gma500: psb_irq_turn_off_dpst() fix bit operation

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 4ffb2a062098..8652cdf3f03f 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -426,7 +426,7 @@ void psb_irq_turn_off_dpst(struct drm_device *dev)
                 psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
 
                 pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-                PSB_WVDC32(pwm_reg & !(PWM_PHASEIN_INT_ENABLE),
+                PSB_WVDC32(pwm_reg & ~PWM_PHASEIN_INT_ENABLE,
                                                         PWM_CONTROL_LOGIC);
                 pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);