[Intel-gfx] [PATCH] drm/i915: Suppress spurious combo PHY B warning

[Ville Syrjälä]

On Fri, Apr 12, 2019 at 11:29:17AM +0300, Imre Deak wrote:
> On Thu, Apr 11, 2019 at 05:33:49PM +0300, Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > On ICL the DMC doesn't reinit combo PHY B so we should not warn
> > about its state being bogus during the display core uninit.
> > 
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Yep, and we'll reinit it manually before using it:
> Reviewed-by: Imre Deak <imre.deak at intel.com>

Thanks. Pushed.

> 
> > ---
> >  drivers/gpu/drm/i915/intel_combo_phy.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_combo_phy.c b/drivers/gpu/drm/i915/intel_combo_phy.c
> > index 3d0271cebf99..2bf4359d7e41 100644
> > --- a/drivers/gpu/drm/i915/intel_combo_phy.c
> > +++ b/drivers/gpu/drm/i915/intel_combo_phy.c
> > @@ -239,7 +239,8 @@ void icl_combo_phys_uninit(struct drm_i915_private *dev_priv)
> >  	for_each_combo_port_reverse(dev_priv, port) {
> >  		u32 val;
> >  
> > -		if (!icl_combo_phy_verify_state(dev_priv, port))
> > +		if (port == PORT_A &&
> > +		    !icl_combo_phy_verify_state(dev_priv, port))
> >  			DRM_WARN("Port %c combo PHY HW state changed unexpectedly\n",
> >  				 port_name(port));
> >  
> > -- 
> > 2.21.0
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel