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Charlene Liu e97978e812 drm/amd/display: add i2c speed arbitration for dc_i2c and hdcp_i2c
[why]
HDCP 1.4 failed on SL8800 SW w/a test driver use.

[how]
slower down the HW i2c speed when used by HW i2c.
this request: each acquired_i2c_engine setup the i2c speed needed.
and set the I2c engine for HDCP use at release_engine.

this covers SW using HW I2c engine and HDCP using HW I2c engine. for
dmcu using HW I2c engine, needs add similar logic in dmcufw.

Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-11-24 12:07:07 -05:00
arch Linux 5.10-rc3 2020-11-10 14:36:36 +01:00
block
certs
crypto
Documentation Linux 5.10-rc3 2020-11-10 14:36:36 +01:00
drivers drm/amd/display: add i2c speed arbitration for dc_i2c and hdcp_i2c 2020-11-24 12:07:07 -05:00
fs
include drm/fourcc: fix AMD modifiers PACKERS field doc 2020-11-16 12:20:13 -05:00
init
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scripts Driver core documentation fixes for 5.10-rc3 2020-11-08 11:30:25 -08:00
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tools Linux 5.10-rc3 2020-11-10 14:36:36 +01:00
usr
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MAINTAINERS Linux 5.10-rc3 2020-11-10 14:36:36 +01:00
Makefile Linux 5.10-rc3 2020-11-08 16:10:16 -08:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.