[PATCH 4/4] drm/amdgpu/gmc9: disable legacy vga features in gmc init

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On Tue, Jul 25, 2017 at 04:06:00AM +0000, Deucher, Alexander wrote:
> > -----Original Message-----
> > From: Alex Deucher [mailto:alexdeucher at gmail.com]
> > Sent: Monday, July 24, 2017 11:31 PM
> > To: amd-gfx at lists.freedesktop.org
> > Cc: Deucher, Alexander
> > Subject: [PATCH 4/4] drm/amdgpu/gmc9: disable legacy vga features in gmc
> > init
> > 
> > Needs to be done when the MC is set up.
> > 
> > Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> 
> Can someone see if this patch fixes the problem with the lower 8 MB of vram on vega10?  I think this may explain what was messing with vram on resume that caused us to reserve the first 8 MB of vram.
> 

Let me have a try. The start of vram overwrite is probably still caused by
VGA mode. So, here, you disable it at first.

Thanks,
Rui


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