On Mon, Jan 10, 2011 at 01:17:05PM -0800, David Miller wrote:
> From: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Date: Mon, 10 Jan 2011 20:32:51 +0100
>
> > If I comment out the call to resume_pll() then I no longer see garbled output.
>
> Yeah, that just makes it simply not program the PLL at all.
>
> I just booted Linus's current tree on my Samsung 216BW and it works
> just fine. I'll try a few other monitors I have.
>
> If you have the time can you try these two tests?
>
> 1) In atyfb_setup_sparc(), comment out the whole block of code protected
> by:
>
> if (IS_XL(pdev->device)) {
> /*
> * Fix PROMs idea of MEM_CNTL settings...
> */
>
> 2) Force the:
>
> dp = pci_device_to_OF_node(pdev);
> if (dp == of_console_device) {
>
> test to fail.
>
> I've always been suspect of all of the special mode and MEM_CNTRL handling
> we have here for Sparc. If disabling it fixes stuff, I'd happily see this
> code get tossed out completely.
I have tried 1) and 2)
Independent and together.
The result was the same in all cases.
I have also tried with a LG Flatron W2425T Monotor - the same result.
On this box I have never had any graphical application running - so
we should also consider that this is a HW bug on my video card.
I found another SB100 on ebay wich I have placed a bid on - maybe I
am lucky to get it.
Sam
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