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| author | Imre Deak <imre.deak@intel.com> | 2024-06-10 19:49:28 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2024-06-13 21:26:49 +0300 |
| commit | 73afc1e2fd1d3b3f086a4ba1714c8d1ecc40d4f9 (patch) | |
| tree | a53bc99cab81c46847521ce9ea45f98cdf9d7b61 /tools/perf/scripts/python/syscall-counts.py | |
| parent | e3e70d08409086ada2c864373d9d8b8ef9a55936 (diff) | |
drm/i915/dp_mst: Enable link training fallback for MST
Reduce the link parameters after a link training failure for MST
outputs, similarly to how this is done for SST.
For now allow the reduction only by staying in the 8b/10b vs. 128b/132b
mode. Enabling the mode switch is left for a follow-up patchset, after
taking measures ensuring that the mode switch happens properly. In
particular a rediscovery of the whole MST topology may be required for
such a switch, see the References below.
Link: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10970
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240610164933.2947366-17-imre.deak@intel.com
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
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