driver need to know the real power source to do some power related configuration when initialize. Signed-off-by: Rex Zhu <Rex.Zhu at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 57a4f39..7a085f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -25,6 +25,7 @@ * Alex Deucher * Jerome Glisse */ +#include <linux/power_supply.h> #include <linux/kthread.h> #include <linux/console.h> #include <linux/slab.h> @@ -2281,6 +2282,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, INIT_DELAYED_WORK(&adev->late_init_work, amdgpu_device_ip_late_init_func_handler); + adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false; + /* Registers mapping */ /* TODO: block userspace mapping of io register */ if (adev->asic_type >= CHIP_BONAIRE) { -- 1.9.1