[PATCH 0/2] drm/panfrost: partial support of T628 GPUs

asheplyakov at basealt.ru asheplyakov at basealt.ru
Thu Dec 23 11:06:14 UTC 2021


From: Alexey Sheplyakov <asheplyakov at basealt.ru>

Hello,

these patches address some problems which prevent panfrost from
working with Mali T628 GPUs:

- incomplete/incorrect mmu memory attributes
- wrong jobs affinity on dual core group GPUs

With these patches panfrost is able to drive mali T628 (r1p0) GPU
on some armv8 SoCs (in particular BE-M1000).
r0 GPUs are still not supported [yet] (tested with Exynos 5422).

Alexey Sheplyakov (2):
  drm/panfrost: mmu: improved memory attributes
  drm/panfrost: adjusted job affinity for dual core group GPUs

 drivers/gpu/drm/panfrost/panfrost_device.h |  7 ++++
 drivers/gpu/drm/panfrost/panfrost_gpu.c    | 45 ++++++++++++++++++++++
 drivers/gpu/drm/panfrost/panfrost_job.c    | 14 ++++++-
 drivers/gpu/drm/panfrost/panfrost_mmu.c    |  3 --
 drivers/iommu/io-pgtable-arm.c             | 16 ++++++--
 5 files changed, 76 insertions(+), 9 deletions(-)

-- 
2.30.2



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