFC_STATUS2		_MMIO(0x3214)
 #define DPFC_FENCE_YOFF		_MMIO(0x3218)
 #define DPFC_CHICKEN		_MMIO(0x3224)
@@ -2553,6 +2549,10 @@ enum skl_disp_power_wells {
 #define   DPFC_RESERVED		(0x1FFFFF00)
 #define ILK_DPFC_RECOMP_CTL	_MMIO(0x4320c)
 #define ILK_DPFC_STATUS		_MMIO(0x43210)
+#define  ILK_DPFC_COMP_SEG_MASK	0x7ff
+#define IVB_FBC_STATUS2		_MMIO(0x43214)
+#define  IVB_FBC_COMP_SEG_MASK	0x7ff
+#define  BDW_FBC_COMP_SEG_MASK	0xfff
 #define ILK_DPFC_FENCE_YOFF	_MMIO(0x43218)
 #define ILK_DPFC_CHICKEN	_MMIO(0x43224)
 #define   ILK_DPFC_DISABLE_DUMMY0 (1<<8)