On Wed, May 23, 2018 at 12:43:16PM +0300, Jani Nikula wrote:
> On Fri, 18 May 2018, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > We don't support using the power sequencer with other ports besides LVDS
> > on pre-ilk platforms. WARN if someone has mistakenly connected the power
> > sequencer to the wrong port.
> >
> > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Series pushed to dinq. Thanks for the review.
>
>
> > ---
> > drivers/gpu/drm/i915/intel_display.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index a7702a72cd69..4773a4f52bfe 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -1236,7 +1236,12 @@ void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe)
> > pp_reg = PP_CONTROL(pipe);
> > panel_pipe = pipe;
> > } else {
> > + u32 port_sel;
> > +
> > pp_reg = PP_CONTROL(0);
> > + port_sel = I915_READ(PP_ON_DELAYS(0)) & PANEL_PORT_SELECT_MASK;
> > +
> > + WARN_ON(port_sel != PANEL_PORT_SELECT_LVDS);
> > intel_lvds_port_enabled(dev_priv, LVDS, &panel_pipe);
> > }
>
> --
> Jani Nikula, Intel Open Source Graphics Center
--
Ville Syrjälä
Intel
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