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da1fbcc0 |
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18-Sep-2023 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo/tu102-: prepare for GSP-RM - (temporarily) disable if GSP-RM detected, will be added later - add dtor() so GSP-RM paths can cleanup properly - add alternate engine context mapping interface for RM engines - add alternate chid interfaces to handle RM USERD oddities Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-26-skeggsb@gmail.com
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06db7fde |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add new channel classes Exposes a bunch of the new features that became possible as a result of the earlier commits. DRM will build on this in the future to add support for features such as SCG ("async compute") and multi-device rendering, as part of the work necessary to be able to write a half- decent vulkan driver - finally. For the moment, this just crudely ports DRM to the API changes. - channel class interfaces now the same for all HW classes - channel group class exposed (SCG) - channel runqueue selector exposed (SCG) - channel sub-device id control exposed (multi-device rendering) - channel names in logging will reflect creating process, not fd owner - explicit USERD allocation required by VOLTA_CHANNEL_GPFIFO_A and newer - drm is smarter about determining the appropriate channel class to use Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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7ac29332 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add new engine object handling Simplifies the GPU-specific code, completing the switch to newer HALs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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8ab849d6 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add new engine context handling Builds on the context tracking that was added earlier. - marks engine context PTEs as 'priv' where possible Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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3647c53b |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add RAMFC info to nvkm_chan_func - adds support for specifying SUBDEVICE_ID for channel - rounds non-power-of-two GPFIFO sizes down, rather than up Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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fbe9f433 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add USERD info to nvkm_chan_func And use it to cleanup multiple implementations of almost the same thing. - prepares for non-polled / client-provided USERD - only zeroes relevant "registers", rather than entire USERD Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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d3e7a439 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add RAMIN info to nvkm_chan_func Currently provided by {chan,dma,gpfifo}*.c, and those are going away. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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b084fff2 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add common runlist control - less dependence on waiting for runlist updates, on GPUs that allow it - supports runqueue selector in RAMRL entries - completes switch to common runl/cgrp/chan topology info Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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acff9415 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add chan/cgrp preempt() Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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67059b9f |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add chan start()/stop() - nvkm_chan_error() built on top, stops channel and sends 'killed' event - removes an odd double-bashing of channel enable regs on kepler and up - pokes doorbell on turing and up, after enabling channel Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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62742b5e |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add chan bind()/unbind() - stops programming (non-existent) runl id field on bind(), from maxwell Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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f48dd293 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add new engine context tracking Channel groups have somewhat more complicated requirements than what we currently support. An engine context is shared between all channels in a channel group, VEID/subctx support (later) brings per-VEID components, and we need to track an individual channel's engine context pointers. This commit adds the structures and refcounting to support the above, wrapping the prior implementation for the moment. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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468fae7b |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add cgrp, have all channels be part of one Engine context tracking will move to nvkm_cgrp in later commits, so we create SW-only channel groups on HW without support for them. - switches to nvkm_chid for TSG/channel ID allocation Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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800ac1f8 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: add chid allocator We need to be able to allocate TSG IDs as well as channel IDs, also, Ampere has per-runlist channel IDs. - holds per-ID private data, which will be used for/to protect lookup - holds an nvkm_event which will be used for events tied to IDs - not used yet beyond setup, and switching use of "fifo->nr - 1" for channel ID mask to "chid->mask" Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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f5e45689 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: unify handling of channel classes Adds the basic skeleton for common channel (group) interfaces. - common behaviour between <gk104 and >=gk104 impl's - separates priv/user channel objects - passthrough to existing object for now, kludges removed later Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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6c9705f6 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: expose channel killed in host channel event class Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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ad3b0d33 |
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08-Feb-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: turn chan subdev mask into engine mask This data is used to know which engines/classes are reachable on a given channel's runlist, and needs to be replaced with something that doesn't rely on subdev index. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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b7019ac5 |
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19-Jun-2019 |
Ilia Mirkin <imirkin@alum.mit.edu> |
drm/nouveau: fix bogus GPL-2 license header The bulk SPDX addition made all these files into GPL-2.0 licensed files. However the remainder of the project is MIT-licensed, these files (primarily header files) were simply missing the boiler plate and got caught up in the global update. Fixes: b24413180f5 (License cleanup: add SPDX GPL-2.0 license identifier to files with no license) Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Acked-by: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Karol Herbst <kherbst@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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9d24907c |
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10-Dec-2018 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo/gv100: return work submission token in channel ctor args 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>
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b2441318 |
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01-Nov-2017 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license 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>
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ff9f29ab |
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04-Nov-2016 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo/gf100-: provide notification to user if channel is killed There are instances (such as non-recoverable GPU page faults) where NVKM decides that a channel's context is no longer viable, and will be removed from the runlist. This commit notifies the owner of the channel when this happens, so it has the opportunity to take some kind of recovery action instead of hanging. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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13de7f46 |
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19-Aug-2015 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: convert to new-style nvkm_engine Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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8f0649b5 |
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19-Aug-2015 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: convert user classes to new-style nvkm_object Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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9a65a38c |
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19-Aug-2015 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/fifo: split user classes out from engine implementations Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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