[RFC PATCH v1 00/16] Convert all ttm drivers to use the new reservation interface

[Maarten Lankhorst]

This series depends on the previously posted reservation api patches.
2 of them are not yet in for-next-fences branch of
git://git.linaro.org/people/sumit.semwal/linux-3.x.git

The missing patches are still in my vmwgfx_wip branch at
git://people.freedesktop.org/~mlankhorst/linux

All ttm drivers are converted to the fence api, fence_lock is removed
and rcu is used in its place.

qxl is the first driver to use shared fence slots, but when these patches
are applied it's easy to convert nouveau too. I've done it as part of the
cross-device gpu synchronization patch series.

---

Maarten Lankhorst (16):
      drm/ttm: add interruptible parameter to ttm_eu_reserve_buffers
      drm/ttm: kill off some members to ttm_validate_buffer
      drm/nouveau: add reservation to nouveau_gem_ioctl_cpu_prep
      drm/nouveau: require reservations for nouveau_fence_sync and nouveau_bo_fence
      drm/ttm: call ttm_bo_wait while inside a reservation
      drm/ttm: kill fence_lock
      drm/nouveau: rework to new fence interface
      drm/radeon: use common fence implementation for fences
      drm/qxl: rework to new fence interface
      drm/vmwgfx: get rid of different types of fence_flags entirely
      drm/vmwgfx: rework to new fence interface
      drm/ttm: flip the switch, and convert to dma_fence
      drm/nouveau: use rcu in nouveau_gem_ioctl_cpu_prep
      drm/radeon: use rcu waits in some ioctls
      drm/vmwgfx: use rcu in vmw_user_dmabuf_synccpu_grab
      drm/ttm: use rcu in core ttm

 drivers/gpu/drm/nouveau/core/core/event.c |    4 
 drivers/gpu/drm/nouveau/nouveau_bo.c      |   59 +---
 drivers/gpu/drm/nouveau/nouveau_display.c |   25 +-
 drivers/gpu/drm/nouveau/nouveau_fence.c   |  430 +++++++++++++++++++----------
 drivers/gpu/drm/nouveau/nouveau_fence.h   |   22 +
 drivers/gpu/drm/nouveau/nouveau_gem.c     |   55 +---
 drivers/gpu/drm/nouveau/nv04_fence.c      |    4 
 drivers/gpu/drm/nouveau/nv10_fence.c      |    4 
 drivers/gpu/drm/nouveau/nv17_fence.c      |    2 
 drivers/gpu/drm/nouveau/nv50_fence.c      |    2 
 drivers/gpu/drm/nouveau/nv84_fence.c      |   11 -
 drivers/gpu/drm/qxl/Makefile              |    2 
 drivers/gpu/drm/qxl/qxl_cmd.c             |    7 
 drivers/gpu/drm/qxl/qxl_debugfs.c         |   16 +
 drivers/gpu/drm/qxl/qxl_drv.h             |   20 -
 drivers/gpu/drm/qxl/qxl_fence.c           |   91 ------
 drivers/gpu/drm/qxl/qxl_kms.c             |    1 
 drivers/gpu/drm/qxl/qxl_object.c          |    2 
 drivers/gpu/drm/qxl/qxl_object.h          |    6 
 drivers/gpu/drm/qxl/qxl_release.c         |  172 ++++++++++--
 drivers/gpu/drm/qxl/qxl_ttm.c             |   93 ------
 drivers/gpu/drm/radeon/radeon.h           |   15 -
 drivers/gpu/drm/radeon/radeon_cs.c        |   10 +
 drivers/gpu/drm/radeon/radeon_device.c    |    1 
 drivers/gpu/drm/radeon/radeon_display.c   |   20 +
 drivers/gpu/drm/radeon/radeon_fence.c     |  191 ++++++++++---
 drivers/gpu/drm/radeon/radeon_gem.c       |   19 +
 drivers/gpu/drm/radeon/radeon_object.c    |    8 -
 drivers/gpu/drm/radeon/radeon_ttm.c       |   34 --
 drivers/gpu/drm/radeon/radeon_uvd.c       |   10 -
 drivers/gpu/drm/ttm/ttm_bo.c              |  187 ++++++-------
 drivers/gpu/drm/ttm/ttm_bo_util.c         |   28 --
 drivers/gpu/drm/ttm/ttm_bo_vm.c           |    3 
 drivers/gpu/drm/ttm/ttm_execbuf_util.c    |  146 +++-------
 drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c    |   47 ---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h       |    1 
 drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c   |   24 --
 drivers/gpu/drm/vmwgfx/vmwgfx_fence.c     |  329 ++++++++++++----------
 drivers/gpu/drm/vmwgfx/vmwgfx_fence.h     |   35 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c  |   43 +--
 include/drm/ttm/ttm_bo_api.h              |    7 
 include/drm/ttm/ttm_bo_driver.h           |   29 --
 include/drm/ttm/ttm_execbuf_util.h        |   22 +
 43 files changed, 1107 insertions(+), 1130 deletions(-)
 delete mode 100644 drivers/gpu/drm/qxl/qxl_fence.c

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