diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e6f7ebfe86e5..b92385498d2c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1110,6 +1110,9 @@ void i8xx_disable_fbc(struct drm_device *dev) /* Disable compression */ fbc_ctl = I915_READ(FBC_CONTROL); + if ((fbc_ctl & FBC_CTL_EN) == 0) + return; + fbc_ctl &= ~FBC_CTL_EN; I915_WRITE(FBC_CONTROL, fbc_ctl); |