Граф коммитов

459 Коммитов

Автор SHA1 Сообщение Дата
Yue Haibing 2799804ac6 drm/ttm: Remove two unused function declarations
Commit cd3a8a5962 ("drm/ttm: remove ttm_bo_(un)lock_delayed_workqueue")
removed the implementations but not the declarations.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230809135839.13216-1-yuehaibing@huawei.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2023-08-10 09:12:08 +02:00
Dave Airlie 901bdf5ea1 Merge tag 'amd-drm-next-6.5-2023-06-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.5-2023-06-02:

amdgpu:
- SR-IOV fixes
- Warning fixes
- Misc code cleanups and spelling fixes
- DCN 3.2 updates
- Improved DC FAMS support for better power management
- Improved DC SubVP support for better power management
- DCN 3.1.x fixes
- Max IB size query
- DC GPU reset fixes
- RAS updates
- DCN 3.0.x fixes
- S/G display fixes
- CP shadow buffer support
- Implement connector force callback
- Z8 power improvements
- PSP 13.0.10 vbflash support
- Mode2 reset fixes
- Store MQDs in VRAM to improve queue switch latency
- VCN 3.x fixes
- JPEG 3.x fixes
- Enable DC_FP on LoongArch
- GFXOFF fixes
- GC 9.4.3 partition support
- SDMA 4.4.2 partition support
- VCN/JPEG 4.0.3 partition support
- VCN 4.0.3 updates
- NBIO 7.9 updates
- GC 9.4.3 updates
- Take NUMA into account when allocating memory
- Handle NUMA for partitions
- SMU 13.0.6 updates
- GC 9.4.3 RAS updates
- Stop including unused swiotlb.h
- SMU 13.0.7 fixes
- Fix clock output ordering on some APUs
- Clean up DC FPGA code
- GFX9 preemption fixes
- Misc irq fixes
- S0ix fixes
- Add new DRM_AMDGPU_WERROR config parameter to help with CI
- PCIe fix for RDNA2
- kdoc fixes
- Documentation updates

amdkfd:
- Query TTM mem limit rather than hardcoding it
- GC 9.4.3 partition support
- Handle NUMA for partitions

radeon:
- Fix possible double free
- Stop including unused swiotlb.h
- Fix possible division by zero

ttm:
- Add query for TTM mem limit
- Add NUMA awareness to pools
- Export ttm_pool_fini()

UAPI:
- Add new ctx query flag to better handle GPU resets
  Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22290
- Add new interface to query and set shadow buffer for RDNA3
  Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21986
- Add new INFO query for max IB size
  Proposed userspace: https://gitlab.freedesktop.org/bnieuwenhuizen/mesa/-/commits/ib-rejection-v3

amd-drm-next-6.5-2023-06-09:

amdgpu:
- S0ix fixes
- Initial SMU13 Overdrive support
- kdoc fixes
- Misc clode cleanups
- Flexible array fixes
- Display OTG fixes
- SMU 13.0.6 updates
- Revert some broken clock counter updates
- Misc display fixes
- GFX9 preemption fixes
- Add support for newer EEPROM bad page table format
- Add missing radeon secondary id
- Add support for new colorspace KMS API
- CSA fix
- Stable pstate fixes for APUs
- make vbl interface admin only
- Handle PCI accelerator class

amdkfd:
- Add debugger support for gdb

radeon:
- Fix possible UAF

drm:
- Add Colorspace functionality

UAPI:
- Add debugger interface for enabling gdb
  Proposed userspace: https://github.com/ROCm-Developer-Tools/ROCdbgapi/tree/wip-dbgapi
- Add KMS colorspace API
  Discussion: https://lists.freedesktop.org/archives/dri-devel/2023-June/408128.html

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609174817.7764-1-alexander.deucher@amd.com
2023-06-15 14:11:22 +10:00
Rajneesh Bhardwaj 4482d3c94d drm/ttm: add NUMA node id to the pool
This allows backing ttm_tt structure with pages from different NUMA
pools.

Tested-by: Graham Sider <graham.sider@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:52:28 -04:00
Mukul Joshi 1d74159021 drm/ttm: Helper function to get TTM mem limit
Add a helper function to get TTM memory limit. This is
needed by KFD to set its own internal memory limits.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:24:43 -04:00
Jani Nikula 1ad797597a drm/ttm: let struct ttm_device_funcs be placed in rodata
Make the struct ttm_device_funcs pointers const so the data can be placed in rodata.

Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Huang Rui <ray.huang@amd.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230309123700.528641-1-jani.nikula@intel.com
2023-05-17 11:28:28 +03:00
Linus Torvalds 7fa8a8ee94 - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
switching from a user process to a kernel thread.
 
 - More folio conversions from Kefeng Wang, Zhang Peng and Pankaj Raghav.
 
 - zsmalloc performance improvements from Sergey Senozhatsky.
 
 - Yue Zhao has found and fixed some data race issues around the
   alteration of memcg userspace tunables.
 
 - VFS rationalizations from Christoph Hellwig:
 
   - removal of most of the callers of write_one_page().
 
   - make __filemap_get_folio()'s return value more useful
 
 - Luis Chamberlain has changed tmpfs so it no longer requires swap
   backing.  Use `mount -o noswap'.
 
 - Qi Zheng has made the slab shrinkers operate locklessly, providing
   some scalability benefits.
 
 - Keith Busch has improved dmapool's performance, making part of its
   operations O(1) rather than O(n).
 
 - Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd,
   permitting userspace to wr-protect anon memory unpopulated ptes.
 
 - Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive rather
   than exclusive, and has fixed a bunch of errors which were caused by its
   unintuitive meaning.
 
 - Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature,
   which causes minor faults to install a write-protected pte.
 
 - Vlastimil Babka has done some maintenance work on vma_merge():
   cleanups to the kernel code and improvements to our userspace test
   harness.
 
 - Cleanups to do_fault_around() by Lorenzo Stoakes.
 
 - Mike Rapoport has moved a lot of initialization code out of various
   mm/ files and into mm/mm_init.c.
 
 - Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for
   DRM, but DRM doesn't use it any more.
 
 - Lorenzo has also coverted read_kcore() and vread() to use iterators
   and has thereby removed the use of bounce buffers in some cases.
 
 - Lorenzo has also contributed further cleanups of vma_merge().
 
 - Chaitanya Prakash provides some fixes to the mmap selftesting code.
 
 - Matthew Wilcox changes xfs and afs so they no longer take sleeping
   locks in ->map_page(), a step towards RCUification of pagefaults.
 
 - Suren Baghdasaryan has improved mmap_lock scalability by switching to
   per-VMA locking.
 
 - Frederic Weisbecker has reworked the percpu cache draining so that it
   no longer causes latency glitches on cpu isolated workloads.
 
 - Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig
   logic.
 
 - Liu Shixin has changed zswap's initialization so we no longer waste a
   chunk of memory if zswap is not being used.
 
