On Fri, May 31, 2019 at 11:26:26AM +0300, Imre Deak wrote: > Make sure the HW state of the port A combo PHY is correct wrt. the > IREFGEN setting. This will force a reprogramming during init or a WARN > during uninit if the setting is incorrect. > > On my ICL RVP I haven't seen this check failing and leading to a forced > reinit/WARN, but let's add it still for consistency. > > Cc: Ville Syrjälä <[email protected]> > Signed-off-by: Imre Deak <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/intel_combo_phy.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_combo_phy.c > b/drivers/gpu/drm/i915/intel_combo_phy.c > index 98213cc58736..841708da5a56 100644 > --- a/drivers/gpu/drm/i915/intel_combo_phy.c > +++ b/drivers/gpu/drm/i915/intel_combo_phy.c > @@ -198,6 +198,10 @@ static bool icl_combo_phy_verify_state(struct > drm_i915_private *dev_priv, > > ret = cnl_verify_procmon_ref_values(dev_priv, port); > > + if (port == PORT_A) > + ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW8(port), > + IREFGEN, IREFGEN); > + > ret &= check_phy_reg(dev_priv, port, ICL_PORT_CL_DW5(port), > CL_POWER_DOWN_ENABLE, CL_POWER_DOWN_ENABLE); > > -- > 2.17.1 -- Ville Syrjälä Intel _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
