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2019-02-20drm/nouveau/fault/gv100-: expose VoltaFaultBufferABen Skeggs1-0/+1
This nvclass exposes the replayable fault buffer, which will be used by SVM to manage GPU page faults. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20drm/nouveau/fault/gp100: expose MaxwellFaultBufferABen Skeggs2-0/+14
This nvclass exposes the replayable fault buffer, which will be used by SVM to manage GPU page faults. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20drm/nouveau/mmu/gp100-: support vmms with gcc/tex replayable faults enabledBen Skeggs1-0/+6
Some GPU units are capable of supporting "replayable" page faults, where the execution unit will wait for SW to fixup GPU page tables rather than triggering a channel-fatal fault. This feature isn't useful (it's harmful, even) unless something like HMM is being used to manage events appearing in the replayable fault buffer, so, it's disabled by default. This commit allows a client to request it be enabled. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20drm/nouveau/mmu/gp100-: add privileged methods for fault replay/cancelBen Skeggs2-0/+16
Host methods exist to do at least some of what we need, but we are not currently pushing replay/cancels through a channel like UVM does as it's not clear whether it's necessary in our case (UVM also updates PTEs with the GPU). UVM also pushes a software method for fault cancels on Pascal, seemingly because the host methods don't appear to be sufficient. If/when we want to push the replay/cancel on the GPU, we can re-purpose the cancellation code here to implement that swmthd. Keep it simple for now, until we figure out exactly what we need here. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20drm/nouveau/mmu: add a privileged method to directly manage PTEsBen Skeggs1-0/+26
This provides a somewhat more direct method of manipulating the GPU page tables, which will be required to support SVM. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20drm/nouveau/mmu: support initialisation of client-managed address-spacesBen Skeggs2-3/+4
NVKM is currently responsible for managing the allocation of a client's GPU address-space, but there's various use-cases (ie. HMM address-space mirroring) where giving a client more direct control is desirable. This commit allows for a VMM to be created where the area allocated for NVKM is limited to a client-specified window, the remainder of address- space is controlled directly by the client. Leaving a window is necessary to support various internal requirements, but also to support existing allocation interfaces as not all of the HW is capable of working with a HMM allocation. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20drm/nouveau/disp/tu102: rename implementation from tu104Ben Skeggs1-5/+5
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/ce/tu104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/fifo/tu104: initial supportBen Skeggs1-0/+1
Various different bits and pieces vs GV100. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/disp/tu104: initial supportBen Skeggs1-0/+5
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/core: recognise TU104Ben Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/fifo/gv100: return work submission token in channel ctor argsBen Skeggs2-1/+20
The token will also contain runlist ID on Turing, so instead expose it as an opaque value from NVKM so the client doesn't need to care. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/fifo/gk104-: support enabling privileged ce functionsBen Skeggs1-1/+1
Will be used by SVM code to allow direct (without going through MMU) memcpy using the GPU copy engines. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11drm/nouveau/fifo/gk104-: return channel instance in ctor argsBen Skeggs1-0/+1
Will be used to match fault buffer entries with a channel. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-10-11drm/nouveau/disp: add a way to configure scrambling/tmds for hdmi 2.0Ilia Mirkin1-1/+4
High pixel clocks are required to use a 40 TMDS divider instead of 10, and even low ones may optionally use scrambling depending on device support. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16drm/nouveau/nvif: remove const attribute from nvif_mclassNick Desaulniers1-1/+1
Similar to commit 0bf8bf50eddc ("module: Remove const attribute from alias for MODULE_DEVICE_TABLE") Fixes many -Wduplicate-decl-specifier warnings due to the combination of const typeof() of already const variables. Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/gr/gv100: initial supportBen Skeggs1-0/+3
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/ce/gv100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/fifo/gv100: initial supportBen Skeggs3-0/+25
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/disp/gv100: initial supportBen Skeggs3-0/+31
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/core: recognise gv100Ben Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/kms: move display class instantiation to libraryBen Skeggs2-0/+28
This function is useful outside of DRM code. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/fifo/gk104-: require explicit runlist selection for channel ↵Ben Skeggs1-16/+2
