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Subject[PATCH AUTOSEL 5.4 260/459] drm/gma500: remove set but not used variables 'hist_reg'
Date
From: Chen Zhou <chenzhou10@huawei.com>

[ 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@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
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 dc6a73ab9777c..f29061061debf 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -458,12 +458,11 @@ 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
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