VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK  600 drivers/gpu/drm/amd/amdgpu/vce_v3_0.c #define  VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK   0x00000020L   /* RB1_BUSY */
VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK  692 drivers/gpu/drm/amd/amdgpu/vce_v4_0.c #define  VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK   0x00000020L   /* RB1_BUSY */