The MST code currently assumes that glk+ already supports MST+DSC, which is incorrect. We need to check for TGL+ actually. ICL does support SST+DSC, but supposedly it can't do MST+FEC which will also rule out MST+DSC. Note that a straight TGL+ check doesn't work here because DSC support can get fused out, so we do need to also check 'has_dsc'. Cc: stable@vger.kernel.org Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path") Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240402135148.23011-6-ville.syrjala@linux.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 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.
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