On Wed, 13 May 2020 13:02:57 +0200, Jean-Philippe Brucker wrote:
> Some SMMUv3 implementation embed the Perf Monitor Group Registers (PMCG)
> inside the first 64kB region of the SMMU. Since PMCG are managed by a
> separate driver, this layout causes resource reservation conflicts
> during boot.
>
On 2020-05-13 12:02 pm, Jean-Philippe Brucker wrote:
Some SMMUv3 implementation embed the Perf Monitor Group Registers (PMCG)
inside the first 64kB region of the SMMU. Since PMCG are managed by a
separate driver, this layout causes resource reservation conflicts
during boot.
To avoid this confli
Some SMMUv3 implementation embed the Perf Monitor Group Registers (PMCG)
inside the first 64kB region of the SMMU. Since PMCG are managed by a
separate driver, this layout causes resource reservation conflicts
during boot.
To avoid this conflict, don't reserve the MMIO regions that are
implementat
