linux-toradex.git/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c, branch v5.5-rc7

Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

2019-11-30T18:33:14+00:00

Pull hmm updates from Jason Gunthorpe:
 "This is another round of bug fixing and cleanup. This time the focus
  is on the driver pattern to use mmu notifiers to monitor a VA range.
  This code is lifted out of many drivers and hmm_mirror directly into
  the mmu_notifier core and written using the best ideas from all the
  driver implementations.

  This removes many bugs from the drivers and has a very pleasing
  diffstat. More drivers can still be converted, but that is for another
  cycle.

   - A shared branch with RDMA reworking the RDMA ODP implementation

   - New mmu_interval_notifier API. This is focused on the use case of
     monitoring a VA and simplifies the process for drivers

   - A common seq-count locking scheme built into the
     mmu_interval_notifier API usable by drivers that call
     get_user_pages() or hmm_range_fault() with the VA range

   - Conversion of mlx5 ODP, hfi1, radeon, nouveau, AMD GPU, and Xen
     GntDev drivers to the new API. This deletes a lot of wonky driver
     code.

   - Two improvements for hmm_range_fault(), from testing done by Ralph"

* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  mm/hmm: remove hmm_range_dma_map and hmm_range_dma_unmap
  mm/hmm: make full use of walk_page_range()
  xen/gntdev: use mmu_interval_notifier_insert
  mm/hmm: remove hmm_mirror and related
  drm/amdgpu: Use mmu_interval_notifier instead of hmm_mirror
  drm/amdgpu: Use mmu_interval_insert instead of hmm_mirror
  drm/amdgpu: Call find_vma under mmap_sem
  nouveau: use mmu_interval_notifier instead of hmm_mirror
  nouveau: use mmu_notifier directly for invalidate_range_start
  drm/radeon: use mmu_interval_notifier_insert
  RDMA/hfi1: Use mmu_interval_notifier_insert for user_exp_rcv
  RDMA/odp: Use mmu_interval_notifier_insert()
  mm/hmm: define the pre-processor related parts of hmm.h even if disabled
  mm/hmm: allow hmm_range to be used with a mmu_interval_notifier or hmm_mirror
  mm/mmu_notifier: add an interval tree notifier
  mm/mmu_notifier: define the header pre-processor parts even if disabled
  mm/hmm: allow snapshot of the special zero page

drm/amdgpu: Use mmu_interval_notifier instead of hmm_mirror

2019-11-23T23:56:45+00:00

Convert the collision-retry lock around hmm_range_fault to use the one now
provided by the mmu_interval notifier.

Although this driver does not seem to use the collision retry lock that
hmm provides correctly, it can still be converted over to use the
mmu_interval_notifier api instead of hmm_mirror without too much trouble.

This also deletes another place where a driver is associating additional
data (struct amdgpu_mn) with a mmu_struct.

Link: https://lore.kernel.org/r/20191112202231.3856-13-jgg@ziepe.ca
Signed-off-by: Philip Yang 
Reviewed-by: Philip Yang 
Tested-by: Philip Yang 
Signed-off-by: Jason Gunthorpe

Merge tag 'drm-misc-next-2019-10-31' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

2019-11-03T23:28:51+00:00

drm-misc-next for 5.5:

UAPI Changes:
-dma-buf: Introduce and revert dma-buf heap (Andrew/John/Sean)

Cross-subsystem Changes:
- None

Core Changes:
-dma-buf: add dynamic mapping to allow exporters to choose dma_resv lock
	  state on mmap/munmap (Christian)
-vram: add prepare/cleanup fb helpers to vram helpers (Thomas)
-ttm: always keep bo's on the lru + ttm cleanups (Christian)
-sched: allow a free_job routine to sleep (Steven)
-fb_helper: remove unused drm_fb_helper_defio_init() (Thomas)

Driver Changes:
-bochs/hibmc/vboxvideo: Use new vram helpers for prepare/cleanup fb (Thomas)
-amdgpu: Implement dma-buf import/export without drm helpers (Christian)
-panfrost: Simplify devfreq integration in driver (Steven)

Cc: Christian König 
Cc: Thomas Zimmermann 
Cc: Steven Price 
Cc: Andrew F. Davis 
Cc: John Stultz 
Cc: Sean Paul 
Signed-off-by: Dave Airlie 

From: Sean Paul 
Link: https://patchwork.freedesktop.org/patch/msgid/20191031193015.GA243509@art_vandelay

drm/ttm: always keep BOs on the LRU

2019-10-25T09:40:50+00:00

This allows blocking for BOs to become available
in the memory management.

