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Add support for regular DisplayPort on Tegra210 and Tegra186.
Signed-off-by: Thierry Reding <[email protected]>
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Make use of the DP link training helpers to implement full and fast link
training. While at it, refactor some of the code and remove various code
sequences that are not necessary.
Signed-off-by: Thierry Reding <[email protected]>
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Enrico Weigelt <[email protected]>
Reviewed-by: Kate Stewart <[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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This code is very similar to the audio over HDMI support on older chips.
Interoperation with the audio codec is done via a pair of codec scratch
registers and an interrupt that is raised at the SOR when the codec has
written those registers.
Signed-off-by: Thierry Reding <[email protected]>
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In addition to using the SCDC helpers to enable support for scrambling
for HDMI 2.0 modes, take into account the high pixel clocks when
programming some of the registers.
Signed-off-by: Thierry Reding <[email protected]>
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The SOR found on Tegra186 is very similar to the one found on Tegra210
and earlier. However, due to some changes in the display architecture,
some programming sequences have changed and some register have moved
around.
Signed-off-by: Thierry Reding <[email protected]>
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Current generations of Tegra do not support deep color modes, so force
8 bits per color even if the connected monitor or panel supports more.
Signed-off-by: Thierry Reding <[email protected]>
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The SOR1 introduced on Tegra210 supports HDMI 2.0 and DisplayPort. Add
HDMI support and name the debugfs node after the type of SOR. The SOR
introduced with Tegra124 is known simply as "sor", whereas the
additional SOR found on Tegra210 is known as "sor1".
Signed-off-by: Thierry Reding <[email protected]>
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The TRM lists indexed registers without an underscore to separate name
from index. Use that convention in the driver for consistency.
While at it, rename some of the field names to the names used in the
TRM.
Signed-off-by: Thierry Reding <[email protected]>
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The SOR allows the computation of a 32 bit CRC of the content that it
transmits. This functionality is exposed via debugfs and is useful to
verify proper operation of the SOR.
Signed-off-by: Thierry Reding <[email protected]>
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Add support for eDP functionality found on Tegra124 and later SoCs. Only
fast link training is currently supported.
Signed-off-by: Thierry Reding <[email protected]>
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