From: zhengbin <zhengbi...@huawei.com>

[ Upstream commit a7adabeece570b8a566dd592219410456676796e ]

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

drivers/gpu/drm/gma500/cdv_intel_dp.c: In function 
cdv_intel_dp_complete_link_train:
drivers/gpu/drm/gma500/cdv_intel_dp.c:1596:7: warning: variable channel_eq set 
but not used [-Wunused-but-set-variable]

It is never used, so remove it.

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: zhengbin <zhengbi...@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Link: 
https://patchwork.freedesktop.org/patch/msgid/1573902268-117518-1-git-send-email-zhengbi...@huawei.com
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/gma500/cdv_intel_dp.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c 
b/drivers/gpu/drm/gma500/cdv_intel_dp.c
index 90ed20083009f..710296bafe9b0 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -1593,7 +1593,6 @@ cdv_intel_dp_complete_link_train(struct gma_encoder 
*encoder)
 {
        struct drm_device *dev = encoder->base.dev;
        struct cdv_intel_dp *intel_dp = encoder->dev_priv;
-       bool channel_eq = false;
        int tries, cr_tries;
        u32 reg;
        uint32_t DP = intel_dp->DP;
@@ -1601,7 +1600,6 @@ cdv_intel_dp_complete_link_train(struct gma_encoder 
*encoder)
        /* channel equalization */
        tries = 0;
        cr_tries = 0;
-       channel_eq = false;
 
        DRM_DEBUG_KMS("\n");
                reg = DP | DP_LINK_TRAIN_PAT_2;
@@ -1647,7 +1645,6 @@ cdv_intel_dp_complete_link_train(struct gma_encoder 
*encoder)
 
                if (cdv_intel_channel_eq_ok(encoder)) {
                        DRM_DEBUG_KMS("PT2 train is done\n");
-                       channel_eq = true;
                        break;
                }
 
-- 
2.20.1

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