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authorVille Syrjala <syrjala@sci.fi>2007-05-08 00:39:45 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:32 -0700
commitb4e124c138558a0cff51398ddff9a8e44ed0b529 (patch)
treee1a639605283cc9b55d51d81fae54e330a84e34c
parent94f45bcd1c29e773b6bf189ef7b9a3437d016320 (diff)
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atyfb: reorganize clock init
Reorganize atyfb clock init code so command line clock overrides are effective for all chips. The old code would silently ignore some of the command line clock overrides with some chips. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/video/aty/atyfb_base.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index a92e02aa8d18..b61ab3b4c922 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2297,20 +2297,6 @@ static int __devinit aty_init(struct fb_info *info)
par->pll_limits.xclk = 53;
}
#endif
- if (pll)
- par->pll_limits.pll_max = pll;
- if (mclk)
- par->pll_limits.mclk = mclk;
- if (xclk)
- par->pll_limits.xclk = xclk;
-
- aty_calc_mem_refresh(par, par->pll_limits.xclk);
- par->pll_per = 1000000/par->pll_limits.pll_max;
- par->mclk_per = 1000000/par->pll_limits.mclk;
- par->xclk_per = 1000000/par->pll_limits.xclk;
-
- par->ref_clk_per = 1000000000000ULL / 14318180;
- xtal = "14.31818";
#ifdef CONFIG_FB_ATY_GX
if (!M64_HAS(INTEGRATED)) {
@@ -2392,7 +2378,25 @@ static int __devinit aty_init(struct fb_info *info)
if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM)
par->pll_limits.mclk = 63;
}
+#endif
+ /* Allow command line to override clocks. */
+ if (pll)
+ par->pll_limits.pll_max = pll;
+ if (mclk)
+ par->pll_limits.mclk = mclk;
+ if (xclk)
+ par->pll_limits.xclk = xclk;
+
+ aty_calc_mem_refresh(par, par->pll_limits.xclk);
+ par->pll_per = 1000000/par->pll_limits.pll_max;
+ par->mclk_per = 1000000/par->pll_limits.mclk;
+ par->xclk_per = 1000000/par->pll_limits.xclk;
+
+ par->ref_clk_per = 1000000000000ULL / 14318180;
+ xtal = "14.31818";
+
+#ifdef CONFIG_FB_ATY_CT
if (M64_HAS(GTB_DSP)) {
u8 pll_ref_div = aty_ld_pll_ct(PLL_REF_DIV, par);
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