Userspace MR: 
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/43794

Add DRM_IOCTL_PVR_VM_BIND for Vulkan sparse binding.

- Patch 1 is an independent fix the rest needs first.
- Patch 2 switches the GPUVM to immediate mode.
- Patch 3 adds the VM_BIND ioctl.
- Patch 4 adds sparse mappings to it.

Routing VM_MAP and VM_UNMAP through VM_BIND is left to a follow-up.

Signed-off-by: Gyeyoung Baek <gye976@gmail.com>
---
Gyeyoung Baek (4):
      drm/imagination: Fix the vm_bo split mappings are linked to
      drm/imagination: Switch the GPUVM to immediate mode
      drm/imagination: Add async VM_BIND ioctl
      drm/imagination: Add sparse mappings to VM_BIND

 drivers/gpu/drm/imagination/pvr_device.h |   9 +
 drivers/gpu/drm/imagination/pvr_drv.c    | 102 ++++-
 drivers/gpu/drm/imagination/pvr_drv.h    |   5 +-
 drivers/gpu/drm/imagination/pvr_job.c    |   6 +
 drivers/gpu/drm/imagination/pvr_mmu.c    |  71 ++++
 drivers/gpu/drm/imagination/pvr_mmu.h    |   2 +
 drivers/gpu/drm/imagination/pvr_queue.c  |   3 +
 drivers/gpu/drm/imagination/pvr_vm.c     | 636 ++++++++++++++++++++++++++++---
 drivers/gpu/drm/imagination/pvr_vm.h     |  27 ++
 include/uapi/drm/pvr_drm.h               | 135 +++++++
 10 files changed, 934 insertions(+), 62 deletions(-)
---
base-commit: 09b47186a4164f3aaa3591313f80794443117342
change-id: 20260817-pvr-vm-bind-1ce4f09a1774

Best regards,
--  
Gyeyoung Baek <gye976@gmail.com>