drm/i915: Throw out some useless variables

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_dp.c

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 18bcfbe0b8ba02edd6c288bf0fb0a6fbb273abf6..09bdd94ca3ba435b452ef4593620b01fd59456d5 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -574,8 +574,6 @@ static int edp_notify_handler(struct notifier_block *this, unsigned long code,
                                                 edp_notifier);
        struct drm_device *dev = intel_dp_to_dev(intel_dp);
        struct drm_i915_private *dev_priv = dev->dev_private;
-       u32 pp_div;
-       u32 pp_ctrl_reg, pp_div_reg;
 
        if (!is_edp(intel_dp) || code != SYS_RESTART)
                return 0;
@@ -584,6 +582,8 @@ static int edp_notify_handler(struct notifier_block *this, unsigned long code,
 
        if (IS_VALLEYVIEW(dev)) {
                enum pipe pipe = vlv_power_sequencer_pipe(intel_dp);
+               u32 pp_ctrl_reg, pp_div_reg;
+               u32 pp_div;
 
                pp_ctrl_reg = VLV_PIPE_PP_CONTROL(pipe);
                pp_div_reg  = VLV_PIPE_PP_DIVISOR(pipe);
@@ -5536,7 +5536,6 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
        struct intel_dp *intel_dp = dev_priv->drrs.dp;
        struct intel_crtc_state *config = NULL;
        struct intel_crtc *intel_crtc = NULL;
-       u32 reg, val;
        enum drrs_refresh_rate_type index = DRRS_HIGH_RR;
 
        if (refresh_rate <= 0) {
@@ -5598,9 +5597,10 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
                        DRM_ERROR("Unsupported refreshrate type\n");
                }
        } else if (INTEL_INFO(dev)->gen > 6) {
-               reg = PIPECONF(intel_crtc->config->cpu_transcoder);
-               val = I915_READ(reg);
+               u32 reg = PIPECONF(intel_crtc->config->cpu_transcoder);
+               u32 val;
 
+               val = I915_READ(reg);
                if (index > DRRS_HIGH_RR) {
                        if (IS_VALLEYVIEW(dev))
                                val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV;