[PATCH 10/10] drm/i915/xe3lpd: Add powerdown value of eDP over type c

Matt Atwood matthew.s.atwood at intel.com
Wed Oct 9 23:05:24 UTC 2024


On Wed, Oct 09, 2024 at 10:57:03AM +0300, Jani Nikula wrote:
> On Tue, 08 Oct 2024, Matt Atwood <matthew.s.atwood at intel.com> wrote:
> > From: Suraj Kandpal <suraj.kandpal at intel.com>
> >
> > Add condition for P2.PG power down value.
> >
> > Bspec: 74494
> > Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
> > Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/intel_cx0_phy.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> > index 1c8c2a2b05e1..3d95ee65a9f1 100644
> > --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> > +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> > @@ -3144,7 +3144,8 @@ static u8 cx0_power_control_disable_val(struct intel_encoder *encoder)
> >  	if (intel_encoder_is_c10phy(encoder))
> >  		return CX0_P2PG_STATE_DISABLE;
> >  
> > -	if (IS_BATTLEMAGE(i915) && encoder->port == PORT_A)
> > +	if ((IS_BATTLEMAGE(i915) && encoder->port == PORT_A) ||
> > +	    (DISPLAY_VER(i915) >= 30 && encoder->type == INTEL_OUTPUT_EDP))
> >  		return CX0_P2PG_STATE_DISABLE;
> 
> Does this match what the subject says?
Please address Jani's comments
> 
> BR,
> Jani.
> 
> >  
> >  	return CX0_P4PG_STATE_DISABLE;
> 
> -- 
> Jani Nikula, Intel


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