[PULL] drm-intel-gt-next
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Thu Dec 9 13:14:33 UTC 2021
Hi Dave, Daniel,
Here goes the first PR towards 5.17.
On the bugfixing front most user visible items are a fix for GPU hangs caused by
certain media and OpenCL workloads applicable from Gen9 (Skylake) onward, a fix
for GPU hangs in Gnome shell on Tigerlake platforms and a fix for runtime power
management handling in the PXP code.
Other than that there is a bunch of bugfixes relating to the GuC backend
(locking, error capture, engine resets, incorrect error handling in the uapi
entry points, selftest timeout increases where required, removing a tracepoint
field).
Continuing with the GuC but on the feature front, it has gained support for
wait boosting and accurate engine busyness statistics bringing it closer to
parity with the existing driver paths.
Among other fixes, most interesting ones are closing the missed async clflush
under memory pressure corner case, making sure MOCS cannot be used to bypass the
last level cache when reading the scratch page and improving the robustness of
error capture under memory pressure.
With regards to new platform support a few DG2 and XeHP SDV workarounds have
arrived, together with some fixes for DG2 buffer migration. Also some
code refactoring happened to prepare for more future platforms.
Work on discrete memory enablement and TTM has continued with good pace, both
by fixing code previously merged and by adding new functionality. Failsafe and
asynchronous migration would be the headline features here, fixing both
possible security issues and also improving eviction performance.
TTM backend has also gained support for cached system memory which improves
performance during shrinking and prepares the code base for using TTM with
integrated GPUs.
Other than these headline features and fixes, there is a bunch of smaller
cleanups and further fixups as usual.
There are also two drm-next backmarges from the rc2 timeframe which Thomas and
Maarten needed for their feature work on async migration and ongoing driver
refactoring.
Regards,
Tvrtko
***
drm-intel-gt-next-2021-12-09:
Core Changes:
- Fix PENDING_ERROR leak in dma_fence_array_signaled() (Thomas Hellström)
Driver Changes:
- Fix runtime PM handling during PXP suspend (Tejas Upadhyay)
- Improve eviction performance on discrete by implementing async TTM moves (Thomas Hellström, Maarten Lankhorst)
- Improve robustness of error capture under memory pressure (Thomas Hellström)
- Fix GuC PMU versus GPU reset handling (Umesh Nerlige Ramappa)
- Use per device iommu check (Tvrtko Ursulin)
- Make error capture work with async migration (Thomas Hellström)
- Revert incorrect implementation of Wa_1508744258 causing hangs (José Roberto de Souza)
- Disable coarse power gating on some DG2 steppings workaround (Matt Roper)
- Add IC cache invalidation workaround on DG2 (Ramalingam C)
- Move two Icelake workarounds to the right place (Raviteja Goud Talla)
- Fix error pointer dereference in i915_gem_do_execbuffer() (Dan Carpenter)
- Fixup a couple of generic and DG2 specific issues in migration code (Matthew Auld)
- Fix kernel-doc warnings in i915_drm_object.c (Randy Dunlap)
- Drop stealing of bits from i915_sw_fence function pointer (Matthew Brost)
- Introduce new macros for i915 PTE (Michael Cheng)
