[Bug 93885] radeon: allow the user to set a maximum HDMI pixel clock (in MHz) by a kernel parameter

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jan 27 07:56:07 PST 2016


--- Comment #6 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Elmar Stellnberger from comment #4)
>  Only with DP? How can that be? I have just had a look at various Radeon R5
> 230 cards via geizhals.at and all producers (MSI,Asus,XFX) feature at least
> 625MHz for the clock and just VGA, DVI and HDMI as output. I have never
> heard of a DisplayPort connector for that type of card.

The hw supports DP, it's up to the AIB vendors to decide what configurations
they want to produce.  The 625 Mhz is the 3D engine clock; nothing to do with

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