Re: dma-pool fixes

Amit Pundir
2020-07-28T12:49:23Z

On Tue, 28 Jul 2020 at 18:11, Christoph Hellwig <hch@lst.de> wrote:
>
> On Tue, Jul 28, 2020 at 05:55:30PM +0530, Amit Pundir wrote:
> > On Tue, 28 Jul 2020 at 17:37, Christoph Hellwig <hch@lst.de> wrote:
> > >
> > > On Tue, Jul 28, 2020 at 05:32:56PM +0530, Amit Pundir wrote:
> > > > > can you try these two patches? The first one makes sure we don't apply
> > > > > physical address based checks for IOMMU allocations, and the second one
> > > > > is a slightly tweaked version of the patch from Nicolas to allow dipping
> > > > > into the CMA areas for allocations to expand the atomic pools.
> > > >
> > > > Sorry, verified a couple of times but these two patches are not working
> > > > for me. I'm stuck at the bootloader splash screen on my phone.
> > >
> > > Thanks for testing. The only intended functional change compared to
> > > Fridays patch was the issue Nicolas pointed out. Can you try this hack
> > > on top?
> >
> > Yes, that worked.
>
> Oh well, this leaves me confused again. It looks like your setup
> really needs a CMA in zone normal for the dma or dma32 pool.

Anything I should look up in the downstream kernel/dts?

Regards,
Amit Pundir