- Prep work for engine reset by reset domain lookup (Tejas Upadhyay)
- Fixup drm-intel-gt-next build failure (Matthew Auld)
- Fix live_engine_busy_stats selftests in GuC mode (Umesh Nerlige Ramappa)
- Remove dma_resv_prune (Maarten Lankhorst)
- Preserve huge pages enablement after driver reload (Matthew Auld)
- Fix a NULL pointer dereference in igt_request_rewind() (selftests) (Zhou Qingyang)
- Add workaround numbers to GEN7_COMMON_SLICE_CHICKEN1 whitelisting (José Roberto de Souza)
- Increase timeouts in i915_gem_contexts selftests to handle GuC being slower (Bruce Chang)
drm-intel-gt-next-2021-11-22:
Driver Changes:
- Fix media and OpenCL system hangs on Gen9 due a missing workaround (Cooper)
- Fix build on non-x86 due missing wbinvd_on_all_cpus (Matthew Auld)
- Fix recursive lock in GuC submission (Matthew Brost)
- Revert 'guc_id' from i915_request tracepoint (Joonas)
- Improve accuracy of engine busyness query with GuC submission (Umesh)
- Always flush the scratch page so Bypass-LLC MOCS works correctly (Matthew Auld)
- Stop caching the scratch page (Matthew Auld)
- Make sure to flush even if async flush unexpectedly fails (Matthew Auld)
- Skip flushing when obtaining dmabuf pages on discrete (Matthew Auld)
- Implement waitboosting with GuC submission (Vinay)
- Failsafe migration blits (Thomas)
- Fix per-engine resets with GuC submission (Matthew Brost, Thomas)
- Fix error capture in GuC mode (John)
- Fix gem_madvise for ttm+shmem objects (Thomas)
- Fix illegal addition to shrinker list with the TTM backend (Thomas)
- Skip error capture when wedged on init (Tvrtko)
- fix NULL vs IS_ERR() checking when creating GuC parallel contexts (Dan)
- Drain the ttm delayed workqueue too (Maarten)
- Add initial Xe_HP SDV workarounds (Stuart)
- Add initial DG2 gt/ctx/engine workarounds and programm HW settings (Matt)
- Faster shrinking of cached system memory objects from the TTM backend plus backend prep work (Matthew Auld)
- Introduce refcounted sg-tables (Thomas)
- Stop using obj->cache_dirty on discrete altogether (Matthew Auld)
- Track graphics and media steppings separately in code (José)
- Rework some irq functions to take intel_gt as argument (Paulo)
- Split general MMIO setup from per-GT uncore init (Daniele)
- Prep work work for TTM backend eviction and dma_resv locking (Maarten, Matthew Auld)
- Fix some selftests to work with GuC (Matthew Brost)
- Fix inconsistent IS_ERR and PTR_ERR (Kai)
- Use ERR_CAST instead of ERR_PTR(PTR_ERR()) (Wan)
- Remove some dead struct fwd decl from i915_drv.h (Daniel)
- Fixup dma_fence_wait usage (Matthew)
- Remove gen6_ppgtt_unpin_all (Maarten)
- Rework context handling in hugepages selftests (Maarten)
The following changes since commit c18c8891111bb5e014e144716044991112f16833:
Merge tag 'drm-misc-next-2021-11-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (2021-11-23 09:38:55 +1000)
are available in the Git repository at:
git://anongit.freedesktop.org/drm/drm-intel tags/drm-intel-gt-next-2021-12-09
for you to fetch changes up to 20cddfcc82e642e4682c48af91f0702fbbd623a0:
drm/i915/gt: Use hw_engine_masks as reset_domains (2021-12-08 18:27:05 -0500)
----------------------------------------------------------------
Core Changes:
- Fix PENDING_ERROR leak in dma_fence_array_signaled() (Thomas Hellström)
Driver Changes:
- Fix runtime PM handling during PXP suspend (Tejas Upadhyay)
