This macro doesn't work because the right shift has higher precedence
than bitwise AND.

Fixes: 9749a5b6c09f ("drm/i915/tgl: Fix the read of the DDI that transcoder is 
attached to")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 4a947bd0a294..def6dbdc7e2e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9433,7 +9433,7 @@ enum skl_power_gate {
 #define  TRANS_DDI_SELECT_PORT(x)      ((x) << TRANS_DDI_PORT_SHIFT)
 #define  TGL_TRANS_DDI_SELECT_PORT(x)  (((x) + 1) << TGL_TRANS_DDI_PORT_SHIFT)
 #define  TRANS_DDI_FUNC_CTL_VAL_TO_PORT(val)    (((val) & TRANS_DDI_PORT_MASK) 
>> TRANS_DDI_PORT_SHIFT)
-#define  TGL_TRANS_DDI_FUNC_CTL_VAL_TO_PORT(val) (((val) & 
TGL_TRANS_DDI_PORT_MASK >> TGL_TRANS_DDI_PORT_SHIFT) - 1)
+#define  TGL_TRANS_DDI_FUNC_CTL_VAL_TO_PORT(val) ((((val) & 
TGL_TRANS_DDI_PORT_MASK) >> TGL_TRANS_DDI_PORT_SHIFT) - 1)
 #define  TRANS_DDI_MODE_SELECT_MASK    (7 << 24)
 #define  TRANS_DDI_MODE_SELECT_HDMI    (0 << 24)
 #define  TRANS_DDI_MODE_SELECT_DVI     (1 << 24)
-- 
2.20.1

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