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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 <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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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 <[email protected]>
Reviewed-by: Alexios Zavras <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The disassembler for debug dumps was missing some newer host1x opcodes.
Add disassembly support for these.
Signed-off-by: Mikko Perttunen <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
Tested-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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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 <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
Tested-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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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 <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
Tested-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Insert a number of blank lines in places where they increase readability
of the code. Also collapse various variable declarations to shorten some
functions and finally rewrite some code for readability.
Signed-off-by: Thierry Reding <[email protected]>
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Fix a couple of occurrences where no blank line was used to separate
variable declarations from code or where block comments were wrongly
formatted.
Signed-off-by: Thierry Reding <[email protected]>
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IDs can never be negative so use unsigned int. In some instances an
explicitly sized type (such as u32) was used for no particular reason,
so turn those into unsigned int as well for consistency.
Signed-off-by: Thierry Reding <[email protected]>
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The number of channels, syncpoints, bases and mlocks can never be
negative, so use unsigned int instead of int. Also make loop variables
the same type for consistency.
Signed-off-by: Thierry Reding <[email protected]>
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MLOCK's debug info, spewed on CDMA timeout, contains meaningless MLOCK
owner channel ID because HOST1X_SYNC_MLOCK_OWNER_CHID_F() returns shifted
value, while unshifted should be used. Fix it by changing '_F' to '_V'.
Signed-off-by: Dmitry Osipenko <[email protected]>
Reviewed-By: Terje Bergstrom <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Consistently use a format of %pad+%#x to print address/offset in debug
messages.
Signed-off-by: Thierry Reding <[email protected]>
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When building with LPAE=y (64-bit dma_addr_t), the following warnings are seen:
drivers/gpu/host1x/hw/cdma_hw.c:57:3: warning: format '%x' expects
argument of type 'unsigned int', but argument 5 has type 'dma_addr_t'
drivers/gpu/host1x/hw/debug_hw.c:167:10: warning: format '%x' expects
argument of type 'unsigned int', but argument 3 has type 'dma_addr_t'
The agreed-to solution for this is upcast to u64 and using %llx.
Signed-off-by: Olof Johansson <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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This is slightly safer than adding -Idrivers/gpu/host1x to cflags-y.
Signed-off-by: Thierry Reding <[email protected]>
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Expose the buffer objects, syncpoint and channel functionality in the
public public header so that drivers can use them.
Signed-off-by: Thierry Reding <[email protected]>
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Most of the included files are either not required or already included
by some other header file.
Signed-off-by: Thierry Reding <[email protected]>
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Add support for host1x debugging. Adds debugfs entries, and dumps
channel state to UART in case of stuck job.
Signed-off-by: Arto Merilainen <[email protected]>
Signed-off-by: Terje Bergstrom <[email protected]>
Reviewed-by: Thierry Reding <[email protected]>
Tested-by: Thierry Reding <[email protected]>
Tested-by: Erik Faye-Lund <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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