Re: [PATCH] gpu: host1x: Avoid trying to use GART on Tegra20

2022-10-20 Thread Thierry Reding
On Thu, Oct 20, 2022 at 01:42:28PM +0100, Robin Murphy wrote: > On 2022-10-20 13:25, Jon Hunter wrote: > > Hi Robin, > > > > On 19/10/2022 18:23, Robin Murphy wrote: > > > Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with > > > bus") quite some time ago, the GART driver has effec

Re: [PATCH] gpu: host1x: Avoid trying to use GART on Tegra20

2022-10-20 Thread Robin Murphy
On 2022-10-20 13:25, Jon Hunter wrote: Hi Robin, On 19/10/2022 18:23, Robin Murphy wrote: Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with bus") quite some time ago, the GART driver has effectively disabled itself to avoid issues with the GPU driver expecting it to work in wa

Re: [PATCH] gpu: host1x: Avoid trying to use GART on Tegra20

2022-10-20 Thread Jon Hunter
Hi Robin, On 19/10/2022 18:23, Robin Murphy wrote: Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with bus") quite some time ago, the GART driver has effectively disabled itself to avoid issues with the GPU driver expecting it to work in ways that it doesn't. As of commit 57365a0

[PATCH] gpu: host1x: Avoid trying to use GART on Tegra20

2022-10-19 Thread Robin Murphy
Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with bus") quite some time ago, the GART driver has effectively disabled itself to avoid issues with the GPU driver expecting it to work in ways that it doesn't. As of commit 57365a04c921 ("iommu: Move bus setup to IOMMU device registra