RADEON_PIX2CLK_SRC_SEL_MASK
~(RADEON_PIX2CLK_SRC_SEL_MASK)) |
~(RADEON_PIX2CLK_SRC_SEL_MASK));
~(RADEON_PIX2CLK_SRC_SEL_MASK));
*pixclks_cntl &= ~(RADEON_PIX2CLK_SRC_SEL_MASK | RADEON_PIXCLK_TV_SRC_SEL);
*pixclks_cntl &= ~RADEON_PIX2CLK_SRC_SEL_MASK;