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c296e3f2ce
Starting with Xe3p_LPD, when intel_phy_is_tc() returns true, it does
not necessarily mean that the port is connected to a PHY in the Type-C
subsystem. The reason is that there is now a VBT field called
dedicated_external that will indicate that a Type-C capable port is
connected to a (most likely) combo/dedicated PHY. When that's the case,
we must not do the extra programming required for Type-C connections.
In an upcoming change, we will modify intel_encoder_is_tc() to take the
VBT field dedicated_external into consideration. Update
intel_display_power_well.c to use that function instead of
intel_phy_is_tc().
Note that, even though icl_aux_power_well_{enable,disable} are not part
of Xe3p_LPD's display paths, we modify them anyway for uniformity.
v2:
- Add and use icl_aux_pw_is_tc_phy() helper to avoid explicit encoder
lookup. (Imre)
Cc: Imre Deak <imre.deak@intel.com>
Cc: Shekhar Chauhan <shekhar.chauhan@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> # v1
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251202012306.9315-3-matthew.s.atwood@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
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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 reStructuredText 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.