The patch titled
atyfb: halve XCLK with Mobility and 32bit memory
has been added to the -mm tree. Its filename is
atyfb-halve-xclk-with-mobility-and-32bit-memory.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: atyfb: halve XCLK with Mobility and 32bit memory
From: Ville Syrjala <syrjala@xxxxxx>
Laptops with Rage Mobility and 32bit memory interface seem to require halved
XCLK to operate correctly.
Signed-off-by: Antonino Daplas <adaplas@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/aty/atyfb_base.c | 3 +++
include/video/mach64.h | 1 +
2 files changed, 4 insertions(+)
diff -puN drivers/video/aty/atyfb_base.c~atyfb-halve-xclk-with-mobility-and-32bit-memory drivers/video/aty/atyfb_base.c
--- a/drivers/video/aty/atyfb_base.c~atyfb-halve-xclk-with-mobility-and-32bit-memory
+++ a/drivers/video/aty/atyfb_base.c
@@ -2377,6 +2377,9 @@ static int __devinit aty_init(struct fb_
/* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */
if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM)
par->pll_limits.mclk = 63;
+ /* Mobility + 32bit memory interface need halved XCLK. */
+ if (M64_HAS(MOBIL_BUS) && par->ram_type == SDRAM32)
+ par->pll_limits.xclk = (par->pll_limits.xclk + 1) >> 1;
}
#endif
diff -puN include/video/mach64.h~atyfb-halve-xclk-with-mobility-and-32bit-memory include/video/mach64.h
--- a/include/video/mach64.h~atyfb-halve-xclk-with-mobility-and-32bit-memory
+++ a/include/video/mach64.h
@@ -885,6 +885,7 @@
#define SDRAM 4
#define SGRAM 5
#define WRAM 6
+#define SDRAM32 6
#define DAC_INTERNAL 0x00
#define DAC_IBMRGB514 0x01
_
Patches currently in -mm which might be from syrjala@xxxxxx are
origin.patch
git-input.patch
pnp-notice-whether-we-have-pnp-devices-pnpbios-or-pnpacpi.patch
pnp-workaround-hp-bios-defect-that-leaves-smcf010-device-partly-enabled.patch
smsc-ircc2-tidy-up-module-parameter-checking.patch
smsc-ircc2-add-pnp-support.patch
x86-serial-convert-legacy-com-ports-to-platform-devices.patch
x86-serial-convert-legacy-com-ports-to-platform-devices-fix.patch
atyfb-increase-spll-delay.patch
atyfb-reorganize-clock-init.patch
atyfb-halve-xclk-with-mobility-and-32bit-memory.patch
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