On 2020-09-04 16:55, Bjorn Andersson wrote: > Based on previous attempts and discussions this is the latest attempt at > inheriting stream mappings set up by the bootloader, for e.g. boot splash or > efifb. > > Per Will's request this builds on the work by Jordan and Rob for the Adreno > SMMU support. It applies cleanly ontop of v16 of their series, which can be > found at > https://lore.kernel.org/linux-arm-msm/[email protected]/ > > Bjorn Andersson (8): > iommu/arm-smmu: Refactor context bank allocation > iommu/arm-smmu: Delay modifying domain during init > iommu/arm-smmu: Consult context bank allocator for identify domains > iommu/arm-smmu-qcom: Emulate bypass by using context banks > iommu/arm-smmu-qcom: Consistently initialize stream mappings > iommu/arm-smmu: Add impl hook for inherit boot mappings > iommu/arm-smmu: Provide helper for allocating identity domain > iommu/arm-smmu-qcom: Setup identity domain for boot mappings > > drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 111 ++++++++++++++++++- > drivers/iommu/arm/arm-smmu/arm-smmu.c | 122 ++++++++++++++------- > drivers/iommu/arm/arm-smmu/arm-smmu.h | 14 ++- > 3 files changed, 205 insertions(+), 42 deletions(-) >
Tested on the OnePlus 6 (SDM845), allows booting with display enabled.