- Improve eviction performance on discrete by implementing async TTM moves (Thomas Hellström, Maarten Lankhorst)
- Improve robustness of error capture under memory pressure (Thomas Hellström)
- Fix GuC PMU versus GPU reset handling (Umesh Nerlige Ramappa)
- Use per device iommu check (Tvrtko Ursulin)
- Make error capture work with async migration (Thomas Hellström)
- Revert incorrect implementation of Wa_1508744258 causing hangs (José Roberto de Souza)
- Disable coarse power gating on some DG2 steppings workaround (Matt Roper)
- Add IC cache invalidation workaround on DG2 (Ramalingam C)
- Move two Icelake workarounds to the right place (Raviteja Goud Talla)
- Fix error pointer dereference in i915_gem_do_execbuffer() (Dan Carpenter)
- Fixup a couple of generic and DG2 specific issues in migration code (Matthew Auld)
- Fix kernel-doc warnings in i915_drm_object.c (Randy Dunlap)
- Drop stealing of bits from i915_sw_fence function pointer (Matthew Brost)
- Introduce new macros for i915 PTE (Michael Cheng)
- Prep work for engine reset by reset domain lookup (Tejas Upadhyay)
- Fixup drm-intel-gt-next build failure (Matthew Auld)
- Fix live_engine_busy_stats selftests in GuC mode (Umesh Nerlige Ramappa)
- Remove dma_resv_prune (Maarten Lankhorst)
- Preserve huge pages enablement after driver reload (Matthew Auld)
- Fix a NULL pointer dereference in igt_request_rewind() (selftests) (Zhou Qingyang)
- Add workaround numbers to GEN7_COMMON_SLICE_CHICKEN1 whitelisting (José Roberto de Souza)
- Increase timeouts in i915_gem_contexts selftests to handle GuC being slower (Bruce Chang)
----------------------------------------------------------------
Bruce Chang (1):
drm/i915/selftests: Follow up on increase timeout in i915_gem_contexts selftests
Cooper Chiou (1):
drm/i915: Enable WaProgramMgsrForCorrectSliceSpecificMmioReads for Gen9
Dan Carpenter (3):
drm/i915/guc: fix NULL vs IS_ERR() checking
drm/i915/ttm: Fix error code in i915_ttm_eviction_valuable()
drm/i915: Fix error pointer dereference in i915_gem_do_execbuffer()
Daniel Vetter (1):
drm/i915: Remove some dead struct fwd decl from i915_drv.h
Daniele Ceraolo Spurio (1):
drm/i915: split general MMIO setup from per-GT uncore init
John Harrison (1):
drm/i915/guc: Refcount context during error capture
Joonas Lahtinen (3):
Merge drm/drm-next into drm-intel-gt-next
MAINTAINERS: Add Tvrtko as drm/i915 co-maintainer
drm/i915: Revert 'guc_id' from i915_request tracepoint
José Roberto de Souza (5):
drm/i915: Add struct to hold IP version
drm/i915: Track media IP stepping separated from GT
drm/i915: Rename GT_STEP to GRAPHICS_STEP
Revert "drm/i915: Implement Wa_1508744258"
drm/i915: Add workaround numbers to GEN7_COMMON_SLICE_CHICKEN1 whitelisting
Kai Song (1):
drm/i915/selftests: Fix inconsistent IS_ERR and PTR_ERR
Maarten Lankhorst (9):
drm/i915: Remove gen6_ppgtt_unpin_all
drm/i915/selftests: Rework context handling in hugepages selftests
drm/i915: Create a dummy object for gen6 ppgtt
drm/i915: Create a full object for mock_ring, v2.
drm/i915: vma is always backed by an object.
drm/i915: Remove resv from i915_vma
drm/i915: Drain the ttm delayed workqueue too
drm/i915: Add support for moving fence waiting
drm/i915: Remove dma_resv_prune
Matt Roper (4):
drm/i915/dg2: Add initial gt/ctx/engine workarounds
drm/i915/dg2: Program recommended HW settings
