Re: [Intel-gfx] [PATCH v3] drm/i915/dp: Send DPCD ON for MST before phy_up

2018-04-05 Thread Dhinakaran Pandiyan
On Thu, 2018-04-05 at 17:19 -0400, Lyude Paul wrote: > When doing a modeset where the sink is transitioning from D3 to D0 , it > would sometimes be possible for the initial power_up_phy() to start > timing out. This would only be observed in the last action before the > sink went into D3 mode

Re: [Intel-gfx] [PATCH v3] drm/i915/dp: Send DPCD ON for MST before phy_up

2018-04-05 Thread Pandiyan, Dhinakaran
On Thu, 2018-04-05 at 17:19 -0400, Lyude Paul wrote: > When doing a modeset where the sink is transitioning from D3 to D0 , it > would sometimes be possible for the initial power_up_phy() to start > timing out. This would only be observed in the last action before the > sink went into D3 mode

[PATCH v3] drm/i915/dp: Send DPCD ON for MST before phy_up

2018-04-05 Thread Lyude Paul
When doing a modeset where the sink is transitioning from D3 to D0 , it would sometimes be possible for the initial power_up_phy() to start timing out. This would only be observed in the last action before the sink went into D3 mode was intel_dp_sink_dpms(DRM_MODE_DPMS_OFF). We originally thought