 - Yosry Ahmed has improved the performance of memcg statistics flushing.
 
 - David Stevens has fixed several issues involving khugepaged,
   userfaultfd and shmem.
 
 - Christoph Hellwig has provided some cleanup work to zram's IO-related
   code paths.
 
 - David Hildenbrand has fixed up some issues in the selftest code's
   testing of our pte state changing.
 
 - Pankaj Raghav has made page_endio() unneeded and has removed it.
 
 - Peter Xu contributed some rationalizations of the userfaultfd
   selftests.
 
 - Yosry Ahmed has fixed an issue around memcg's page recalim accounting.
 
 - Chaitanya Prakash has fixed some arm-related issues in the
   selftests/mm code.
 
 - Longlong Xia has improved the way in which KSM handles hwpoisoned
   pages.
 
 - Peter Xu fixes a few issues with uffd-wp at fork() time.
 
 - Stefan Roesch has changed KSM so that it may now be used on a
   per-process and per-cgroup basis.
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Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
   switching from a user process to a kernel thread.

 - More folio conversions from Kefeng Wang, Zhang Peng and Pankaj
   Raghav.

 - zsmalloc performance improvements from Sergey Senozhatsky.

 - Yue Zhao has found and fixed some data race issues around the
   alteration of memcg userspace tunables.

 - VFS rationalizations from Christoph Hellwig:
     - removal of most of the callers of write_one_page()
     - make __filemap_get_folio()'s return value more useful

 - Luis Chamberlain has changed tmpfs so it no longer requires swap
   backing. Use `mount -o noswap'.

 - Qi Zheng has made the slab shrinkers operate locklessly, providing
   some scalability benefits.

 - Keith Busch has improved dmapool's performance, making part of its
   operations O(1) rather than O(n).

 - Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd,
   permitting userspace to wr-protect anon memory unpopulated ptes.

 - Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive
   rather than exclusive, and has fixed a bunch of errors which were
   caused by its unintuitive meaning.

 - Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature,
   which causes minor faults to install a write-protected pte.

 - Vlastimil Babka has done some maintenance work on vma_merge():
   cleanups to the kernel code and improvements to our userspace test
   harness.

 - Cleanups to do_fault_around() by Lorenzo Stoakes.

 - Mike Rapoport has moved a lot of initialization code out of various
   mm/ files and into mm/mm_init.c.

 - Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for
   DRM, but DRM doesn't use it any more.

 - Lorenzo has also coverted read_kcore() and vread() to use iterators
   and has thereby removed the use of bounce buffers in some cases.

 - Lorenzo has also contributed further cleanups of vma_merge().

 - Chaitanya Prakash provides some fixes to the mmap selftesting code.

 - Matthew Wilcox changes xfs and afs so they no longer take sleeping
   locks in ->map_page(), a step towards RCUification of pagefaults.

 - Suren Baghdasaryan has improved mmap_lock scalability by switching to
   per-VMA locking.

 - Frederic Weisbecker has reworked the percpu cache draining so that it
   no longer causes latency glitches on cpu isolated workloads.

 - Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig
   logic.

 - Liu Shixin has changed zswap's initialization so we no longer waste a
   chunk of memory if zswap is not being used.

 - Yosry Ahmed has improved the performance of memcg statistics
   flushing.

 - David Stevens has fixed several issues involving khugepaged,
   userfaultfd and shmem.

 - Christoph Hellwig has provided some cleanup work to zram's IO-related
   code paths.

 - David Hildenbrand has fixed up some issues in the selftest code's
   testing of our pte state changing.

 - Pankaj Raghav has made page_endio() unneeded and has removed it.

 - Peter Xu contributed some rationalizations of the userfaultfd
   selftests.

 - Yosry Ahmed has fixed an issue around memcg's page recalim
   accounting.

 - Chaitanya Prakash has fixed some arm-related issues in the
   selftests/mm code.

 - Longlong Xia has improved the way in which KSM handles hwpoisoned
   pages.

 - Peter Xu fixes a few issues with uffd-wp at fork() time.

 - Stefan Roesch has changed KSM so that it may now be used on a
   per-process and per-cgroup basis.

* tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits)
  mm,unmap: avoid flushing TLB in batch if PTE is inaccessible
  shmem: restrict noswap option to initial user namespace
  mm/khugepaged: fix conflicting mods to collapse_file()
  sparse: remove unnecessary 0 values from rc
  mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area()
  hugetlb: pte_alloc_huge() to replace huge pte_alloc_map()
  maple_tree: fix allocation in mas_sparse_area()
  mm: do not increment pgfault stats when page fault handler retries
  zsmalloc: allow only one active pool compaction context
  selftests/mm: add new selftests for KSM
  mm: add new KSM process and sysfs knobs
  mm: add new api to enable ksm per process
  mm: shrinkers: fix debugfs file permissions
  mm: don't check VMA write permissions if the PTE/PMD indicates write permissions
  migrate_pages_batch: fix statistics for longterm pin retry
  userfaultfd: use helper function range_in_vma()
  lib/show_mem.c: use for_each_populated_zone() simplify code
  mm: correct arg in reclaim_pages()/reclaim_clean_pages_from_list()
  fs/buffer: convert create_page_buffers to folio_create_buffers
  fs/buffer: add folio_create_empty_buffers helper
  ...
2023-04-27 19:42:02 -07:00
Kirill A. Shutemov 23baf831a3 mm, treewide: redefine MAX_ORDER sanely
MAX_ORDER currently defined as number of orders page allocator supports:
user can ask buddy allocator for page order between 0 and MAX_ORDER-1.

This definition is counter-intuitive and lead to number of bugs all over
the kernel.

Change the definition of MAX_ORDER to be inclusive: the range of orders
user can ask from buddy allocator is 0..MAX_ORDER now.

[kirill@shutemov.name: fix min() warning]
  Link: https://lkml.kernel.org/r/20230315153800.32wib3n5rickolvh@box
[akpm@linux-foundation.org: fix another min_t warning]
[kirill@shutemov.name: fixups per Zi Yan]
  Link: https://lkml.kernel.org/r/20230316232144.b7ic4cif4kjiabws@box.shutemov.name
[akpm@linux-foundation.org: fix underlining in docs]
  Link: https://lore.kernel.org/oe-kbuild-all/202303191025.VRCTk6mP-lkp@intel.com/
Link: https://lkml.kernel.org/r/20230315113133.11326-11-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>	[powerpc]
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-04-05 19:42:46 -07:00
Thomas Hellström 95f8138d66 drm/ttm: Use the BIT macro for the TTM_TT_FLAGs
New code is recommended to use the BIT macro instead of the explicit
shifts. Change the older defines so that we can keep the style consistent
with upcoming changes.

v2:
- Also change the value of the _PRIV_POPULATED bit (Christian König)

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230307144621.10748-4-thomas.hellstrom@linux.intel.com
2023-03-09 14:18:53 +01:00
suijingfeng 775d1bee8f ttm/ttm_device.h: fix a trival typo
should replace '@' with '*'

Signed-off-by: suijingfeng <suijingfeng@loongson.cn>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230303101216.788971-1-15330273260@189.cn
2023-03-03 12:00:49 +01:00
Christian König 13acb368bf drm/ttm/vmwgfx: move ttm_bo_wait into VMWGFX
Not used anymore by other drivers or TTM itself.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-9-christian.koenig@amd.com
2023-01-18 15:57:52 +01:00
Christian König a3185f91d0 drm/ttm: merge ttm_bo_api.h and ttm_bo_driver.h v2
Merge and cleanup the two headers into a single description of the
object API. Also move all the documentation to the implementation and
drop unnecessary includes from the header.

No functional change.

v2: minimal checkpatch.pl cleanup

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-4-christian.koenig@amd.com
2022-12-06 12:54:14 +01:00
Christian König 9bff18d134 drm/ttm: use per BO cleanup workers
Instead of a single worker going over the list of delete BOs in regular
intervals use a per BO worker which blocks for the resv object and
locking of the BO.

This not only simplifies the handling massively, but also results in
much better response time when cleaning up buffers.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-3-christian.koenig@amd.com
2022-12-06 10:53:20 +01:00
Christian König cd3a8a5962 drm/ttm: remove ttm_bo_(un)lock_delayed_workqueue
Those functions never worked correctly since it is still perfectly
possible that a buffer object is released and the background worker
restarted even after calling them.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-2-christian.koenig@amd.com
2022-12-06 10:28:12 +01:00
Gaosheng Cui 387659939c drm/ttm: fix undefined behavior in bit shift for TTM_TT_FLAG_PRIV_POPULATED
Shifting signed 32-bit value by 31 bits is undefined, so changing
significant bit to unsigned. The UBSAN warning calltrace like below:

UBSAN: shift-out-of-bounds in ./include/drm/ttm/ttm_tt.h:122:26
left shift of 1 by 31 places cannot be represented in type 'int'
Call Trace:
 <TASK>
 dump_stack_lvl+0x7d/0xa5
 dump_stack+0x15/0x1b
 ubsan_epilogue+0xe/0x4e
 __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c
 ttm_bo_move_memcpy+0x3b4/0x460 [ttm]
 bo_driver_move+0x32/0x40 [drm_vram_helper]
 ttm_bo_handle_move_mem+0x118/0x200 [ttm]
 ttm_bo_validate+0xfa/0x220 [ttm]
 drm_gem_vram_pin_locked+0x70/0x1b0 [drm_vram_helper]
 drm_gem_vram_pin+0x48/0xb0 [drm_vram_helper]
 drm_gem_vram_plane_helper_prepare_fb+0x53/0xe0 [drm_vram_helper]
 drm_gem_vram_simple_display_pipe_prepare_fb+0x26/0x30 [drm_vram_helper]
 drm_simple_kms_plane_prepare_fb+0x4d/0xe0 [drm_kms_helper]
 drm_atomic_helper_prepare_planes+0xda/0x210 [drm_kms_helper]
 drm_atomic_helper_commit+0xc3/0x1e0 [drm_kms_helper]
 drm_atomic_commit+0x9c/0x160 [drm]
 drm_client_modeset_commit_atomic+0x33a/0x380 [drm]
 drm_client_modeset_commit_locked+0x77/0x220 [drm]
 drm_client_modeset_commit+0x31/0x60 [drm]
 __drm_fb_helper_restore_fbdev_mode_unlocked+0xa7/0x170 [drm_kms_helper]
 drm_fb_helper_set_par+0x51/0x90 [drm_kms_helper]
 fbcon_init+0x316/0x790
 visual_init+0x113/0x1d0
 do_bind_con_driver+0x2a3/0x5c0
 do_take_over_console+0xa9/0x270
 do_fbcon_takeover+0xa1/0x170
 do_fb_registered+0x2a8/0x340
 fbcon_fb_registered+0x47/0xe0
 register_framebuffer+0x294/0x4a0
 __drm_fb_helper_initial_config_and_unlock+0x43c/0x880 [drm_kms_helper]
 drm_fb_helper_initial_config+0x52/0x80 [drm_kms_helper]
 drm_fbdev_client_hotplug+0x156/0x1b0 [drm_kms_helper]
 drm_fbdev_generic_setup+0xfc/0x290 [drm_kms_helper]
 bochs_pci_probe+0x6ca/0x772 [bochs]
 local_pci_probe+0x4d/0xb0
 pci_device_probe+0x119/0x320
 really_probe+0x181/0x550
 __driver_probe_device+0xc6/0x220
 driver_probe_device+0x32/0x100
 __driver_attach+0x195/0x200
 bus_for_each_dev+0xbb/0x120
 driver_attach+0x27/0x30
 bus_add_driver+0x22e/0x2f0
 driver_register+0xa9/0x190
 __pci_register_driver+0x90/0xa0
 bochs_pci_driver_init+0x52/0x1000 [bochs]
 do_one_initcall+0x76/0x430
 do_init_module+0x61/0x28a
 load_module+0x1f82/0x2e50
 __do_sys_finit_module+0xf8/0x190
 __x64_sys_finit_module+0x23/0x30
 do_syscall_64+0x58/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
 </TASK>

Fixes: 3312be8f6f ("drm/ttm: move populated state into page flags")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221031113350.4180975-1-cuigaosheng1@huawei.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2022-11-02 10:23:07 +01:00
Somalapuram Amaranath e3c92eb4a8 drm/ttm: rework on ttm_resource to use size_t type
Change ttm_resource structure from num_pages to size_t size in bytes.
v1 -> v2: change PFN_UP(dst_mem->size) to ttm->num_pages
v1 -> v2: change bo->resource->size to bo->base.size at some places
v1 -> v2: remove the local variable
v1 -> v2: cleanup cmp_size_smaller_first()
v2 -> v3: adding missing PFN_UP in ttm_bo_vm_fault_reserved

Signed-off-by: Somalapuram Amaranath <Amaranath.Somalapuram@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221027091237.983582-1-Amaranath.Somalapuram@amd.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
2022-10-27 11:42:58 +02:00
Li zeming e6643298aa drm/ttm: Remove unnecessary '0' values from ret
The variable ret is assigned in the judgment branch statement, he does
not need to initialize the assignment.