drm/i915: Don't read query SSEU for non-existent slice 0 on old platforms
drm/i915/dg2: Add Wa_16011777198
Matthew Auld (23):
drm/i915/dmabuf: fix broken build
drm/i915/ttm: add tt shmem backend
drm/i915/gtt: drop unneeded make_unshrinkable
drm/i915: drop unneeded make_unshrinkable in free_object
drm/i915: add some kernel-doc for shrink_pin and friends
drm/i915/ttm: move shrinker management into adjust_lru
drm/i915/ttm: use cached system pages when evicting lmem
drm/i915/ttm: enable shmem tt backend
drm/i915/gtt: flush the scratch page
drm/i915/gtt: stop caching the scratch page
drm/i915/clflush: fixup handling of cache_dirty
drm/i915/clflush: disallow on discrete
drm/i915: move cpu_write_needs_clflush
drm/i915: stop setting cache_dirty on discrete
drm/i915/dmabuf: drop the flush on discrete
drm/i915: fixup dma_fence_wait usage
drm/i915: move the pre_pin earlier
drm/i915/ttm: fixup build failure
drm/i915/gemfs: don't mark huge_opt as static
drm/i915/migrate: don't check the scratch page
drm/i915/migrate: fix offset calculation
drm/i915/migrate: fix length calculation
drm/i915/selftests: handle object rounding
Matthew Brost (5):
drm/i915/selftests: Increase timeout in requests perf selftest
drm/i915/selftests: Update live.evict to wait on requests / idle GPU after each loop
drm/i915/guc: Fix recursive lock in GuC submission
drm/i915/resets: Don't set / test for per-engine reset bits with GuC submission
drm/i915: Drop stealing of bits from i915_sw_fence function pointer
Michael Cheng (1):
drm/i915: Introduce new macros for i915 PTE
Paulo Zanoni (1):
drm/i915: rework some irq functions to take intel_gt as argument
Ramalingam C (1):
drm/i915/dg2: Add Wa_16013000631
Randy Dunlap (1):
drm/i915/gem: placate scripts/kernel-doc
Raviteja Goud Talla (1):
drm/i915/gen11: Moving WAs to icl_gt_workarounds_init()
Stuart Summers (1):
drm/i915/xehpsdv: Add initial workarounds
Tejas Upadhyay (2):
drm/i915/gt: Hold RPM wakelock during PXP suspend
drm/i915/gt: Use hw_engine_masks as reset_domains
Thomas Hellström (16):
drm/i915/gem: Break out some shmem backend utils
drm/i915: Introduce refcounted sg-tables
drm/i915/ttm: Reorganize the ttm move code
drm/i915/ttm: Failsafe migration blits
drm/i915/gem: Fix gem_madvise for ttm+shmem objects
drm/i915/selftests: Use clear_and_wake_up_bit() for the per-engine reset bitlocks
drm/i915/ttm: Fix illegal addition to shrinker list
drm/i915/ttm: Move the i915_gem_obj_copy_ttm() function
drm/i915/ttm: Drop region reference counting
drm/i915/ttm: Correctly handle waiting for gpu when shrinking
drm/i915/ttm: Implement asynchronous TTM moves
drm/i915/ttm: Update i915_gem_obj_copy_ttm() to be asynchronous
drm/i915: Avoid allocating a page array for the gpu coredump
drm/i915: Use __GFP_KSWAPD_RECLAIM in the capture code
dma_fence_array: Fix PENDING_ERROR leak in dma_fence_array_signaled()
drm/i915: Update error capture code to avoid using the current vma state
Tvrtko Ursulin (5):
drm/i915: Skip error capture when wedged on init
Merge drm/drm-next into drm-intel-gt-next
Revert "drm/i915/dmabuf: fix broken build"
Merge drm/drm-next into drm-intel-gt-next
drm/i915: Use per device iommu check
Umesh Nerlige Ramappa (5):
drm/i915/pmu: Add a name to the execlists stats
drm/i915/pmu: Connect engine busyness stats from GuC to pmu
drm/i915/pmu: Avoid with_intel_runtime_pm within spinlock
