From: luo penghao <luo.peng...@zte.com.cn>

This value will be overwritten by the following if statement, even
if the if is not executed, the value will not be used

The clang_analyzer complains as follows:

Value stored to 'port_mask' is never read

Reported-by: Zeal Robot <zea...@zte.com.cn>
Signed-off-by: luo penghao <luo.peng...@zte.com.cn>
---
 drivers/gpu/drm/i915/display/intel_ddi.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c 
b/drivers/gpu/drm/i915/display/intel_ddi.c
index bd18432..3aad0c3 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2011,7 +2011,6 @@ void intel_ddi_sanitize_encoder_pll_mapping(struct 
intel_encoder *encoder)
                        return;
        }
 
-       port_mask = BIT(encoder->port);
        ddi_clk_needed = encoder->base.crtc;
 
        if (encoder->type == INTEL_OUTPUT_DSI) {
-- 
2.15.2


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