1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e9a85a575a1c..ab8ce4ceed2e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -957,8 +957,8 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
         WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
                           GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
 
-        if (INTEL_REVID(dev) >= SKL_REVID_A0 &&
-            INTEL_REVID(dev) <= SKL_REVID_B0) {
+        if (INTEL_REVID(dev) == SKL_REVID_A0 ||
+            INTEL_REVID(dev) == SKL_REVID_B0) {
                 /*
                 * WaDisableDgMirrorFixInHalfSliceChicken5:skl
                 * This is a pre-production w/a.