Amdgpu is doing this for quite a while now during CS. Now
apply the new behavior to all drivers using TTM.

Signed-off-by: Christian König 
Acked-by: Thomas Hellstrom 
Link: https://patchwork.freedesktop.org/patch/332878/

drm/amdgpu: user pages array memory leak fix

2019-10-17T21:12:34+00:00

user_pages array should always be freed after validation regardless if
user pages are changed after bo is created because with HMM change parse
bo always allocate user pages array to get user pages for userptr bo.

v2: remove unused local variable and amend commit

v3: add back get user pages in gem_userptr_ioctl, to detect application
bug where an userptr VMA is not ananymous memory and reject it.

Bugzilla: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1844962

Signed-off-by: Philip Yang 
Tested-by: Joe Barnett 
Reviewed-by: Christian König 
Reviewed-by: Felix Kuehling 
Signed-off-by: Alex Deucher 
Cc: stable@vger.kernel.org # 5.3

drm/amdgpu: user pages array memory leak fix

2019-10-15T19:51:01+00:00

user_pages array should always be freed after validation regardless if
user pages are changed after bo is created because with HMM change parse
bo always allocate user pages array to get user pages for userptr bo.

v2: remove unused local variable and amend commit

v3: add back get user pages in gem_userptr_ioctl, to detect application
bug where an userptr VMA is not ananymous memory and reject it.

Bugzilla: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1844962

Signed-off-by: Philip Yang 
Tested-by: Joe Barnett 
Reviewed-by: Christian König 
Reviewed-by: Felix Kuehling 
Signed-off-by: Alex Deucher

drm/amdgpu: allow direct submission of PDE updates v2

2019-09-16T15:42:55+00:00

For handling PDE updates directly in the fault handler.

v2: fix typo in comment

Signed-off-by: Christian König 
Reviewed-by: Felix Kuehling 
Signed-off-by: Alex Deucher

drm/amdgpu: Avoid HW GPU reset for RAS.

2019-09-13T22:41:05+00:00

Problem:
Under certain conditions, when some IP bocks take a RAS error,
we can get into a situation where a GPU reset is not possible
due to issues in RAS in SMU/PSP.

Temporary fix until proper solution in PSP/SMU is ready:
When uncorrectable error happens the DF will unconditionally
broadcast error event packets to all its clients/slave upon
receiving fatal error event and freeze all its outbound queues,
err_event_athub interrupt  will be triggered.
In such case and we use this interrupt
to issue GPU reset. THe GPU reset code is modified for such case to avoid HW
reset, only stops schedulers, deatches all in progress and not yet scheduled
job's fences, set error code on them and signals.
Also reject any new incoming job submissions from user space.
All this is done to notify the applications of the problem.

v2:
Extract amdgpu_amdkfd_pre/post_reset from amdgpu_device_lock/unlock_adev
Move amdgpu_job_stop_all_jobs_on_sched to amdgpu_job.c
Remove print param from amdgpu_ras_query_error_count

v3:
Update based on prevoius bug fixing patch to properly call amdgpu_amdkfd_pre_reset
for other XGMI hive memebers.

Signed-off-by: Andrey Grodzovsky 
Acked-by: Felix Kuehling 
Reviewed-by: Hawking Zhang 
Signed-off-by: Alex Deucher

drm/amdgpu: remove amdgpu_cs_try_evict

2019-09-13T22:38:56+00:00

Trying to evict things from the current working set doesn't work that
well anymore because of per VM BOs.

Rely on reserving VRAM for page tables to avoid contention.

Signed-off-by: Christian König 
Reviewed-by: Chunming Zhou 
Signed-off-by: Alex Deucher

Merge tag 'drm-next-5.4-2019-08-23' of git://people.freedesktop.org/~agd5f/linux into drm-next

2019-08-27T07:22:15+00:00

drm-next-5.4-2019-08-23:

amdgpu:
- Enable power features on Navi12
- Enable power features on Arcturus
- RAS updates
- Initial Renoir APU support
- Enable power featyres on Renoir
- DC gamma fixes
- DCN2 fixes
- GPU reset support for Picasso
- Misc cleanups and fixes

scheduler:
- Possible race fix

Signed-off-by: Dave Airlie 
From: Alex Deucher 
Link: https://patchwork.freedesktop.org/patch/msgid/20190823202620.3870-1-alexander.deucher@amd.com