[Bug 52952] Ubuntu 10.04.4 LTS 32-bit and ATI Technologies Radeon Xpress 200 for Intel (RC410) ACPI S3 State Resume Failure

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=52952

--- Comment #13 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #11)
> (In reply to comment #10)
> > try making the following change to radeon_combios_asic_init() in
> > radeon_combios.c in the kernel.  Remove the following code:
> > 
> >     /* DYN CLK 1 */
> >     table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
> >     if (table)
> >         combios_parse_pll_table(dev, table);
> > 
> > and see if that helps.
> 
> I am not saying that I cannot do this, but I am not a Linux kernel
> developer, so I am not sure how I can make the change, and recompile the
> kernel.
> I do have Windows device driver development experience, but I have never
> done software development with Linux.
> Keeping that in mind, can you provide me with detailed instructions on how
> to make the edits and recompile the kernel?

1. download the kernel source.
2. edit drivers/gpu/drm/radeon/radeon_combios.c in the kernel source tree and
remove the code in question.
3. build the kernel:
make
make modules
(as root) make modules_install
(as root) make install
4. reboot and pick the new kernel in the grub menu

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