linux-kernel - [PATCH -next] drm/i915: Remove set but not used variable 'encoder'

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Date:   Fri, 5 Jul 2019 11:31:12 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     <jani.nikula@...ux.intel.com>, <joonas.lahtinen@...ux.intel.com>,
        <rodrigo.vivi@...el.com>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <imre.deak@...el.com>, <dhinakaran.pandiyan@...el.com>,
        <ville.syrjala@...ux.intel.com>, <chris@...is-wilson.co.uk>,
        <manasi.d.navare@...el.com>
CC:     YueHaibing <yuehaibing@...wei.com>,
        <intel-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] drm/i915: Remove set but not used variable 'encoder'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/i915/display/intel_dp.c: In function 'intel_dp_set_drrs_state':
drivers/gpu/drm/i915/display/intel_dp.c:6623:24: warning:
 variable 'encoder' set but not used [-Wunused-but-set-variable]

It's never used, so can be removed.Also remove related
variable 'dig_port'

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 8f7188d71d08..0bdb7ecc5a81 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6620,8 +6620,6 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv,
 				    const struct intel_crtc_state *crtc_state,
 				    int refresh_rate)
 {
-	struct intel_encoder *encoder;
-	struct intel_digital_port *dig_port = NULL;
 	struct intel_dp *intel_dp = dev_priv->drrs.dp;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
 	enum drrs_refresh_rate_type index = DRRS_HIGH_RR;
@@ -6636,9 +6634,6 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv,
 		return;
 	}
 
-	dig_port = dp_to_dig_port(intel_dp);
-	encoder = &dig_port->base;
-
 	if (!intel_crtc) {
 		DRM_DEBUG_KMS("DRRS: intel_crtc not initialized\n");
 		return;