static void pineview_disable_cxsr(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 reg;
/* deactivate cxsr */
- reg = I915_READ(DSPFW3);
- reg &= ~(PINEVIEW_SELF_REFRESH_EN);
- I915_WRITE(DSPFW3, reg);
- DRM_INFO("Big FIFO is disabled\n");
+ I915_WRITE(DSPFW3, I915_READ(DSPFW3) & ~PINEVIEW_SELF_REFRESH_EN);
}
/*
DRM_DEBUG_KMS("DSPFW3 register is %x\n", reg);
/* activate cxsr */
- reg = I915_READ(DSPFW3);
- reg |= PINEVIEW_SELF_REFRESH_EN;
- I915_WRITE(DSPFW3, reg);
+ I915_WRITE(DSPFW3,
+ I915_READ(DSPFW3) | PINEVIEW_SELF_REFRESH_EN);
DRM_DEBUG_KMS("Self-refresh is enabled\n");
} else {
pineview_disable_cxsr(dev);