This new debugfs will expose the currently using bpc by crtc. It is very useful for verifying whether we enter the correct output color depth from IGT. This patch will also add the connector's max supported bpc to "i915_display_info" debugfs. Example: cat /sys/kernel/debug/dri/0/crtc-0/i915_current_bpc Current: 8 Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220519095149.3560034-3-bhanuprakash.modem@intel.com
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.
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