allocation We didn't used to be aware that runlist/engine IDs weren't the same thing, or that there was such variability in configuration between GPUs. By exposing this information to a client, and giving it explicit control of which runlist it's allocating a channel on, we're able to make better choices. The immediate effect of this is that on GPUs where CE0 is the "GRCE", we will now be allocating a copy engine running asynchronously to GR for BO migrations - as intended. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/fifo/gk104-: support querying engines available on each runlistBen Skeggs3-0/+30
Will be used to improve channel runlist selection. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/fifo: support channel count queryBen Skeggs2-1/+4
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/device: support querying available engines of a specific typeBen Skeggs1-0/+19
Will be used for fifo runlist selection. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/device: implement a generic method to query device-specific ↵Ben Skeggs1-0/+16
properties We have a need to fetch data from GPU-specific sub-devices that is not tied to any particular engine object. This commit provides the framework to support such queries. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18drm/nouveau/disp/nv50-: pass nvkm_memory objects for channel push buffersBen Skeggs2-0/+3
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-15Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds25-30/+440
Pull drm updates from Dave Airlie: "This is the main drm pull request for v4.15. Core: - Atomic object lifetime fixes - Atomic iterator improvements - Sparse/smatch fixes - Legacy kms ioctls to be interruptible - EDID override improvements - fb/gem helper cleanups - Simple outreachy patches - Documentation improvements - Fix dma-buf rcu races - DRM mode object leasing for improving VR use cases. - vgaarb improvements for non-x86 platforms. New driver: - tve200: Faraday Technology TVE200 block. This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in the StorLink SL3516 (later Cortina Systems CS3516) as well as the Grain Media GM8180. New bridges: - SiI9234 support New panels: - S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba LT089AC19000, Innolux AT043TN24 i915: - Remove Coffeelake from alpha support - Cannonlake workarounds - Infoframe refactoring for DisplayPort - VBT updates - DisplayPort vswing/emph/buffer translation refactoring - CCS fixes - Restore GPU clock boost on missed vblanks - Scatter list updates for userptr allocations - Gen9+ transition watermarks - Display IPC (Isochronous Priority Control) - Private PAT management - GVT: improved error handling and pci config sanitizing - Execlist refactoring - Transparent Huge Page support - User defined priorities support - HuC/GuC firmware refactoring - DP MST fixes - eDP power sequencing fixes - Use RCU instead of stop_machine - PSR state tracking support - Eviction fixes - BDW DP aux channel timeout fixes - LSPCON fixes - Cannonlake PLL fixes amdgpu: - Per VM BO support - Powerplay cleanups - CI powerplay support - PASID mgr for kfd - SR-IOV fixes - initial GPU reset for vega10 - Prime mmap support - TTM updates - Clock query interface for Raven - Fence to handle ioctl - UVD encode ring support on Polaris - Transparent huge page DMA support - Compute LRU pipe tweaks - BO flag to allow buffers to opt out of implicit sync - CTX priority setting API - VRAM lost infrastructure plumbing qxl: - fix flicker since atomic rework amdkfd: - Further improvements from internal AMD tree - Usermode events - Drop radeon support nouveau: - Pascal temperature sensor support - Improved BAR2 handling - MMU rework to support Pascal MMU exynos: - Improved HDMI/mixer support - HDMI audio interface support tegra: - Prep work for tegra186 - Cleanup/fixes msm: - Preemption support for a5xx - Display fixes for 8x96 (snapdragon 820) - Async cursor plane fixes - FW loading rework - GPU debugging improvements vc4: - Prep for DSI panels - fix T-format tiling scanout - New madvise ioctl Rockchip: - LVDS support omapdrm: - omap4 HDMI CEC support etnaviv: - GPU performance counters groundwork sun4i: - refactor driver load + TCON backend - HDMI improvements - A31 support - Misc fixes udl: - Probe/EDID read fixes. tilcdc: - Misc fixes. pl111: - Support more variants adv7511: - Improve EDID handling. - HDMI CEC support sii8620: - Add remote control support" * tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits) drm/rockchip: analogix_dp: Use mutex rather than spinlock drm/mode_object: fix documentation for object lookups. drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU drm/i915: Move init_clock_gating() back to where it was drm/i915: Prune the reservation shared fence array drm/i915: Idle the GPU before shinking everything drm/i915: Lock llist_del_first() vs llist_del_all() drm/i915: Calculate ironlake intermediate watermarks correctly, v2. drm/i915: Disable lazy PPGTT page table optimization for vGPU drm/i915/execlists: Remove the priority "optimisation" drm/i915: Filter out spurious execlists context-switch interrupts drm/amdgpu: use irq-safe lock for kiq->ring_lock drm/amdgpu: bypass lru touch for KIQ ring submission drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories() drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs() drm/amd/powerplay: initialize a variable before using it drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug drm/rockchip: add CONFIG_OF dependency for lvds ...
