CHANNEL_XBAR_CNTL 115 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h uint32_t CHANNEL_XBAR_CNTL; CHANNEL_XBAR_CNTL 64 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.h SRI(CHANNEL_XBAR_CNTL, UNIPHY, id)