- tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]);
- if (REG_GET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
- tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
- WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp);
- }
- tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
- if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
- tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
- WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
- }
- tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
- if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
- tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
- WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
- }
- for (j = 0; j < adev->usec_timeout; j++) {
- tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
- if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
- break;
- udelay(1);
- }