Re: Re: [REGRESSION] Failed buffer allocation in Tegra fbdev

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On Fri, Jan 26, 2024 at 03:51:42PM -0400, Jason Gunthorpe wrote:
> On Tue, Jan 23, 2024 at 06:44:42PM +0000, Diogo Ivo wrote:
> 
> > Yes, this does fix the issue!
> 
> Thanks, just trying to pin down how the fix should be..
> 
> What kind of kernel are you running, 
> 
> Is this 32 bit?
> 
> Is CONFIG_ARM_DMA_USE_IOMMU set?
> 
> Is CONFIG_IOMMU_DMA set?
> 
> I'm guessing yes/yes/no?

It is a 64-bit kernel, CONFIG_ARM_DMA_USE_IOMMU=n and
CONFIG_IOMMU_DMA=y.

Diogo




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