drm/gma500: remove set but not used variables 'hist_reg'
Fixes gcc '-Wunused-but-set-variable' warning: drivers/gpu/drm/gma500/psb_irq.c: In function psb_irq_turn_off_dpst: drivers/gpu/drm/gma500/psb_irq.c:473:6: warning: variable hist_reg set but not used [-Wunused-but-set-variable] Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Chen Zhou <chenzhou10@huawei.com> Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191227114811.14907-1-chenzhou10@huawei.com
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@ -470,12 +470,11 @@ void psb_irq_turn_off_dpst(struct drm_device *dev)
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{
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{
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struct drm_psb_private *dev_priv =
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struct drm_psb_private *dev_priv =
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(struct drm_psb_private *) dev->dev_private;
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(struct drm_psb_private *) dev->dev_private;
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u32 hist_reg;
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u32 pwm_reg;
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u32 pwm_reg;
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if (gma_power_begin(dev, false)) {
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if (gma_power_begin(dev, false)) {
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PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
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PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
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hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
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PSB_RVDC32(HISTOGRAM_INT_CONTROL);
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psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
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psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
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