On Thu, 27 Jan 2022, Ville Syrjälä wrote:
> On Tue, Jan 25, 2022 at 07:03:43PM +0200, Jani Nikula wrote:
>
>> +static bool
>> +intel_dp_128b132b_lane_cds(struct intel_dp *intel_dp,
>> + const struct intel_crtc_state *crtc_state,
>> + int lttpr_count)
On Wed, 26 Jan 2022, Ville Syrjälä wrote:
> On Tue, Jan 25, 2022 at 07:03:43PM +0200, Jani Nikula wrote:
>> The DP 2.0 errata completely overhauls the 128b/132b link training, with
>> no provisions for backward compatibility with the original DP 2.0
>> specification.
>>
>> The changes are too
On Tue, Jan 25, 2022 at 07:03:43PM +0200, Jani Nikula wrote:
> +static bool
> +intel_dp_128b132b_lane_cds(struct intel_dp *intel_dp,
> +const struct intel_crtc_state *crtc_state,
> +int lttpr_count)
> +{
> + struct intel_encoder *encoder =
On Tue, Jan 25, 2022 at 07:03:43PM +0200, Jani Nikula wrote:
> The DP 2.0 errata completely overhauls the 128b/132b link training, with
> no provisions for backward compatibility with the original DP 2.0
> specification.
>
> The changes are too intrusive to consider reusing the same code for both
The DP 2.0 errata completely overhauls the 128b/132b link training, with
no provisions for backward compatibility with the original DP 2.0
specification.
The changes are too intrusive to consider reusing the same code for both
8b/10b and 128b/132b, mainly because the LTTPR channel equalisation is