Signed-off-by: Li zeming <zeming@nfschina.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907032934.4490-1-zeming@nfschina.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
2022-09-07 09:42:57 +02:00
Arunpravin Paneer Selvam 544432703b drm/ttm: Add new callbacks to ttm res mgr
We are adding two new callbacks to ttm resource manager
function to handle intersection and compatibility of
placement and resources.

v2: move the amdgpu and ttm_range_manager changes to
    separate patches (Christian)
v3: rename "intersect" to "intersects" (Matthew)
v4: move !place check to the !res if and return false
    in ttm_resource_compatible() function (Christian)
v5: move bits of code from patch number 6 to avoid
    temporary driver breakup (Christian)

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220820073304.178444-1-Arunpravin.PaneerSelvam@amd.com
2022-08-22 15:33:12 +02:00
Maxime Ripard 4de395f2c6
Merge drm/drm-next into drm-misc-next
I need to have some vc4 patches merged in -rc4, but drm-misc-next is
only at -rc2 for now.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-07-13 10:33:00 +02:00
Christian König 347987a2cf drm/ttm: rename and cleanup ttm_bo_init
Rename ttm_bo_init to ttm_bo_init_validate since that better matches
what the function is actually doing.

Remove the unused size parameter, move the function's kerneldoc to the
implementation and cleanup the whole error handling.

Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220707102453.3633-2-christian.koenig@amd.com
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
2022-07-11 10:53:13 +02:00
Christian König 0f9cd1ea10 drm/ttm: fix bulk move handling v2
The resource must be on the LRU before ttm_lru_bulk_move_add() is called
and we need to check if the BO is pinned or not before adding it.

Additional to that we missed taking the LRU spinlock in ttm_bo_unpin().

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220613080816.4965-1-christian.koenig@amd.com
Fixes: fee2ede155 ("drm/ttm: rework bulk move handling v5")
2022-06-14 11:15:19 +02:00
Zack Rusin 8cd9efd1b7 drm/ttm: Add common debugfs code for resource managers
Drivers duplicate the code required to add debugfs entries for various
ttm resource managers. To fix it add common TTM resource manager debugfs
code that each driver can reuse.

Specific resource managers can overwrite
ttm_resource_manager_func::debug to get more information from those
debugfs entries.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220412033526.369115-2-zack@kde.org
Reviewed-by: Christian König <christian.koenig@amd.com>
2022-04-20 21:06:01 -04:00
Christian König 84ab41db17 drm/ttm: fix kerneldoc for ttm_lru_bulk_move
Update the kerneldoc for the members as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: b0e2c9ea5a ("drm/ttm: allow bulk moves for all domains")
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220413091242.638413-1-christian.koenig@amd.com
2022-04-13 11:26:00 +02:00
Matthew Auld c63462184b drm/ttm: stop passing NULL fence in ttm_bo_move_sync_cleanup
If we hit the sync case, like when skipping clearing for kernel internal
objects, or when falling back to cpu clearing, like in i915, we end up
trying to add a NULL fence, but with some recent changes in this area
this now just results in NULL deref in dma_resv_add_fence:

<1>[    5.466383] BUG: kernel NULL pointer dereference, address: 0000000000000008
<1>[    5.466384] #PF: supervisor read access in kernel mode
<1>[    5.466385] #PF: error_code(0x0000) - not-present page
<6>[    5.466386] PGD 0 P4D 0
<4>[    5.466387] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4>[    5.466389] CPU: 5 PID: 267 Comm: modprobe Not tainted 5.18.0-rc2-CI-CI_DRM_11481+ #1
<4>[    5.466391] RIP: 0010:dma_resv_add_fence+0x63/0x260
<4>[    5.466395] Code: 38 85 c0 0f 84 df 01 00 00 0f 88 e8 01 00 00 83 c0 01 0f 88 df 01 00 00 8b 05 35 89 10 01 49 8d 5e 68 85 c0 0f 85 45 01 00 00 <48> 8b 45 08 48 3d c0 a5 0a 82 0f 84 5c 01 00 00 48 3d 60 a5 0a 82
<4>[    5.466396] RSP: 0018:ffffc90000e974f8 EFLAGS: 00010202
<4>[    5.466397] RAX: 0000000000000001 RBX: ffff888123e88b28 RCX: 00000000ffffffff
<4>[    5.466398] RDX: 0000000000000001 RSI: ffffffff822e4f50 RDI: ffffffff8233f087
<4>[    5.466399] RBP: 0000000000000000 R08: ffff8881313dbc80 R09: 0000000000000001
<4>[    5.466399] R10: 0000000000000001 R11: 00000000da354294 R12: 0000000000000000
<4>[    5.466400] R13: ffff88810927dc58 R14: ffff888123e88ac0 R15: ffff88810a88d600
<4>[    5.466401] FS:  00007f5fa1193540(0000) GS:ffff88845d880000(0000) knlGS:0000000000000000
<4>[    5.466402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[    5.466402] CR2: 0000000000000008 CR3: 0000000106dd6003 CR4: 00000000003706e0
<4>[    5.466403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[    5.466404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[    5.466404] Call Trace:
<4>[    5.466405]  <TASK>
<4>[    5.466406]  ttm_bo_move_accel_cleanup+0x62/0x270 [ttm]
<4>[    5.466411]  ? i915_rsgt_from_buddy_resource+0x185/0x1e0 [i915]
<4>[    5.466529]  i915_ttm_move+0xfd/0x430 [i915]
<4>[    5.466833]  ? dma_resv_reserve_fences+0x4e/0x320
<4>[    5.466836]  ? ttm_bo_add_move_fence.constprop.20+0xf7/0x140 [ttm]
<4>[    5.466841]  ttm_bo_handle_move_mem+0xa1/0x140 [ttm]
<4>[    5.466845]  ttm_bo_validate+0xee/0x160 [ttm]
<4>[    5.466849]  __i915_ttm_get_pages+0x4f/0x210 [i915]
<4>[    5.466976]  i915_ttm_get_pages+0xad/0x140 [i915]
<4>[    5.467094]  ____i915_gem_object_get_pages+0x32/0xf0 [i915]
<4>[    5.467210]  __i915_gem_object_get_pages+0x89/0xa0 [i915]
<4>[    5.467323]  i915_vma_get_pages+0x114/0x1d0 [i915]
<4>[    5.467446]  i915_vma_pin_ww+0xd3/0xa90 [i915]
<4>[    5.467570]  i915_vma_pin.constprop.10+0x119/0x1b0 [i915]
<4>[    5.467700]  ? __mutex_unlock_slowpath+0x3e/0x2b0
<4>[    5.467704]  intel_alloc_initial_plane_obj.isra.6+0x1a9/0x390 [i915]
<4>[    5.467833]  intel_crtc_initial_plane_config+0x83/0x340 [i915]

In the ttm_bo_move_sync_cleanup() case it seems we only really care
about calling ttm_bo_wait_free_node(), so let's instead just call that
directly.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Nirmoy Das <nirmoy.das@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220411085603.58156-1-matthew.auld@intel.com
2022-04-12 14:35:53 +02:00
Christian König 8bb3158782 drm/ttm: remove bo->moving
This is now handled by the DMA-buf framework in the dma_resv obj.

