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babde06db8
PICA is used for DP alt mode and TBT modes. Hotplug interruption is routed from PICA chip to south display engine and from there to north display engine. This patch adds functionality to enable hotplug detection for all Type-C ports (4 ports available). Differently from HPD in south display, PICA provides a dedicated HPD control register for each supported port, so we loop over ports ourselves instead of using intel_hpd_hotplug_enables() or intel_get_hpd_pins(). BSpec: 49305, 55726, 65107, 65300 Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com> Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Signed-off-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230413212443.1504245-6-radhakrishna.sripada@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 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.