drm/i915/pmu: Increase the live_engine_busy_stats sample period
drm/i915/pmu: Fix synchronization of PMU callback with reset
Vinay Belgaumkar (4):
drm/i915/guc/slpc: Define and initialize boost frequency
drm/i915/guc/slpc: Add waitboost functionality for SLPC
drm/i915/guc/slpc: Update boost sysfs hooks for SLPC
drm/i915/guc/slpc: Check GuC status before freq boost
Wan Jiabing (1):
drm/i915: Use ERR_CAST instead of ERR_PTR(PTR_ERR())
Zhou Qingyang (1):
drm/i915/gem: Fix a NULL pointer dereference in igt_request_rewind()
MAINTAINERS | 1 +
drivers/dma-buf/dma-fence-array.c | 6 +-
drivers/gpu/drm/i915/Makefile | 3 +-
drivers/gpu/drm/i915/display/intel_bw.c | 2 +-
drivers/gpu/drm/i915/display/intel_display.c | 4 +-
drivers/gpu/drm/i915/display/intel_fbc.c | 2 +-
drivers/gpu/drm/i915/dma_resv_utils.c | 17 -
drivers/gpu/drm/i915/dma_resv_utils.h | 13 -
drivers/gpu/drm/i915/gem/i915_gem_clflush.c | 18 +-
drivers/gpu/drm/i915/gem/i915_gem_context.c | 2 +-
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 15 +-
drivers/gpu/drm/i915/gem/i915_gem_domain.c | 22 +
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 142 +++-
drivers/gpu/drm/i915/gem/i915_gem_internal.c | 44 +-
drivers/gpu/drm/i915/gem/i915_gem_object.c | 75 +-
drivers/gpu/drm/i915/gem/i915_gem_object.h | 40 +-
drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 46 +-
drivers/gpu/drm/i915/gem/i915_gem_pages.c | 18 +-
drivers/gpu/drm/i915/gem/i915_gem_region.c | 4 +-
drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 195 +++--
drivers/gpu/drm/i915/gem/i915_gem_shrinker.c | 97 ++-
drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 8 +-
drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 765 +++++++++---------
drivers/gpu/drm/i915/gem/i915_gem_ttm.h | 41 +-
drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 874 +++++++++++++++++++++
drivers/gpu/drm/i915/gem/i915_gem_ttm_move.h | 41 +
drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c | 3 +
drivers/gpu/drm/i915/gem/i915_gem_wait.c | 12 +-
drivers/gpu/drm/i915/gem/i915_gemfs.c | 5 +-
drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 130 +--
.../gpu/drm/i915/gem/selftests/i915_gem_context.c | 2 +-
.../gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c | 4 +-
.../gpu/drm/i915/gem/selftests/i915_gem_migrate.c | 24 +-
drivers/gpu/drm/i915/gt/gen6_ppgtt.c | 135 ++--
drivers/gpu/drm/i915/gt/gen6_ppgtt.h | 2 -
drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 2 +-
drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 11 +-
drivers/gpu/drm/i915/gt/intel_context.c | 16 +-
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 68 +-
drivers/gpu/drm/i915/gt/intel_engine_stats.h | 33 +-
drivers/gpu/drm/i915/gt/intel_engine_types.h | 84 +-
.../gpu/drm/i915/gt/intel_execlists_submission.c | 37 +-
drivers/gpu/drm/i915/gt/intel_ggtt.c | 6 +-
drivers/gpu/drm/i915/gt/intel_gt_pm.c | 9 +-
drivers/gpu/drm/i915/gt/intel_gtt.c | 3 +
drivers/gpu/drm/i915/gt/intel_gtt.h | 3 +
drivers/gpu/drm/i915/gt/intel_lrc.c | 5 +
drivers/gpu/drm/i915/gt/intel_migrate.c | 8 +-
drivers/gpu/drm/i915/gt/intel_mocs.c | 2 +-
drivers/gpu/drm/i915/gt/intel_rc6.c | 15 +-
drivers/gpu/drm/i915/gt/intel_region_lmem.c | 12 +-
drivers/gpu/drm/i915/gt/intel_reset.c | 58 +-
drivers/gpu/drm/i915/gt/intel_ring_submission.c | 2 +-
drivers/gpu/drm/i915/gt/intel_rps.c | 72 ++
drivers/gpu/drm/i915/gt/intel_rps.h | 3 +
