[PATCH 0/3] drm/msm: drm_gpuvm leftovers

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Sun Jul 6 10:50:35 UTC 2025


After switching to drm_gpuvm, the IOMMU becomes a requirement even for
KMS-only devices (e.g. allocating a buffer for DSI commands now also
requires the IOMMU / GPUVM). Disallow non-IOMMU configurations.

Note: MDP4 patches were compile-tested only.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
---
Dmitry Baryshkov (3):
      drm/msm/mdp4: stop supporting no-IOMMU configuration
      drm/msm: stop supporting no-IOMMU configuration
      drm/msm/mdp4: use msm_kms_init_vm() instead of duplicating it

 drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 27 +++++----------------------
 drivers/gpu/drm/msm/msm_kms.c            |  4 ++--
 2 files changed, 7 insertions(+), 24 deletions(-)
---
base-commit: 8290d37ad2b087bbcfe65fa5bcaf260e184b250a
change-id: 20250706-msm-no-iommu-c15212a0e7ac

Best regards,
-- 
With best wishes
Dmitry



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