AZ_HOT_PLUG_CONTROL  802 drivers/gpu/drm/radeon/evergreend.h #define AZ_HOT_PLUG_CONTROL                               0x5e78
AZ_HOT_PLUG_CONTROL  931 drivers/gpu/drm/radeon/r600d.h #define AZ_HOT_PLUG_CONTROL               0x7300
AZ_HOT_PLUG_CONTROL  901 drivers/gpu/drm/radeon/rv770d.h #define AZ_HOT_PLUG_CONTROL                               0x7300