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Innolux panel flickers when lane clock 540000 is used

"HP ZBook Studio G7 Mobile Workstation" screen flickers when clock 540000 is used:

[    5.250878] i915 0000:00:02.0: [drm:intel_dp_compute_link_config [i915]] DP link computation with max lane count 2 max rate 540000 max bpp 24 pixel clock 152840KHz
[    5.251124] i915 0000:00:02.0: [drm:intel_dp_compute_link_config [i915]] DP lane count 1 clock 540000 bpp 24

According to the panel vendor, Innolux, though 540000 is advertised, it only works under 270000.

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