Also remove the workaround inside VMWGFX to update the moving fence.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220407085946.744568-14-christian.koenig@amd.com
2022-04-07 12:53:54 +02:00
Maxime Ripard 9cbbd694a5
Merge drm/drm-next into drm-misc-next
Let's start the 5.19 development cycle.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-04-05 11:06:58 +02:00
Ramalingam C e36764ecf8 drm/ttm: Add a parameter to add extra pages into ttm_tt
Add a parameter called "extra_pages" for ttm_tt_init, to indicate that
driver needs extra pages in ttm_tt.

v2:
  Used imperative wording [Thomas and Christian]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Christian Koenig <christian.koenig@amd.com>
cc: Hellstrom Thomas <thomas.hellstrom@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220401123751.27771-8-ramalingam.c@intel.com
2022-04-02 08:22:48 +05:30
Christian König 77ef271fae drm/amdgpu: drop amdgpu_gtt_node
We have the BO pointer in the base structure now as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-6-christian.koenig@amd.com
2022-03-29 10:57:12 +02:00
Christian König fee2ede155 drm/ttm: rework bulk move handling v5
Instead of providing the bulk move structure for each LRU update set
this as property of the BO. This should avoid costly bulk move rebuilds
with some games under RADV.

v2: some name polishing, add a few more kerneldoc words.
v3: add some lockdep
v4: fix bugs, handle pin/unpin as well
v5: improve kerneldoc

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-5-christian.koenig@amd.com
2022-03-29 10:55:32 +02:00
Christian König 7842cf65b0 drm/ttm: de-inline ttm_bo_pin/unpin
Those functions are going to become more complex, don't inline them any
more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-4-christian.koenig@amd.com
2022-03-29 10:54:58 +02:00
Christian König b0e2c9ea5a drm/ttm: allow bulk moves for all domains
Not just TT and VRAM.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-3-christian.koenig@amd.com
2022-03-28 20:05:32 +02:00
Christian König 5d05b988f1 drm/ttm: add resource iterator v4
Instead of duplicating that at different places add an iterator over all
the resources in a resource manager.

v2: add lockdep annotation and kerneldoc
v3: fix various bugs pointed out by Felix
v4: simplify the code a bit more

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v2)
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-2-christian.koenig@amd.com
2022-03-28 20:05:32 +02:00
Christian König 6a9b028994 drm/ttm: move the LRU into resource handling v4
This way we finally fix the problem that new resource are
not immediately evict-able after allocation.

That has caused numerous problems including OOM on GDS handling
and not being able to use TTM as general resource manager.

v2: stop assuming in ttm_resource_fini that res->bo is still valid.
v3: cleanup kerneldoc, add more lockdep annotation
v4: consistently use res->num_pages

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-1-christian.koenig@amd.com
2022-03-28 20:05:32 +02:00
Dave Airlie 54f43c17d6 drm-misc-next for v5.18:
UAPI Changes:
 
 Cross-subsystem Changes:
 - Split out panel-lvds and lvds dt bindings .
 - Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
   and use it in drivers and tomoyo.
 - Clarify dma_fence_chain and dma_fence_array should never include eachother.
 - Flatten chains in syncobj's.
 - Don't double add in fbdev/defio when page is already enlisted.
 - Don't sort deferred-I/O pages by default in fbdev.
 
 Core Changes:
 - Fix missing pm_runtime_put_sync in bridge.
 - Set modifier support to only linear fb modifier if drivers don't
   advertise support.
 - As a result, we remove allow_fb_modifiers.
 - Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
 - Assorted documentation updates.
 - Warn once in drm_clflush if there is no arch support.
 - Add missing select for dp helper in drm_panel_edp.
 - Assorted small fixes.
 - Improve fb-helper's clipping handling.
 - Don't dump shmem mmaps in a core dump.
 - Add accounting to ttm resource manager, and use it in amdgpu.
 - Allow querying the detected eDP panel through debugfs.
 - Add helpers for xrgb8888 to 8 and 1 bits gray.
 - Improve drm's buddy allocator.
 - Add selftests for the buddy allocator.
 
 Driver Changes:
 - Add support for nomodeset to a lot of drm drivers.
 - Use drm_module_*_driver in a lot of drm drivers.
 - Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
   bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
 - Add bridge/it6505.
 - Create DP and DVI-I connectors in ast.
 - Assorted nouveau backlight fixes.
 - Rework amdgpu reset handling.
 - Add dt bindings for ingenic,jz4780-dw-hdmi.
 - Support reading edid through aux channel in ingenic.
 - Add a drm driver for Solomon SSD130x OLED displays.
 - Add simple support for sharp LQ140M1JW46.
 - Add more panels to nt35560.
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Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.18:

UAPI Changes:

Cross-subsystem Changes:
- Split out panel-lvds and lvds dt bindings .
- Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
  and use it in drivers and tomoyo.
- Clarify dma_fence_chain and dma_fence_array should never include eachother.
- Flatten chains in syncobj's.
- Don't double add in fbdev/defio when page is already enlisted.
- Don't sort deferred-I/O pages by default in fbdev.

Core Changes:
- Fix missing pm_runtime_put_sync in bridge.
- Set modifier support to only linear fb modifier if drivers don't
  advertise support.
- As a result, we remove allow_fb_modifiers.
- Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
- Assorted documentation updates.
- Warn once in drm_clflush if there is no arch support.
- Add missing select for dp helper in drm_panel_edp.
- Assorted small fixes.
- Improve fb-helper's clipping handling.
- Don't dump shmem mmaps in a core dump.
- Add accounting to ttm resource manager, and use it in amdgpu.
- Allow querying the detected eDP panel through debugfs.
- Add helpers for xrgb8888 to 8 and 1 bits gray.
- Improve drm's buddy allocator.
- Add selftests for the buddy allocator.

Driver Changes:
- Add support for nomodeset to a lot of drm drivers.
- Use drm_module_*_driver in a lot of drm drivers.
- Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
  bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
- Add bridge/it6505.
- Create DP and DVI-I connectors in ast.
- Assorted nouveau backlight fixes.
- Rework amdgpu reset handling.
- Add dt bindings for ingenic,jz4780-dw-hdmi.
- Support reading edid through aux channel in ingenic.
- Add a drm driver for Solomon SSD130x OLED displays.
- Add simple support for sharp LQ140M1JW46.
- Add more panels to nt35560.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/686ec871-e77f-c230-22e5-9e3bb80f064a@linux.intel.com
2022-02-25 05:50:18 +10:00
Christian König 0e05fc49c3 drm/ttm: add common accounting to the resource mgr v3
It makes sense to have this in the common manager for debugging and
accounting of how much resources are used.

v2: cleanup kerneldoc a bit
v3: drop the atomic, update counter under lock instead

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com> (v1)
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214093439.2989-2-christian.koenig@amd.com
2022-02-14 14:35:09 +01:00
Christian König 90d4aa20c8 drm/ttm: fix resource manager size type and description
Leave the man->size units as driver defined.

Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214093439.2989-1-christian.koenig@amd.com
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
2022-02-14 14:34:36 +01:00
Dave Airlie e7a09cea64 Cross-subsystem Changes:
------------------------
 
 dma-buf:
 - dma-buf-map: Rename to iosys-map (Lucas)
 
 Core Changes:
 -------------
 
 drm:
 - Always include the debugfs_entry in drm_crtc (Ville)
 - Add orientation quirk for GPD Win Max (Anisse)
 
 Driver Changes:
 ---------------
 
 gvt:
 - Constify some pointers. (Rikard Falkeborn)
 - Use list_entry to access list members. (Guenter Roeck)
 - Fix cmd parser error for Passmark9. (Zhenyu Wang)
 
 i915:
 - Various clean-ups including headers and removing unused and unnecessary stuff\
  (Jani, Hans, Andy, Ville)
 - Cleaning up on our registers definitions i915_reg.h (Matt)
 - More multi-FBC refactoring (Ville)
 - Baytrail backlight fix (Hans)
 - DG1 OPROM read through SPI controller (Clint)
 - ADL-N platform enabling (Tejas)
 - Fix slab-out-of-bounds access (Jani)
 - Add opregion mailbox #5 support for possible EDID override (Anisse)
 - Fix possible NULL dereferences (Harish)
 - Updates and fixes around display voltage swing values (Clint, Jose)
 - Fix RPM wekeref on PXP code (Juston)
 - Many register definitions clean-up, including planes registers (Ville)
 - More conversion towards display version over the old gen (Madhumitha, Ville)
 - DP MST ESI handling improvements (Jani)
 - drm device based logging conversions (Jani)
 - Prevent divide by zero (Dan)
 - Introduce ilk_pch_pre_enable for complete modeset abstraction (Ville)
 - Async flip optimization for DG2 (Stanislav)
 - Multiple DSC and bigjoiner fixes and improvements (Ville)
 - Fix ADL-P TypeC Phy ready status readout (Imre)
 - Fix up DP DFP 4:2:0 handling more display related fixes (Ville)
 - Display M/N cleanup (Ville)
 - Switch to use VGA definitions from video/vga.h (Jani)
 - Fixes and improvements to abstract CPU architecture (Lucas)
 - Disable unsused power wells left enabled by BIOS (Imre)
 - Allow !join_mbus cases for adlp+ dbuf configuration (Ville)
 - Populate pipe dbuf slices more accurately during readout (Ville)
 - Workaround broken BIOS DBUF configuration on TGL/RKL (Ville)
 - Fix trailing semicolon (Lucas)
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Merge tag 'drm-intel-next-2022-02-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Cross-subsystem Changes:
------------------------

dma-buf:
- dma-buf-map: Rename to iosys-map (Lucas)

Core Changes:
-------------

drm:
- Always include the debugfs_entry in drm_crtc (Ville)
- Add orientation quirk for GPD Win Max (Anisse)

Driver Changes:
---------------

gvt:
- Constify some pointers. (Rikard Falkeborn)
- Use list_entry to access list members. (Guenter Roeck)
- Fix cmd parser error for Passmark9. (Zhenyu Wang)

i915:
- Various clean-ups including headers and removing unused and unnecessary stuff\
 (Jani, Hans, Andy, Ville)
- Cleaning up on our registers definitions i915_reg.h (Matt)
- More multi-FBC refactoring (Ville)
- Baytrail backlight fix (Hans)
- DG1 OPROM read through SPI controller (Clint)
- ADL-N platform enabling (Tejas)
- Fix slab-out-of-bounds access (Jani)
- Add opregion mailbox #5 support for possible EDID override (Anisse)
- Fix possible NULL dereferences (Harish)
- Updates and fixes around display voltage swing values (Clint, Jose)
- Fix RPM wekeref on PXP code (Juston)
- Many register definitions clean-up, including planes registers (Ville)
- More conversion towards display version over the old gen (Madhumitha, Ville)
- DP MST ESI handling improvements (Jani)
- drm device based logging conversions (Jani)
- Prevent divide by zero (Dan)
- Introduce ilk_pch_pre_enable for complete modeset abstraction (Ville)
- Async flip optimization for DG2 (Stanislav)
- Multiple DSC and bigjoiner fixes and improvements (Ville)
- Fix ADL-P TypeC Phy ready status readout (Imre)
- Fix up DP DFP 4:2:0 handling more display related fixes (Ville)
- Display M/N cleanup (Ville)
- Switch to use VGA definitions from video/vga.h (Jani)
- Fixes and improvements to abstract CPU architecture (Lucas)
- Disable unsused power wells left enabled by BIOS (Imre)
- Allow !join_mbus cases for adlp+ dbuf configuration (Ville)
- Populate pipe dbuf slices more accurately during readout (Ville)
- Workaround broken BIOS DBUF configuration on TGL/RKL (Ville)
- Fix trailing semicolon (Lucas)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YgKFLmCgpv4vQEa1@intel.com
2022-02-11 14:14:07 +10:00
Lucas De Marchi 7938f42181 dma-buf-map: Rename to iosys-map
Rename struct dma_buf_map to struct iosys_map and corresponding APIs.
Over time dma-buf-map grew up to more functionality than the one used by
dma-buf: in fact it's just a shim layer to abstract system memory, that
can be accessed via regular load and store, from IO memory that needs to
be acessed via arch helpers.

The idea is to extend this API so it can fulfill other needs, internal
to a single driver. Example: in the i915 driver it's desired to share
the implementation for integrated graphics, which uses mostly system
memory, with discrete graphics, which may need to access IO memory.

The conversion was mostly done with the following semantic patch:

	@r1@
	@@
	- struct dma_buf_map
	+ struct iosys_map

	@r2@
	@@
	(
	- DMA_BUF_MAP_INIT_VADDR
	+ IOSYS_MAP_INIT_VADDR
	|
	- dma_buf_map_set_vaddr
	+ iosys_map_set_vaddr
	|
	- dma_buf_map_set_vaddr_iomem
	+ iosys_map_set_vaddr_iomem
	|
	- dma_buf_map_is_equal
	+ iosys_map_is_equal
	|
	- dma_buf_map_is_null
	+ iosys_map_is_null
	|
	- dma_buf_map_is_set
	+ iosys_map_is_set
	|
	- dma_buf_map_clear
	+ iosys_map_clear
	|
	- dma_buf_map_memcpy_to
	+ iosys_map_memcpy_to
	|
	- dma_buf_map_incr
	+ iosys_map_incr
	)

	@@
	@@
	- #include <linux/dma-buf-map.h>
	+ #include <linux/iosys-map.h>

Then some files had their includes adjusted and some comments were
update to remove mentions to dma-buf-map.

Since this is not specific to dma-buf anymore, move the documentation to
the "Bus-Independent Device Accesses" section.

v2:
  - Squash patches

v3:
  - Fix wrong removal of dma-buf.h from MAINTAINERS
  - Move documentation from dma-buf.rst to device-io.rst

v4:
  - Change documentation title and level

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220204170541.829227-1-lucas.demarchi@intel.com
2022-02-07 16:35:35 -08:00
Christian König fda8d552c9 drm/ttm: add a weak BO reference to the resource v3
Keep track for which BO a resource was allocated.
This is necessary to move the LRU handling into the resources.

