RADEON_SCLK_FORCE_DISP2
tmp |= (RADEON_SCLK_FORCE_DISP2 | RADEON_SCLK_FORCE_CP |
RADEON_SCLK_FORCE_DISP2 |
RADEON_SCLK_FORCE_DISP2 |
tmp &= ~(RADEON_SCLK_FORCE_DISP2 | RADEON_SCLK_FORCE_CP |