linux-toradex.git/drivers/gpu/host1x/hw/debug_hw.c, branch v6.19 Linux kernel for Apalis and Colibri modules gpu: host1x: Handle CDMA wraparound when debug printing 2024-08-29T18:14:29+00:00 Mikko Perttunen mperttunen@nvidia.com 2024-04-25T05:02:34+00:00 e436a40830f0fda1a1e5e51d3102644f3e0645fa During channel debug information dump, when printing CDMA opcodes, the circular nature of the CDMA pushbuffer wasn't being taken into account, sometimes accessing past the end. Change the printing to take this into account. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240425050238.2943404-2-cyndis@kapsi.fi 
During channel debug information dump, when printing CDMA
opcodes, the circular nature of the CDMA pushbuffer wasn't being
taken into account, sometimes accessing past the end. Change
the printing to take this into account.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425050238.2943404-2-cyndis@kapsi.fi
gpu: host1x: debug: Dump only relevant parts of CDMA push buffer 2021-08-13T16:23:32+00:00 Thierry Reding treding@nvidia.com 2021-07-09T16:58:29+00:00 afa770fe57b95672115c88530fae744693d30a51 Dumping the full CDMA push buffer takes a long time and isn't very useful since most of the contents are not relevant. Instead only show the CDMA push buffer entries associated with current jobs. While at it, tweak the indentation a bit to make the output more readable. Signed-off-by: Thierry Reding <treding@nvidia.com> 
Dumping the full CDMA push buffer takes a long time and isn't very
useful since most of the contents are not relevant. Instead only show
the CDMA push buffer entries associated with current jobs.

While at it, tweak the indentation a bit to make the output more
readable.

Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: debug: Use dma_addr_t more consistently 2021-08-13T16:23:32+00:00 Thierry Reding treding@nvidia.com 2021-07-09T16:55:18+00:00 ff41dd274858436f35bd20abc76f3f3b65ea6872 The host1x debug code uses a mix of phys_addr_t, dma_addr_t and u32 to represent addresses. However, these addresses are always DMA addresses so use the appropriate type. This fixes some issues with how these addresses are displayed, because they could be truncated in some cases and not show the full address. Signed-off-by: Thierry Reding <treding@nvidia.com> 
The host1x debug code uses a mix of phys_addr_t, dma_addr_t and u32 to
represent addresses. However, these addresses are always DMA addresses
so use the appropriate type.

This fixes some issues with how these addresses are displayed, because
they could be truncated in some cases and not show the full address.

Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: Add support for syncpoint waits in CDMA pushbuffer 2021-08-10T12:41:19+00:00 Mikko Perttunen mperttunen@nvidia.com 2021-06-10T11:04:45+00:00 e902585fc8b639f1a1258eaa6265e98994e34ef8 Add support for inserting syncpoint waits in the CDMA pushbuffer. These waits need to be done in HOST1X class, while gather submitted by the application execute in engine class. Support is added by converting the gather list of job into a command list that can include both gathers and waits. When the job is submitted, these commands are pushed as the appropriate opcodes on the CDMA pushbuffer. Also supported are waits relative to the start of the job, which are useful for jobs doing multiple things with an engine that doesn't natively support pipelining. While at it, use 32-bit waits on chips that support them. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Add support for inserting syncpoint waits in the CDMA pushbuffer.
These waits need to be done in HOST1X class, while gather submitted
by the application execute in engine class.

Support is added by converting the gather list of job into a command
list that can include both gathers and waits. When the job is
submitted, these commands are pushed as the appropriate opcodes
on the CDMA pushbuffer.

Also supported are waits relative to the start of the job,
which are useful for jobs doing multiple things with an engine
that doesn't natively support pipelining.

While at it, use 32-bit waits on chips that support them.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: Cleanup and refcounting for syncpoints 2021-03-31T15:42:13+00:00 Mikko Perttunen mperttunen@nvidia.com 2021-03-29T13:38:32+00:00 2aed4f5ab04af922a7cf1b616701845c9ed2473f Add reference counting for allocated syncpoints to allow keeping them allocated while jobs are referencing them. Additionally, clean up various places using syncpoint IDs to use host1x_syncpt pointers instead. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Add reference counting for allocated syncpoints to allow keeping
them allocated while jobs are referencing them. Additionally,
clean up various places using syncpoint IDs to use host1x_syncpt
pointers instead.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: debug: Dump push buffer state 2020-07-17T14:06:14+00:00 Dmitry Osipenko digetx@gmail.com 2020-06-29T03:18:42+00:00 7c6b8cac8c19240f013a62f133e2dc8cfeb7a206 When job hangs and there is a memory error pointing at channel's push buffer, it is very handy to know the push buffer's state. This patch makes the push buffer's state to be dumped into KMSG in addition to the job's gathers. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
When job hangs and there is a memory error pointing at channel's push
buffer, it is very handy to know the push buffer's state. This patch
makes the push buffer's state to be dumped into KMSG in addition to the
job's gathers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05T15:36:37+00:00 Thomas Gleixner tglx@linutronix.de 2019-05-29T14:17:56+00:00 9c92ab61914157664a2fbdf926df0eb937838e45 Based on 1 normalized pattern(s): this software is licensed under the terms of the gnu general public license version 2 as published by the free software foundation and may be copied distributed and modified under those terms this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Based on 1 normalized pattern(s):

  this software is licensed under the terms of the gnu general public
  license version 2 as published by the free software foundation and
  may be copied distributed and modified under those terms this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 285 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
gpu: host1x: Disassemble more instructions 2017-10-20T12:19:52+00:00 Mikko Perttunen mperttunen@nvidia.com 2017-09-28T12:50:42+00:00 2a79c034b579beb90b34c6942ff7d54ece5d3ea0 The disassembler for debug dumps was missing some newer host1x opcodes. Add disassembly support for these. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
The disassembler for debug dumps was missing some newer host1x opcodes.
Add disassembly support for these.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: Improve debug disassembly formatting 2017-10-20T12:19:52+00:00 Mikko Perttunen mperttunen@nvidia.com 2017-09-28T12:50:41+00:00 eb2ee1a28db17155bcee4630e36ea1759b7e10dc The host1x driver prints out "disassembly" dumps of the command FIFO and gather contents on submission timeouts. However, the output has been quite difficult to read with unnecessary newlines and occasional missing parentheses. Fix these problems by using pr_cont to remove unnecessary newlines and by fixing other small issues. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
The host1x driver prints out "disassembly" dumps of the command FIFO
and gather contents on submission timeouts. However, the output has
been quite difficult to read with unnecessary newlines and occasional
missing parentheses.

Fix these problems by using pr_cont to remove unnecessary newlines
and by fixing other small issues.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: Add Tegra186 support 2017-10-20T12:19:51+00:00 Mikko Perttunen mperttunen@nvidia.com 2017-09-05T08:43:05+00:00 f1b53c4e2c08cbd805a2fdede0026edb30b59602 Add support for the implementation of Host1x present on the Tegra186. The register space has been shuffled around a little bit, requiring addition of some chip-specific code sections. Tegra186 also adds several new features, most importantly the hypervisor, but those are not yet supported with this commit. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Add support for the implementation of Host1x present on the Tegra186.
The register space has been shuffled around a little bit, requiring
addition of some chip-specific code sections. Tegra186 also adds
several new features, most importantly the hypervisor, but those are
not yet supported with this commit.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>