On Thu, 19 Mar 2015, ville.syrjala at linux.intel.com wrote: > From: Ville Syrjälä <ville.syrjala at linux.intel.com> > > AUX addresses are 20 bits long. Send out the entire address instead of > just the low 16 bits. > > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula at intel.com> > --- > drivers/gpu/drm/i915/intel_dp.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c > index 3967af1..637dd53 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -942,8 +942,9 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct > drm_dp_aux_msg *msg) > size_t txsize, rxsize; > int ret; > > - txbuf[0] = msg->request << 4; > - txbuf[1] = msg->address >> 8; > + txbuf[0] = (msg->request << 4) | > + ((msg->address >> 16) & 0xf); > + txbuf[1] = (msg->address >> 8) & 0xff; > txbuf[2] = msg->address & 0xff; > txbuf[3] = msg->size - 1; > > -- > 2.0.5 > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- Jani Nikula, Intel Open Source Technology Center
