Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-10 Thread Sai Prakash Ranjan
On 2021-01-08 23:48, Will Deacon wrote: On Fri, Jan 08, 2021 at 11:17:25AM +0530, Sai Prakash Ranjan wrote: On 2021-01-07 22:27, isa...@codeaurora.org wrote: > On 2021-01-06 03:56, Will Deacon wrote: > > On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: > > > commit

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-10 Thread Sai Prakash Ranjan
On 2021-01-08 23:39, isa...@codeaurora.org wrote: On 2021-01-07 21:47, Sai Prakash Ranjan wrote: On 2021-01-07 22:27, isa...@codeaurora.org wrote: On 2021-01-06 03:56, Will Deacon wrote: On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: commit ecd7274fb4cd ("iommu: Remove

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-08 Thread isaacm
On 2021-01-08 10:18, Will Deacon wrote: On Fri, Jan 08, 2021 at 11:17:25AM +0530, Sai Prakash Ranjan wrote: On 2021-01-07 22:27, isa...@codeaurora.org wrote: > On 2021-01-06 03:56, Will Deacon wrote: > > On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: > > > commit

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-08 Thread Will Deacon
On Fri, Jan 08, 2021 at 11:17:25AM +0530, Sai Prakash Ranjan wrote: > On 2021-01-07 22:27, isa...@codeaurora.org wrote: > > On 2021-01-06 03:56, Will Deacon wrote: > > > On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: > > > > commit ecd7274fb4cd ("iommu: Remove unused

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-08 Thread isaacm
On 2021-01-07 21:47, Sai Prakash Ranjan wrote: On 2021-01-07 22:27, isa...@codeaurora.org wrote: On 2021-01-06 03:56, Will Deacon wrote: On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag") removed unused

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-07 Thread Sai Prakash Ranjan
On 2021-01-07 22:27, isa...@codeaurora.org wrote: On 2021-01-06 03:56, Will Deacon wrote: On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag") removed unused IOMMU_SYS_CACHE_ONLY prot flag and along with it

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-07 Thread isaacm
On 2021-01-06 03:56, Will Deacon wrote: On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag") removed unused IOMMU_SYS_CACHE_ONLY prot flag and along with it went the memory type setting required for the

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-06 Thread Sai Prakash Ranjan
Hi Will, On 2021-01-06 17:26, Will Deacon wrote: On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag") removed unused IOMMU_SYS_CACHE_ONLY prot flag and along with it went the memory type setting required for

Re: [PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2021-01-06 Thread Will Deacon
On Thu, Dec 24, 2020 at 12:10:07PM +0530, Sai Prakash Ranjan wrote: > commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag") > removed unused IOMMU_SYS_CACHE_ONLY prot flag and along with it went > the memory type setting required for the non-coherent masters to use > system cache.

[PATCH] iommu/io-pgtable-arm: Allow non-coherent masters to use system cache

2020-12-23 Thread Sai Prakash Ranjan
commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag") removed unused IOMMU_SYS_CACHE_ONLY prot flag and along with it went the memory type setting required for the non-coherent masters to use system cache. Now that system cache support for GPU is added, we will need to mark the