From c0887eedb4498e20e7895508b7af8e419e397405 Mon Sep 17 00:00:00 2001
From: Ville Syrjala <syrjala@sci.fi>
Date: Wed, 27 Jun 2007 14:09:46 -0700
Subject: [PATCH] atyfb: Fix XCLK frequency on Apple iBook1
Fix a regression on Apple iBook1. Changes in the clock init code caused an
incorrect XCLK frequency to be used leading to a corrupted display.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Cc: Olaf Hering <olaf@aepfle.de>
Cc: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/video/aty/atyfb_base.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 8d3455da663a..2fbff6317433 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2290,15 +2290,6 @@ static int __devinit aty_init(struct fb_info *info)
init_waitqueue_head(&par->vblank.wait);
spin_lock_init(&par->int_lock);
-#ifdef CONFIG_PPC_PMAC
- /* The Apple iBook1 uses non-standard memory frequencies. We detect it
- * and set the frequency manually. */
- if (machine_is_compatible("PowerBook2,1")) {
- par->pll_limits.mclk = 70;
- par->pll_limits.xclk = 53;
- }
-#endif
-
#ifdef CONFIG_FB_ATY_GX
if (!M64_HAS(INTEGRATED)) {
u32 stat0;
@@ -2383,6 +2374,14 @@ static int __devinit aty_init(struct fb_info *info)
par->pll_limits.xclk = (par->pll_limits.xclk + 1) >> 1;
}
#endif
+#ifdef CONFIG_PPC_PMAC
+ /* The Apple iBook1 uses non-standard memory frequencies. We detect it
+ * and set the frequency manually. */
+ if (machine_is_compatible("PowerBook2,1")) {
+ par->pll_limits.mclk = 70;
+ par->pll_limits.xclk = 53;
+ }
+#endif
/* Allow command line to override clocks. */
if (pll)
--
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