drivers/gpu/drm/i915/gt/intel_workarounds.c | 502 ++++++++++--
drivers/gpu/drm/i915/gt/mock_engine.c | 38 +-
drivers/gpu/drm/i915/gt/selftest_engine_pm.c | 35 +-
drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 20 +-
drivers/gpu/drm/i915/gt/selftest_migrate.c | 1 +
drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h | 1 +
drivers/gpu/drm/i915/gt/uc/intel_guc.h | 30 +
drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 21 +
drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h | 5 +
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 13 +
drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 155 +++-
drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 3 +
drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h | 13 +
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 290 +++++++
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h | 2 +
drivers/gpu/drm/i915/gvt/gtt.c | 12 +-
drivers/gpu/drm/i915/i915_debugfs.c | 1 +
drivers/gpu/drm/i915/i915_drv.c | 18 +-
drivers/gpu/drm/i915/i915_drv.h | 83 +-
drivers/gpu/drm/i915/i915_gem.c | 5 +-
drivers/gpu/drm/i915/i915_gpu_error.c | 233 ++++--
drivers/gpu/drm/i915/i915_gpu_error.h | 4 +-
drivers/gpu/drm/i915/i915_irq.c | 26 +-
drivers/gpu/drm/i915/i915_pci.c | 18 +-
drivers/gpu/drm/i915/i915_reg.h | 156 +++-
drivers/gpu/drm/i915/i915_request.c | 69 +-
drivers/gpu/drm/i915/i915_request.h | 20 +-
drivers/gpu/drm/i915/i915_scatterlist.c | 62 +-
drivers/gpu/drm/i915/i915_scatterlist.h | 76 +-
drivers/gpu/drm/i915/i915_sw_fence.c | 28 +-
drivers/gpu/drm/i915/i915_sw_fence.h | 23 +-
drivers/gpu/drm/i915/i915_sw_fence_work.c | 2 +-
drivers/gpu/drm/i915/i915_sysfs.c | 19 +-
drivers/gpu/drm/i915/i915_vma.c | 98 ++-
drivers/gpu/drm/i915/i915_vma.h | 9 +-
drivers/gpu/drm/i915/i915_vma_snapshot.c | 134 ++++
drivers/gpu/drm/i915/i915_vma_snapshot.h | 112 +++
drivers/gpu/drm/i915/i915_vma_types.h | 1 -
drivers/gpu/drm/i915/intel_device_info.c | 33 +-
drivers/gpu/drm/i915/intel_device_info.h | 12 +-
drivers/gpu/drm/i915/intel_memory_region.c | 26 +-
drivers/gpu/drm/i915/intel_memory_region.h | 9 +-
drivers/gpu/drm/i915/intel_pm.c | 39 +-
drivers/gpu/drm/i915/intel_region_ttm.c | 50 +-
drivers/gpu/drm/i915/intel_region_ttm.h | 7 +-
drivers/gpu/drm/i915/intel_step.c | 77 +-
drivers/gpu/drm/i915/intel_step.h | 3 +-
drivers/gpu/drm/i915/intel_uncore.c | 17 +-
drivers/gpu/drm/i915/intel_uncore.h | 2 +
drivers/gpu/drm/i915/pxp/intel_pxp_pm.c | 37 +-
drivers/gpu/drm/i915/pxp/intel_pxp_pm.h | 19 +-
drivers/gpu/drm/i915/selftests/i915_gem_evict.c | 19 +
drivers/gpu/drm/i915/selftests/i915_request.c | 14 +-
drivers/gpu/drm/i915/selftests/i915_sw_fence.c | 2 +-
drivers/gpu/drm/i915/selftests/igt_reset.c | 2 +-
.../gpu/drm/i915/selftests/intel_memory_region.c | 8 +-
drivers/gpu/drm/i915/selftests/lib_sw_fence.c | 8 +-
drivers/gpu/drm/i915/selftests/mock_gem_device.c | 4 +-
drivers/gpu/drm/i915/selftests/mock_region.c | 19 +-
114 files changed, 4609 insertions(+), 1397 deletions(-)
delete mode 100644 drivers/gpu/drm/i915/dma_resv_utils.c
delete mode 100644 drivers/gpu/drm/i915/dma_resv_utils.h
create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm_move.h
create mode 100644 drivers/gpu/drm/i915/i915_vma_snapshot.c
create mode 100644 drivers/gpu/drm/i915/i915_vma_snapshot.h
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