RADEON_CRTC2_GEN_CNTL
if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL,
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
reg = RADEON_CRTC2_GEN_CNTL;
RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32_P(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_EN, ~(RADEON_CRTC2_EN | mask));
WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~(RADEON_CRTC2_EN | mask));
gen_cntl_reg = RADEON_CRTC2_GEN_CNTL;
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL) & 0x00718080;
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL,
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);