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a62b7493 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: add method to control DPAUX pad power This removes the need for NVKM to track DP HPD events, as the KMS driver follows them already, and has better information available. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
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7786fb36 |
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01-Jun-2022 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: collapse nvkm_dp into nvkm_outp There should be no changes to code here other than modifying the dereferences. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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70704fbf |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: add support for eDP link rates eDP 1.4 adds a table of link rates supported by the sink to DPCD, as well as a LINK_RATE_SET register to select between the entries in it. If present, we will use this data to generate our internal link rate table rather than using the standard list based on MAX_LINK_RATE. Some recent laptops report MAX_LINK_RATE=0, and require this support. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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405d5382 |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: add support for hbr3 Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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f21e5fa1 |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: add support for lttprs Add support for Link-Training Tunable PHY Repeaters, required to support higher bit rates on longer cables, as well as USB-C on certain docks and laptops. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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9543e3c0 |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: fixup cr/eq delays for 1.4 Also use usleep_range() instead of [um]delay() to be a bit nicer. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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3edcd504 |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: add support for tps4 Required for HBR3 and LTTPR. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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b96a1d8c |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: generate supported link rates table at detect time Replaces the static list used during link training with a table built dynamically from the union of source and sink capabilities. Preparation for adding support for HBR3, LTTPR and eDP 1.4 link rates. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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be5b6985 |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: explicitly control scrambling when setting pattern TPS1/2/3 require scrambling to be disabled. The IED scripts on earlier boards used to handle this, but appear not to anymore. TPS4 support will also require scrambling to remain enabled. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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00735459 |
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23-Nov-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: remove some remnant of a rework Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
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6eaa1f3c |
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09-Aug-2021 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: power down unused DP links during init When booted with multiple displays attached, the EFI GOP driver on (at least) Ampere, can leave DP links powered up that aren't being used to display anything. This confuses our tracking of SOR routing, with the likely result being a failed modeset and display engine hang. Fix this by (ab?)using the DisableLT IED script to power-down the link, restoring HW to a state the driver expects. 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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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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#
8d7ef84d |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/nv50-: implement a common supervisor 2.2 This makes use of all the additional routing and state added in previous commits, making it possible to deal with GM20x macro link routing, while also sharing code between the NV50 and GF119 implementations. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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3c66c87d |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: remove hw-specific customisation of output paths All of the necessary hw-specific logic is now handled at the output resource level, so all of this can go away. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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#
e8ccc96d |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/gf119-: port OR DP VCPI control to nvkm_ior Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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#
7d1fede0 |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/g94-: port OR DP drive setting control to nvkm_ior Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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a1de2b52 |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/g94-: port OR DP training pattern control to nvkm_ior Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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a3e81117 |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/g94-: port OR DP link power control to nvkm_ior Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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#
7dc0bac4 |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/g94-: port OR DP link setup to nvkm_ior Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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#
22e008f9 |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp/dp: only check for re-train when the link is active An upcoming commit will limit link training to only when the sink is meant to be displaying an image. We still need IRQs enabled even when the link isn't trained (for MST messages), but don't want to train the link unnecessarily. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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#
f3e70d29 |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: rename nvkm_output_dp to nvkm_dp Not all users of nvkm_output_dp have been changed here. The remaining ones belong to code that's disappearing in upcoming commits. This also modifies the debug level of some messages. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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af85389c |
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19-May-2017 |
Ben Skeggs <bskeggs@redhat.com> |
drm/nouveau/disp: shuffle functions around Upcoming changes to split OR from output path drastically change the placement of various operations. In order to make the real changes clearer, do the moving around part ahead of time. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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