[Bug 172421] radeon: allow to set the TMDS frequency by a special kernel parameter

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=172421

--- Comment #22 from Elmar Stellnberger (estellnb@elstel.org) ---
  The patch was not accepted because someone claimed it could damage the
hardware. All lies. As years have gone by these graphics cards are still under
daily use with this UHD patch and no damages have ever occured. As this
hardware is still in use I would really like to see this in mainline, not just
the Mageia kernel. Someone who knows about it, told it would be highly
improbable that this could be detrimental for the hardware. The only fallacy
would be that the screen shows black on a too high TMDS and nobody would ever
continue to run the graphics card with a TMDS that yields a black screen. This
hardware is near to getting phased out on many computers by now and I´d regard
it as ridiculous if the patch is withheld because of the argument that it could
damage hardware on the long run. This hardware will get phased out long before
any damage could ever occur.
  As distributors and kernel developers still support Pentium IV hardware I am
reopening this bug. This is about Core 2 aged hardware which is totally
sufficient for UHD/desktop computers. I would never give up my Xi3650 machines
because they are ultimately silent, something you don´t get with a newer
computer. And unfortunately the Xi3650 does not work with newer 3D gaming UHD
graphics cards (these cards inhibt s2ram also on Windows, which isn´t what you
want for a desktop system)

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