A bit problematic is i915 since it tries to use the resource
interface without a BO which is illegal from the conceptional
point of view.

v2: Document that this is a weak reference and add a workaround for i915
v3: further document that this is protected by ttm_device::lru_lock and
    clarify the i915 workaround

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-4-christian.koenig@amd.com
2022-01-26 15:30:19 +01:00
Christian König 3f268ef06f drm/ttm: add back a reference to the bdev to the res manager
It is simply a lot cleaner to have this around instead of adding
the device throughout the call chain.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-3-christian.koenig@amd.com
2022-01-26 15:29:24 +01:00
Christian König de3688e469 drm/ttm: add ttm_resource_fini v2
Make sure we call the common cleanup function in all
implementations of the resource manager.

v2: fix missing case in i915, rudimentary kerneldoc, should be
    filled in more when we add more functionality

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124122514.1832-2-christian.koenig@amd.com
2022-01-26 15:23:51 +01:00
Zack Rusin 2696f9010d drm/ttm: Clarify that the TTM_PL_SYSTEM is under TTMs control
TTM takes full control over TTM_PL_SYSTEM placed buffers. This makes
driver internal usage of TTM_PL_SYSTEM prone to errors because it
requires the drivers to manually handle all interactions between TTM
which can swap out those buffers whenever it thinks it's the right
thing to do and driver.

CPU buffers which need to be fenced and shared with accelerators should
be placed in driver specific placements that can explicitly handle
CPU/accelerator buffer fencing.
Currently, apart, from things silently failing nothing is enforcing
that requirement which means that it's easy for drivers and new
developers to get this wrong. To avoid the confusion we can document
this requirement and clarify the solution.

This came up during a discussion on dri-devel:
https://lore.kernel.org/dri-devel/232f45e9-8748-1243-09bf-56763e6668b3@amd.com

Signed-off-by: Zack Rusin <zackr@vmware.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211110145034.487512-1-zackr@vmware.com
2021-12-01 11:58:37 -05:00
Thomas Zimmermann b93199b286 drm/ttm: Don't include drm_hashtab.h
Remove the include statement for drm_hashtab.h. It's not required
by TTM.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211129094841.22499-2-tzimmermann@suse.de
2021-11-30 09:41:10 +01:00
Dave Airlie f8ca7b7419 Removed the TTM Huge Page functionnality to address a crash, a timeout
fix for udl, CONFIG_FB dependency improvements, a fix for a circular
 locking depency in imx, a NULL pointer dereference fix for virtio, and a
 naming collision fix for drm/locking.
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Merge tag 'drm-misc-next-fixes-2021-11-10' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

Removed the TTM Huge Page functionnality to address a crash, a timeout
fix for udl, CONFIG_FB dependency improvements, a fix for a circular
locking depency in imx, a NULL pointer dereference fix for virtio, and a
naming collision fix for drm/locking.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211110082114.vfpkpnecwdfg27lk@gilmour
2021-11-11 08:14:19 +10:00
Jason Gunthorpe 0d97950953 drm/ttm: remove ttm_bo_vm_insert_huge()
The huge page functionality in TTM does not work safely because PUD and
PMD entries do not have a special bit.

get_user_pages_fast() considers any page that passed pmd_huge() as
usable:

	if (unlikely(pmd_trans_huge(pmd) || pmd_huge(pmd) ||
		     pmd_devmap(pmd))) {

And vmf_insert_pfn_pmd_prot() unconditionally sets

	entry = pmd_mkhuge(pfn_t_pmd(pfn, prot));

eg on x86 the page will be _PAGE_PRESENT | PAGE_PSE.

As such gup_huge_pmd() will try to deref a struct page:

	head = try_grab_compound_head(pmd_page(orig), refs, flags);

and thus crash.

Thomas further notices that the drivers are not expecting the struct page
to be used by anything - in particular the refcount incr above will cause
them to malfunction.

Thus everything about this is not able to fully work correctly considering
GUP_fast. Delete it entirely. It can return someday along with a proper
PMD/PUD_SPECIAL bit in the page table itself to gate GUP_fast.

Fixes: 314b6580ad ("drm/ttm, drm/vmwgfx: Support huge TTM pagefaults")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Thomas Hellström <thomas.helllstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
[danvet: Update subject per Thomas' &Christian's review]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/0-v2-a44694790652+4ac-ttm_pmd_jgg@nvidia.com
2021-11-05 11:13:19 +01:00
Dave Airlie 5275a99e35 drm-misc-next for 5.16:
UAPI Changes:
 
 Cross-subsystem Changes:
 
 Core Changes:
   - fbdev: Fix double-free, Remove unused scrolling acceleration
   - locking: improve logging for contented locks without backoff
   - dma-buf: Add dma_resv_for_each_fence iterator, and conversion of
     users
 
 Driver Changes:
   - nouveau: Various code style improvements
   - bridge: HPD improvements for lt9611uxc, eDP aux-bus support for
     ps8640, lvds-codec data-mapping selection support
   - panels: Vivax TPC-9150, Innolux G070Y2-T02, LOGIC Technologies
     LTTD800480070-L2RT, Sharp LS060T1SX01,
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Merge tag 'drm-misc-next-2021-10-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.16:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
  - fbdev: Fix double-free, Remove unused scrolling acceleration
  - locking: improve logging for contented locks without backoff
  - dma-buf: Add dma_resv_for_each_fence iterator, and conversion of
    users

Driver Changes:
  - nouveau: Various code style improvements
  - bridge: HPD improvements for lt9611uxc, eDP aux-bus support for
    ps8640, lvds-codec data-mapping selection support
  - panels: Vivax TPC-9150, Innolux G070Y2-T02, LOGIC Technologies
    LTTD800480070-L2RT, Sharp LS060T1SX01,

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014120452.2wicnt6hobu3kbwb@gilmour
2021-11-05 13:50:15 +10:00
Amos Kong 91302d6c1d drm/ttm_bo_api: update the description for @placement and @sg
Correct the argument name of @placement and added @sg description for
ttm_bo_init() and ttm_bo_init_reserved().

