AVIVO_D2VGA_CONTROL 2092 drivers/gpu/drm/amd/amdgpu/sid.h #define AVIVO_D2VGA_CONTROL					0x00ce
AVIVO_D2VGA_CONTROL  300 drivers/gpu/drm/radeon/r500_reg.h #define AVIVO_D2VGA_CONTROL					0x0338