Re: [Nouveau] [RFC 13/20] drm/i915/dp: Extract drm_dp_downstream_read_info()

2020-08-24 Thread Imre Deak
On Fri, Aug 21, 2020 at 01:43:39PM -0400, Lyude Paul wrote: > [...] > > The wording is a bit unclear, but as I understand the Standard only > > calls for the above: > > > > """ > > A DP upstream device shall read the capability from DPCD Addresses 00080h > > through 00083h. A DP Branch device

Re: [Nouveau] [RFC 13/20] drm/i915/dp: Extract drm_dp_downstream_read_info()

2020-08-21 Thread Lyude Paul
On Fri, 2020-08-21 at 01:37 +0300, Imre Deak wrote: > On Wed, Aug 19, 2020 at 05:34:15PM -0400, Lyude Paul wrote: > > (adding Ville and Imre to the cc here, they might be interested to know > > about > > this, comments down below) > > > > On Wed, 2020-08-19 at 11:15 -0400, Sean Paul wrote: > > >

Re: [Nouveau] [RFC 13/20] drm/i915/dp: Extract drm_dp_downstream_read_info()

2020-08-20 Thread Imre Deak
On Wed, Aug 19, 2020 at 05:34:15PM -0400, Lyude Paul wrote: > (adding Ville and Imre to the cc here, they might be interested to know about > this, comments down below) > > On Wed, 2020-08-19 at 11:15 -0400, Sean Paul wrote: > > On Tue, Aug 11, 2020 at 04:04:50PM -0400, Lyude Paul wrote: > > >

Re: [Nouveau] [RFC 13/20] drm/i915/dp: Extract drm_dp_downstream_read_info()

2020-08-19 Thread Lyude Paul
(adding Ville and Imre to the cc here, they might be interested to know about this, comments down below) On Wed, 2020-08-19 at 11:15 -0400, Sean Paul wrote: > On Tue, Aug 11, 2020 at 04:04:50PM -0400, Lyude Paul wrote: > > We're going to be doing the same probing process in nouveau for > >

Re: [Nouveau] [RFC 13/20] drm/i915/dp: Extract drm_dp_downstream_read_info()

2020-08-19 Thread Sean Paul
On Tue, Aug 11, 2020 at 04:04:50PM -0400, Lyude Paul wrote: > We're going to be doing the same probing process in nouveau for > determining downstream DP port capabilities, so let's deduplicate the > work by moving i915's code for handling this into a shared helper: >

[Nouveau] [RFC 13/20] drm/i915/dp: Extract drm_dp_downstream_read_info()

2020-08-11 Thread Lyude Paul
We're going to be doing the same probing process in nouveau for determining downstream DP port capabilities, so let's deduplicate the work by moving i915's code for handling this into a shared helper: drm_dp_downstream_read_info(). Note that when we do this, we also do make some functional