diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
index 43093dd2d0c9e..68ad99ac83e5d 100644
--- a/drivers/gpu/drm/i915/gt/intel_rc6.c
+++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
@@ -442,10 +442,10 @@ static bool bxt_check_bios_rc6_setup(struct intel_rc6 *rc6)
 		enable_rc6 = false;
 	}
 
-	if (!((intel_uncore_read(uncore, PWRCTX_MAXCNT_RCSUNIT) & IDLE_TIME_MASK) > 1 &&
-	      (intel_uncore_read(uncore, PWRCTX_MAXCNT_VCSUNIT0) & IDLE_TIME_MASK) > 1 &&
-	      (intel_uncore_read(uncore, PWRCTX_MAXCNT_BCSUNIT) & IDLE_TIME_MASK) > 1 &&
-	      (intel_uncore_read(uncore, PWRCTX_MAXCNT_VECSUNIT) & IDLE_TIME_MASK) > 1)) {
+	if (!((intel_uncore_read(uncore, PWRCTX_MAXCNT(RENDER_RING_BASE)) & IDLE_TIME_MASK) > 1 &&
+	      (intel_uncore_read(uncore, PWRCTX_MAXCNT(GEN6_BSD_RING_BASE)) & IDLE_TIME_MASK) > 1 &&
+	      (intel_uncore_read(uncore, PWRCTX_MAXCNT(BLT_RING_BASE)) & IDLE_TIME_MASK) > 1 &&
+	      (intel_uncore_read(uncore, PWRCTX_MAXCNT(VEBOX_RING_BASE)) & IDLE_TIME_MASK) > 1)) {
 		drm_dbg(&i915->drm,
 			"Engine Idle wait time not set properly.\n");
 		enable_rc6 = false;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ff9b9a1db8acb..bb3f843052a9c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8954,11 +8954,7 @@ enum {
 #define	   RC6_CTX_IN_DRAM			(1 << 0)
 #define  RC6_CTX_BASE				_MMIO(0xD48)
 #define    RC6_CTX_BASE_MASK			0xFFFFFFF0
-#define  PWRCTX_MAXCNT_RCSUNIT			_MMIO(0x2054)
-#define  PWRCTX_MAXCNT_VCSUNIT0			_MMIO(0x12054)
-#define  PWRCTX_MAXCNT_BCSUNIT			_MMIO(0x22054)
-#define  PWRCTX_MAXCNT_VECSUNIT			_MMIO(0x1A054)
-#define  PWRCTX_MAXCNT_VCSUNIT1			_MMIO(0x1C054)
+#define  PWRCTX_MAXCNT(base)			_MMIO((base) + 0x54)
 #define    IDLE_TIME_MASK			0xFFFFF
 #define  FORCEWAKE				_MMIO(0xA18C)
 #define  FORCEWAKE_VLV				_MMIO(0x1300b0)