Re: [PATCH v3 2/2] drm/i915/mst: filter out the display mode exceed sink's capability

2020-07-10 Thread Imre Deak
On Fri, Jul 10, 2020 at 03:31:44PM -0400, Lyude Paul wrote: > From: Lee Shawn C > > So far, max dot clock rate for MST mode rely on physcial > bandwidth limitation. It would caused compatibility issue > if source display resolution exceed MST hub output ability. > > For example, source DUT had D

[PATCH v3 2/2] drm/i915/mst: filter out the display mode exceed sink's capability

2020-07-10 Thread Lyude Paul
From: Lee Shawn C So far, max dot clock rate for MST mode rely on physcial bandwidth limitation. It would caused compatibility issue if source display resolution exceed MST hub output ability. For example, source DUT had DP 1.2 output capability. And MST docking just support HDMI 1.4 spec. When