On Thu, 2017-10-26 at 10:59 +0300, Jani Nikula wrote: > On Thu, 10 Aug 2017, Dhinakaran Pandiyan <dhnkrn@xxxxxxxxx> wrote: > > DPCD 600h - SET_POWER & SET_DP_PWR_VOLTAGE defines power state > > > > 101 = Set Main-Link for local Sink device and all downstream Sink > > devices to D3 (power-down mode), keep AUX block fully powered, ready to > > reply within a Response Timeout period of 300us. > > > > This state is useful in a MST dock + MST monitor configuration that > > doesn't wake up from D3 state. > > Dhinakaran, these two seem to have fallen through the cracks, please > resend. > So the "drm/dp/mst: Sideband message transaction to power up/down nodes" series I sent fixed the DPMS issues I was seeing with my setup. We'll have to evaluate whether this patch is still useful for anyone (probably https://bugs.freedesktop.org/show_bug.cgi?id=90963). > Sorry & thanks, > Jani. > > > > > > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx> > > --- > > include/drm/drm_dp_helper.h | 9 +++++---- > > 1 file changed, 5 insertions(+), 4 deletions(-) > > > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > > index b17476a..d77e0f5 100644 > > --- a/include/drm/drm_dp_helper.h > > +++ b/include/drm/drm_dp_helper.h > > @@ -614,10 +614,11 @@ > > #define DP_BRANCH_HW_REV 0x509 > > #define DP_BRANCH_SW_REV 0x50A > > > > -#define DP_SET_POWER 0x600 > > -# define DP_SET_POWER_D0 0x1 > > -# define DP_SET_POWER_D3 0x2 > > -# define DP_SET_POWER_MASK 0x3 > > +#define DP_SET_POWER 0x600 > > +# define DP_SET_POWER_D0 0x1 > > +# define DP_SET_POWER_D3 0x2 > > +# define DP_SET_POWER_MASK 0x3 > > +# define DP_SET_POWER_D3_AUX_ON 0x5 > > > > #define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */ > > # define DP_EDP_11 0x00 > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
