deven_val 250 drivers/gpu/drm/i915/i915_drv.c u32 deven_val; deven_val 253 drivers/gpu/drm/i915/i915_drv.c &deven_val); deven_val 254 drivers/gpu/drm/i915/i915_drv.c deven_val &= ~DEVEN_MCHBAR_EN; deven_val 256 drivers/gpu/drm/i915/i915_drv.c deven_val);