From: Chen Zhou <chenzhou10@xxxxxxxxxx> [ Upstream commit 72f775611daf3ce20358388facbaf11f22899fa2 ] 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@xxxxxxxxxx> Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx> Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20191227114811.14907-1-chenzhou10@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/gma500/psb_irq.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c index f75f199c84311..518d7b4456bf1 100644 --- a/drivers/gpu/drm/gma500/psb_irq.c +++ b/drivers/gpu/drm/gma500/psb_irq.c @@ -471,12 +471,11 @@ 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); -- 2.20.1