Re: [Intel-gfx] [PATCH V4] drm/i915/jsl: Add W/A 1409054076 for JSL

2021-06-08 Thread Lucas De Marchi
On Tue, Jun 8, 2021 at 6:38 AM Tejas Upadhyay wrote: > > When pipe A is disabled and MIPI DSI is enabled on pipe B, > the AMT KVMR feature will incorrectly see pipe A as enabled. > Set 0x42080 bit 23=1 before enabling DSI on pipe B and leave > it set while DSI is enabled on pipe B. No impact to se

[Intel-gfx] [PATCH V4] drm/i915/jsl: Add W/A 1409054076 for JSL

2021-06-08 Thread Tejas Upadhyay
When pipe A is disabled and MIPI DSI is enabled on pipe B, the AMT KVMR feature will incorrectly see pipe A as enabled. Set 0x42080 bit 23=1 before enabling DSI on pipe B and leave it set while DSI is enabled on pipe B. No impact to setting it all the time. Changes since V3: - More meaning