On Mon, 2013-09-09 at 16:42 +0800, Aaron Lu wrote:
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f466980..75fba17 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1650,7 +1650,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (INTEL_INFO(dev)->num_pipes) { /* Must be done after probing outputs */ intel_opregion_init(dev);
acpi_video_register();
__acpi_video_register(i915_take_over_backlight);
}
if (IS_GEN5(dev))
I can't compile:
DEBUG: drivers/gpu/drm/i915/i915_dma.c: In function 'i915_driver_load': DEBUG: drivers/gpu/drm/i915/i915_dma.c:1661:3: error: implicit declaration of function '__acpi_video_register' [-Werror=implicit-function-declaration] DEBUG: __acpi_video_register(i915_take_over_backlight); DEBUG: ^ DEBUG: cc1: some warnings being treated as errors DEBUG: make[4]: *** [drivers/gpu/drm/i915/i915_dma.o] Error 1 DEBUG: make[3]: *** [drivers/gpu/drm/i915] Error 2 DEBUG: make[2]: *** [drivers/gpu/drm] Error 2 DEBUG: make[1]: *** [drivers/gpu] Error 2 DEBUG: make: *** [drivers] Error 2