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82f55af06a
linux_dsm_epyc7002/drivers/video/geode
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Jens Rottmann 82f55af06a fix "lxfb: extend PLL table to support dotclocks below 25 MHz" 
The following patch caused a regression with OLPC panels:

 commit 3888d4639e
    lxfb: extend PLL table to support dotclocks below 25 MHz

    Extends the PLL frequency table of the AMD Geode-LX frame buffer driver to
    make use of the DIV4 bit, thus adding support for dotclocks between 6 and 25
    MHz.  These are needed for small LCDs (e.g.  320x240).  Also inserts some
    intermediate steps between pre-existing frequencies.

The problem was the insertion of intermediate steps into the frequency
table; they would cause the wrong frequency to be matched.  This patch
drops those intermediate frequencies while keeping the sub-25MHz
frequencies.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Jens Rottmann <JRottmann@LiPPERT-AT.de>
Tested-by: Andres Salomon <dilinger@debian.org>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-14 19:11:13 -07:00
..
display_gx1.c [PATCH] more SPIN_LOCK_UNLOCKED -> DEFINE_SPINLOCK conversions 2005-09-09 14:03:48 -07:00
display_gx1.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
display_gx.c gxfb/lxfb: detect framebuffer size using an MSR if VSA2 isn't available 2008-04-28 08:58:40 -07:00
geodefb.h [PATCH] fbdev: geode updates 2005-09-09 13:57:59 -07:00
gx1fb_core.c [PATCH] Recognize video=gx1fb:... option 2007-02-12 09:48:42 -08:00
gxfb_core.c OLPC: gxfb/lxfb: add DCON panel modes to framebuffer drivers 2008-04-28 08:58:40 -07:00
gxfb.h gxfb: add power management functionality 2008-04-28 08:58:36 -07:00
Kconfig gxfb: replace FBSIZE config option with a module parameter 2008-04-28 08:58:36 -07:00
lxfb_core.c OLPC: gxfb/lxfb: add DCON panel modes to framebuffer drivers 2008-04-28 08:58:40 -07:00
lxfb_ops.c fix "lxfb: extend PLL table to support dotclocks below 25 MHz" 2008-05-14 19:11:13 -07:00
lxfb.h lxfb: add power management functionality 2008-04-28 08:58:39 -07:00
Makefile gxfb: add power management functionality 2008-04-28 08:58:36 -07:00
suspend_gx.c gxfb: add power management functionality 2008-04-28 08:58:36 -07:00
video_cs5530.c [PATCH] fbdev: geode updates 2005-09-09 13:57:59 -07:00
video_cs5530.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
video_gx.c lxfb/gxfb: when blanking with FB_BLANK_POWERDOWN, also turn off the CRT 2008-04-28 08:58:40 -07:00