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drm/gma500: remove set but not used variables 'hist_reg'

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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
This commit is contained in:
Chen Zhou 2019-12-27 19:48:11 +08:00 committed by Patrik Jakobsson
parent 6fe082b0fb
commit 72f775611d
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/gma500/psb_irq.c
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@ -470,12 +470,11 @@ void psb_irq_turn_off_dpst(struct drm_device *dev)
{
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) dev->dev_private;
u32 hist_reg;
u32 pwm_reg;
if (gma_power_begin(dev, false)) {
PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
PSB_RVDC32(HISTOGRAM_INT_CONTROL);
psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);