Symbol: DEVICE_ATTR_RW
sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c
1291
static DEVICE_ATTR_RW(current_memory_partition);
sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
7531
static DEVICE_ATTR_RW(panel_power_savings);