[PATCH 0/1][SRU][F/OEM-5.6]drm/i915/dp_mst - System would hang during the boot up

[Koba Ko]

On Mon, Nov 2, 2020 at 7:28 PM Stefan Bader <stefan.bader at canonical.com>
wrote:

> On 02.11.20 06:46, Koba Ko wrote:
> > BugLink: https://bugs.launchpad.net/bugs/1902469
> >
> > [Impact]
> > The machine connect with the external monitor on dock(Thunderbolt),
> > Then system would hang during the boot-up.
> >
> > [Fix]
> > The atomic check hooks must look up the encoder to be used with a
> > connector from the connector's atomic state, and not assume that it's
> > the connector's current attached encoder. The latter one can change
> > under the atomic check func, or can be unset yet as in the case of MST
> > connectors.
> >
> > [test]
> > With the patch, The machine connect with the external monitor on
> dock(Thunderbolt),
> > Then system boot up successfully.
> >
> > [Regression Potential]
> > Low. This patch is also verified by others and is archived in the drmtip.
> >
> > Imre Deak (1):
> >   drm/i915: Fix encoder lookup during PSR atomic check
> >
> >  drivers/gpu/drm/i915/display/intel_psr.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> Is this focal/oem-5.6 only? The bug report points at focal/linux.
>
> -Stefan
>
> I thought "[F/OEM5.6]" is for Focal-generic and OEM5.6.
If I want to SRU to focal/linux, would you please guide me how to state!?
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