On Wed, 26 May 2021, Ville Syrjälä <[email protected]> wrote:
> On Wed, May 26, 2021 at 11:29:03AM +0300, Jani Nikula wrote:
>> On ADL-P, it's possible to enable the stream splitter on pipe B in
>> addition to pipe A.
>>
>> Bspec: 50174
>> Cc: Uma Shankar <[email protected]>
>> Cc: Ville Syrjälä <[email protected]>
>> Signed-off-by: Jani Nikula <[email protected]>
>
> I have a feeling I reviewed this already. But maybe I'm just
> imagining it.
>
> Reviewed-by: Ville Syrjälä <[email protected]>
Thanks, pushed to drm-intel-next.
BR,
Jani.
>
>> ---
>> drivers/gpu/drm/i915/display/intel_ddi.c | 7 +++++--
>> 1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
>> b/drivers/gpu/drm/i915/display/intel_ddi.c
>> index 3d8918674153..4d6f1a206f56 100644
>> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>> @@ -4729,9 +4729,12 @@ void intel_ddi_init(struct drm_i915_private
>> *dev_priv, enum port port)
>>
>> dig_port->hpd_pulse = intel_dp_hpd_pulse;
>>
>> - /* Splitter enable for eDP MSO is supported for pipe A only. */
>> - if (dig_port->dp.mso_link_count)
>> + /* Splitter enable for eDP MSO is limited to certain pipes. */
>> + if (dig_port->dp.mso_link_count) {
>> encoder->pipe_mask = BIT(PIPE_A);
>> + if (IS_ALDERLAKE_P(dev_priv))
>> + encoder->pipe_mask |= BIT(PIPE_B);
>> + }
>> }
>>
>> /* In theory we don't need the encoder->type check, but leave it just in
>> --
>> 2.20.1
--
Jani Nikula, Intel Open Source Graphics Center
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