Argument @flags was replaced to @placement by Jerome in commit
09855acb1c

Argument @sg was added by Dave in commit
129b78bfca

Signed-off-by: Amos Kong <amos@sietium.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/38eac09bf2ddd6088cc8a126e6bc4792eaa2dc88.1633462176.git.amos@sietium.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2021-10-13 14:22:07 +02:00
Dave Airlie 1176d15f0f Merge tag 'drm-intel-gt-next-2021-10-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
UAPI Changes:

- Add uAPI for using PXP protected objects

  Mesa changes: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8064

- Add PCI IDs and LMEM discovery/placement uAPI for DG1

  Mesa changes: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11584

- Disable engine bonding on Gen12+ except TGL, RKL and ADL-S

Cross-subsystem Changes:

- Merges 'tip/locking/wwmutex' branch (core kernel tip)
- "mei: pxp: export pavp client to me client bus"

Core Changes:

- Update ttm_move_memcpy for async use (Thomas)

Driver Changes:

- Enable GuC submission by default on DG1 (Matt B)
- Add PXP (Protected Xe Path) support for Gen12 integrated (Daniele,
  Sean, Anshuman)
  See "drm/i915/pxp: add PXP documentation" for details!
- Remove force_probe protection for ADL-S (Raviteja)
- Add base support for XeHP/XeHP SDV (Matt R, Stuart, Lucas)
- Handle DRI_PRIME=1 on Intel igfx + Intel dgfx hybrid graphics setup (Tvrtko)
- Use Transparent Hugepages when IOMMU is enabled (Tvrtko, Chris)
- Implement LMEM backup and restore for suspend / resume (Thomas)
- Report INSTDONE_GEOM values in error state for DG2 (Matt R)
- Add DG2-specific shadow register table (Matt R)
- Update Gen11/Gen12/XeHP shadow register tables (Matt R)
- Maintain backward-compatible nested batch behavior on TGL+ (Matt R)
- Add new LRI reg offsets for DG2 (Akeem)
- Initialize unused MOCS entries to device specific values (Ayaz)
- Track and use the correct UC MOCS index on Gen12 (Ayaz)
- Add separate MOCS table for Gen12 devices other than TGL/RKL (Ayaz)
- Simplify the locking and eliminate some RCU usage (Daniel)
- Add some flushing for the 64K GTT path (Matt A)
- Mark GPU wedging on driver unregister unrecoverable (Janusz)

- Major rework in the GuC codebase, simplify locking and add docs (Matt B)
- Add DG1 GuC/HuC firmwares (Daniele, Matt B)
- Remember to call i915_sw_fence_fini on guc_state.blocked (Matt A)
- Use "gt" forcewake domain name for error messages instead of "blitter" (Matt R)
- Drop now duplicate LMEM uAPI RFC kerneldoc section (Daniel)
- Fix early tracepoints for requests (Matt A)
- Use locked access to ctx->engines in set_priority (Daniel)
- Convert gen6/gen7/gen8 read operations to fwtable (Matt R)
- Drop gen11/gen12 specific mmio write handlers (Matt R)
- Drop gen11 specific mmio read handlers (Matt R)
- Use designated initializers for init/exit table (Kees)
- Fix syncmap memory leak (Matt B)
- Add pretty printing for buddy allocator state debug (Matt A)
- Fix potential error pointer dereference in pinned_context() (Dan)
- Remove IS_ACTIVE macro (Lucas)
- Static code checker fixes (Nathan)
- Clean up disabled warnings (Nathan)
- Increase timeout in i915_gem_contexts selftests 5x for GuC submission (Matt B)
- Ensure wa_init_finish() is called for ctx workaround list (Matt R)
- Initialize L3CC table in mocs init (Sreedhar, Ayaz, Ram)
- Get PM ref before accessing HW register (Vinay)
- Move __i915_gem_free_object to ttm_bo_destroy (Maarten)
- Deduplicate frequency dump on debugfs (Lucas)
- Make wa list per-gt (Venkata)
- Do not define dummy vma in stack (Venkata)
- Take pinning into account in __i915_gem_object_is_lmem (Matt B, Thomas)
- Do not report currently active engine when describing objects (Tvrtko)
- Fix pdfdocs build error by removing nested grid from GuC docs (Akira)
- Remove false warning from the rps worker (Tejas)
- Flush buffer pools on driver remove (Janusz)
- Fix runtime pm handling in i915_gem_shrink (Maarten)
- Rework TTM object initialization slightly (Thomas)
- Use fixed offset for PTEs location (Michal Wa)
- Verify result from CTB (de)register action and improve error messages (Michal Wa)
- Fix bug in user proto-context creation that leaked contexts (Matt B)

- Re-use Gen11 forcewake read functions on Gen12 (Matt R)
- Make shadow tables range-based (Matt R)
- Ditch the i915_gem_ww_ctx loop member (Thomas, Maarten)
- Use NULL instead of 0 where appropriate (Ville)
- Rename pci/debugfs functions to respect file prefix (Jani, Lucas)
- Drop guc_communication_enabled (Daniele)
- Selftest fixes (Thomas, Daniel, Matt A, Maarten)
- Clean up inconsistent indenting (Colin)
- Use direction definition DMA_BIDIRECTIONAL instead of
  PCI_DMA_BIDIRECTIONAL (Cai)
- Add "intel_" as prefix in set_mocs_index() (Ayaz)

From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YWAO80MB2eyToYoy@jlahtine-mobl.ger.corp.intel.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-11 18:09:39 +10:00
Matthew Auld 49e7f76fc5 drm/ttm: add TTM_TT_FLAG_EXTERNAL_MAPPABLE
In commit:

commit 667a50db04
Author: Thomas Hellstrom <thellstrom@vmware.com>
Date:   Fri Jan 3 11:17:18 2014 +0100

    drm/ttm: Refuse to fault (prime-) imported pages

we introduced the restriction that imported pages should not be directly
mappable through TTM(this also extends to userptr). In the next patch we
want to introduce a shmem_tt backend, which should follow all the
existing rules with TTM_PAGE_FLAG_EXTERNAL, since it will need to handle
swapping itself, but with the above mapping restriction lifted.

v2(Christian):
  - Don't OR together EXTERNAL and EXTERNAL_MAPPABLE in the definition
    of EXTERNAL_MAPPABLE, just leave it the caller to handle this
    correctly, otherwise we might encounter subtle issues.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929132629.353541-3-matthew.auld@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2021-09-29 16:18:43 +02:00
Matthew Auld a5a3dd42fe drm/ttm: add some kernel-doc for TTM_TT_FLAG_*
Move it to inline kernel-doc, otherwise we can't add empty lines it
seems. Also drop the kernel-doc for pages_list, which doesn't seem to
exist.

v2(Christian):
  - Add a note that FLAG_SWAPPED shouldn't need to be touched by drivers.
  - Mention what FLAG_POPULATED does.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929132629.353541-2-matthew.auld@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2021-09-29 16:18:20 +02:00
Matthew Auld 43d46f0b78 drm/ttm: s/FLAG_SG/FLAG_EXTERNAL/
It covers more than just ttm_bo_type_sg usage, like with say dma-buf,
since one other user is userptr in amdgpu, and in the future we might
have some more. Hence EXTERNAL is likely a more suitable name.

v2(Christian):
  - Rename these to TTM_TT_FLAGS_*
  - Fix up all the holes in the flag values

Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929132629.353541-1-matthew.auld@intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>
2021-09-29 16:17:56 +02:00