Re: Fix GPU triggering random system read after VRAM start change

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On Fri, Jul 27, 2012 at 4:32 PM,  <j.glisse@xxxxxxxxx> wrote:
> So first patch is a fix in itself, smallest possible and should go to
> stable. Second patch is an improvement as a first step to flicker free
> boot.

First patch looks ok.  In mc_stop we should disable the crtc and then
poll CRTC_CONTROL.CRTC_CURRENT_MASTER_EN_STATE until it goes to 0 to
make sure the crtc has actually stopped reading before we change the
mc config.  Other than that,

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

>
> I have yet extensively tested second patch, especialy not on AGP but
> so far on few GPU/motherboard it looks good. It can probably wait 3.7.
> Will test it more and report.

Looks good as well.  A nice clean up to boot.

>
> I have a third patch that is a step closer to flicker free boot on uefi,
> waiting ack to release a reg.
>
> Cheers,
> Jerome
>
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