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There's no need to wrap the BIT() macro into an extra set of parentheses
because it's already implemented to use its own set.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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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 <treding@nvidia.com>
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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 <treding@nvidia.com>
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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 <treding@nvidia.com>
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Consistently use a format of %pad+%#x to print address/offset in debug
messages.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Signed-off-by: Thierry Reding <treding@nvidia.com>
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This reduces the amount of casting that needs to be done to get rid of
annoying warnings on 64-bit builds.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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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 <olof@lixom.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This is slightly safer than adding -Idrivers/gpu/host1x to cflags-y.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This patch merges host1x_syncpt_cpu_incr to host1x_syncpt_incr() as
they are in practise doing the same thing. host1x_syncpt_incr() is
also modified to return error codes. User space interface is modified
accordingly to pass return values.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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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 <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
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Add support for host1x client modules, and host1x channels to submit
work to the clients.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
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