diff options
Diffstat (limited to 'drivers/video/aty/mach64_ct.c')
| -rw-r--r-- | drivers/video/aty/mach64_ct.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/aty/mach64_ct.c b/drivers/video/aty/mach64_ct.c index c50c7cf26fe9..2745b8539485 100644 --- a/drivers/video/aty/mach64_ct.c +++ b/drivers/video/aty/mach64_ct.c @@ -8,6 +8,9 @@ #include <asm/io.h> #include <video/mach64.h> #include "atyfb.h" +#ifdef CONFIG_PPC +#include <asm/machdep.h> +#endif #undef DEBUG @@ -536,6 +539,14 @@ static int __devinit aty_init_pll_ct(const struct fb_info *info, pll->ct.xclk_post_div_real = postdividers[xpost_div]; pll->ct.mclk_fb_div = q * pll->ct.xclk_post_div_real / 8; +#ifdef CONFIG_PPC + if (machine_is(powermac)) { + /* Override PLL_EXT_CNTL & 0x07. */ + pll->ct.xclk_post_div = xpost_div; + pll->ct.xclk_ref_div = 1; + } +#endif + #ifdef DEBUG pllmclk = (1000000 * pll->ct.mclk_fb_mult * pll->ct.mclk_fb_div) / (par->ref_clk_per * pll->ct.pll_ref_div); |