The VM is created lazily to give userspace a chance to opt-in to VM_BIND. But Sashiko noticed a couple paths that were not handling this properly. Or at least that is how this series started out.
Rob Clark (17): drm/msm: Fix barriers accessing ctx vm drm/msm: Rework queuelock drm/msm: Synchronize VM creation on ctxlock drm/msm: Synchronize set_sysprof on ctxlock drm/msm: Move nr_cmds initialization drm/msm: Remove redundant SIZE_MAX check drm/msm/a6xx: Access VM directly in submit path drm/msm: Add helper to check for per-process pgtables VM drm/msm/gem: Fix dma_buf import error paths drm/msm/gem: Remove useless locking in GEM import drm/msm/gem: Extract bookkeeping init helper drm/msm/gem: Set resv before exposing obj drm/msm/gem: Validate lazy VM in GEM_NEW drm/msm: Allow lazy VM creation to fail drm/msm: Don't fallback to shared VM for VM_BIND drm/msm: Fix per-process-pgtables check drm/msm: Fixup invalid overflow check drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 2 +- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 +- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 17 ++++- drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 2 +- drivers/gpu/drm/msm/msm_drv.c | 26 ++++--- drivers/gpu/drm/msm/msm_fb.c | 4 +- drivers/gpu/drm/msm/msm_gem.c | 94 ++++++++++++++---------- drivers/gpu/drm/msm/msm_gem.h | 5 +- drivers/gpu/drm/msm/msm_gem_prime.c | 2 +- drivers/gpu/drm/msm/msm_gem_submit.c | 31 ++++---- drivers/gpu/drm/msm/msm_gem_vma.c | 12 ++- drivers/gpu/drm/msm/msm_gpu.c | 2 +- drivers/gpu/drm/msm/msm_gpu.h | 4 +- drivers/gpu/drm/msm/msm_submitqueue.c | 24 +++--- 14 files changed, 131 insertions(+), 96 deletions(-) -- 2.55.0