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman33-0/+33
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02drm/nouveau/mmu: remove old vmm frontendBen Skeggs1-2/+0
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau: switch over to new memory and vmm interfacesBen Skeggs1-2/+0
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau: pass handle of vmm object to channel allocation ioctlsBen Skeggs6-6/+6
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau: use nvif_mmu_type to determine BAR1 cachingBen Skeggs1-1/+0
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu: define user interfaces to mmu vmm opertaionsBen Skeggs2-0/+103
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu: define user interfaces to mmu memory allocationBen Skeggs2-0/+27
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu: define user interfaces to mmuBen Skeggs3-0/+103
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gf100-: type-based vram allocation and bar mappingBen Skeggs2-0/+24
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/nv50,g84: type-based vram allocation and bar mappingBen Skeggs2-0/+26
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/nv04-nv4x: type-based vram allocation and bar mappingBen Skeggs2-0/+12
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu: add base for type-based memory allocationBen Skeggs2-0/+15
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gp100,gp10b: implement new vmm backendBen Skeggs1-0/+13
Adds support for: - 64KiB/2MiB big page sizes (128KiB not supported by HW with new PT layout). - System-memory PTs. - LPTE "invalid" state. - (Tegra) Use of video memory aperture. - Sparse PDEs/PTEs. - Additional blocklinear kinds. - 49-bit address-space. GP100 supports an entirely new 5-level page table layout that provides an expanded 49-bit address-space. It also supports the layout present on previous generations, which we've been making do with until now. This commit implements support for the new layout, and enables it by default. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gm200,gm20b: implement new vmm backendBen Skeggs1-0/+13
Adds support for: - 64KiB big page size. - System-memory PTs. - LPTE "invalid" state. - (Tegra) Use of video memory aperture. - Sparse PDEs/PTEs. - Additional blocklinear kinds. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gf100: implement new vmm backendBen Skeggs1-0/+13
Adds support for: - 64KiB big page size. - System-memory PTs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/nv50,g84: implement new vmm backendBen Skeggs1-0/+13
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/nv04: implement new vmm backendBen Skeggs1-0/+4
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gp100,gp10b: implement vmm on top of new baseBen Skeggs2-0/+9
Adds support for: - Selection of old/new-style page table layout (GP100MmuLayout=0/1). - System-memory PDs. New layout disabled by default for the moment, as we don't have a backend that can handle it yet. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gm200,gm20b: implement vmm on top of new baseBen Skeggs2-0/+15
Adds support for: - Per-VMM selection of big page size. - System-memory PDs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/gf100: implement vmm on top of new baseBen Skeggs2-0/+9
Adds support for: - Selection of a 64KiB big page size (NvFbBigPage=16). - System-memory PDs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02drm/nouveau/mmu/nv50,g84: implement vmm on top of new baseBen Skeggs2-0/+9
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 12:42:18 +0000