On Fri, 18 May 2018, Ville Syrjala <[email protected]> wrote: > From: Ville Syrjälä <[email protected]> > > 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 <[email protected]>
Reviewed-by: Jani Nikula <[email protected]> > --- > 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 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
