Re: radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec

[Antti Palosaari]

On 01/03/2013 01:59 AM, Alex Deucher wrote:
> On Wed, Jan 2, 2013 at 6:58 PM, Shuah Khan <shuahkhan@xxxxxxxxx> wrote:
> > On Wed, Jan 2, 2013 at 4:37 PM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
> > > On Wed, Jan 2, 2013 at 5:38 PM, Markus Trippelsdorf
> > > <markus@xxxxxxxxxxxxxxx> wrote:
> > > > On 2013.01.02 at 17:31 -0500, Jerome Glisse wrote:
> > > > > Please affected people can you test if patch :
> > > > > http://people.freedesktop.org/~glisse/0003-drm-radeon-fix-dma-copy-on-r6xx-r7xx-evergen-ni-si-g.patch
> > > > >
> > > > > Fix the issue, you need to make sure you don't have the patch that
> > > > > disable dma on r6xx ie that line 977-978 & 1061-1062  in radeon_asic.c
> > > > > is :
> > > > >   .copy = &r600_copy_dma,
> > > > >   .copy_ring_index = R600_RING_TYPE_DMA_INDEX,
> > > >
> > > > It fixes the issue for me. Thanks.
> > >
> > > The count is actually the count, not count - 1.  The real fix seems to
> > > be that r6xx requires 2 dw aligned transfers.  The attached patch
> > > fixes the issue for me.
> >
> > Catching up with this thread. I reverted the
> >
> > drm/radeon: use async dma for ttm buffer moves on 6xx-SI
> > commit id: 2d6cc7296d4ee128ab0fa3b715f0afde511f49c2
> >
> > Do I need to apply this patch without reverting
> > 2d6cc7296d4ee128ab0fa3b715f0afde511f49c2?
>
> Correct.  Don't revert anything.  Just apply this patch.

Tested, it is working.

I didn't revert anything, just added that latest patch.

regards
Antti

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