mmCP_RB_DOORBELL_CONTROL_DEFAULT 2536 drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_1_0_default.h #define mmCP_RB_DOORBELL_CONTROL_DEFAULT                                         0x00000000
mmCP_RB_DOORBELL_CONTROL_DEFAULT 1224 drivers/gpu/drm/amd/include/asic_reg/gc/gc_9_0_default.h #define mmCP_RB_DOORBELL_CONTROL_DEFAULT                                         0x00000000