[PATCH next] drm/gma500: remove set but not used variables 'hist_reg'

From: Chen Zhou
Date: Fri Dec 27 2019 - 06:52:02 EST


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>
---
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 40a37e4..91f9001 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -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);

--
2.7.4