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Mainline Linux tree for various devices, only for fun :)
fb5c8e9d43
This is an important part of the DDI initalization as well as for changing the voltage during DisplayPort link training. The Voltage swing seqeuence is similar to Cannonlake. However it has different register definitions and hence it makes sense to create a separate vswing sequence and program functions for ICL to leave room for more changes in case the Bspec changes later and deviates from CNL sequence. v2: Use ~TAP3_DISABLE for enbaling that bit (Jani Nikula) v3: * Use dw4_scaling column for PORT_TX_DW4 values (Rodrigo) v4: * Call it combo_vswing, use switch statement (Paulo) v5 (from Paulo): * Fix a typo. * s/rate < 600000/rate <= 600000/. * Don't remove blank lines that should be there. v6: * Rebased by Rodrigo on top of Cannonlake changes where non vswing sequences are not aligned with iboost anymore. v7: Another rebase after an upstream rework. v8 (from Paulo): * Adjust the code to the upstream output type changes. * Squash the patch that moved some functions up. * Merge both get_combo_buf_trans functions in order to simplify the code. * Change the changelog format. v9 (from Paulo): * Use RTERM_SELECT instead of SCALING_MODE_SEL. * Adjust the output type handling according to how the other platforms do it now. v10 (from Paulo): * Fix comment left out from v9 changes (Rodrigo). Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: James Ausmus <james.ausmus@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180328215803.13835-8-paulo.r.zanoni@intel.com |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.