On Fri, Apr 01, 2016 at 04:02:34PM +0300, Imre Deak wrote: > This register is read-only, so we have never actually set > OCL2_LDOFUSE_PWR_DIS in it as specified by the specification. Add a code > comment about this. I filed a specification update request to clarify > this there. > > CC: Arthur J Runyan <arthur.j.runyan@xxxxxxxxx> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> Reviewed-by: David Weinehall <david.weinehall@xxxxxxxxx> > > --- > > [ Art, CC'ing you in case you know if this would have an effect on > anything. ] > --- > drivers/gpu/drm/i915/intel_ddi.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c > index 2758622..f91306e 100644 > --- a/drivers/gpu/drm/i915/intel_ddi.c > +++ b/drivers/gpu/drm/i915/intel_ddi.c > @@ -1798,6 +1798,9 @@ static void broxton_phy_init(struct drm_i915_private *dev_priv, > * enabled. > * TODO: port C is only connected on BXT-P, so on BXT0/1 we should > * power down the second channel on PHY0 as well. > + * > + * FIXME: Clarify programming of the following, the register is > + * read-only with bit 6 fixed at 0 at least in stepping A. > */ > if (phy == DPIO_PHY1) > val |= OCL2_LDOFUSE_PWR_DIS; > -- > 2.5.0 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx