drm/msm/dpu: Remove some set but not used variables

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

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function _dpu_debugfs_show_regset32:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:142:26: warning: variable priv set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function dpu_kms_prepare_commit:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:271:21: warning: variable dev set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function _dpu_kms_hw_destroy:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:555:21: warning: variable dev set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function dpu_kms_hw_init:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:763:26: warning: variable priv set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function dpu_runtime_suspend:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:1021:21: warning: variable ddev set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: tongtiangen <tongtiangen@huawei.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 59d42ff..ce19f1d 100644 (file)
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -138,16 +138,12 @@ static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data)
 {
        struct dpu_debugfs_regset32 *regset = s->private;
        struct dpu_kms *dpu_kms = regset->dpu_kms;
-       struct drm_device *dev;
-       struct msm_drm_private *priv;
        void __iomem *base;
        uint32_t i, addr;
 
        if (!dpu_kms->mmio)
                return 0;
 
-       dev = dpu_kms->dev;
-       priv = dev->dev_private;
        base = dpu_kms->mmio + regset->offset;
 
        /* insert padding spaces, if needed */
@@ -346,8 +342,6 @@ static ktime_t dpu_kms_vsync_time(struct msm_kms *kms, struct drm_crtc *crtc)
 static void dpu_kms_prepare_commit(struct msm_kms *kms,
                struct drm_atomic_state *state)
 {
-       struct dpu_kms *dpu_kms;
-       struct drm_device *dev;
        struct drm_crtc *crtc;
        struct drm_crtc_state *crtc_state;
        struct drm_encoder *encoder;
@@ -355,8 +349,6 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms,
 
        if (!kms)
                return;
-       dpu_kms = to_dpu_kms(kms);
-       dev = dpu_kms->dev;
 
        /* Call prepare_commit for all affected encoders */
        for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
@@ -631,11 +623,8 @@ static long dpu_kms_round_pixclk(struct msm_kms *kms, unsigned long rate,
 
 static void _dpu_kms_hw_destroy(struct dpu_kms *dpu_kms)
 {
-       struct drm_device *dev;
        int i;
 
-       dev = dpu_kms->dev;
-
        if (dpu_kms->hw_intr)
                dpu_hw_intr_destroy(dpu_kms->hw_intr);
        dpu_kms->hw_intr = NULL;
@@ -839,7 +828,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 {
        struct dpu_kms *dpu_kms;
        struct drm_device *dev;
-       struct msm_drm_private *priv;
        int i, rc = -EINVAL;
 
        if (!kms) {
@@ -854,8 +842,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
        if (rc)
                return rc;
 
-       priv = dev->dev_private;
-
        atomic_set(&dpu_kms->bandwidth_ref, 0);
 
        dpu_kms->mmio = msm_ioremap(dpu_kms->pdev, "mdp", "mdp");
@@ -1102,10 +1088,8 @@ static int __maybe_unused dpu_runtime_suspend(struct device *dev)
        int rc = -1;
        struct platform_device *pdev = to_platform_device(dev);
        struct dpu_kms *dpu_kms = platform_get_drvdata(pdev);
-       struct drm_device *ddev;
        struct dss_module_power *mp = &dpu_kms->mp;
 
-       ddev = dpu_kms->dev;
        rc = msm_dss_enable_clk(mp->clk_config, mp->num_clk, false);
        if (rc)
                DPU_ERROR("clock disable failed rc:%d\n", rc);