The display port DPMS state is tracked internally in the display port driver so that when a hotplug event comes along, the driver can know whether to try retraining the link. This doesn't work well if the driver never sets the DPMS state to ON when the output is enabled. Signed-off-by: Keith Packard <keithp@xxxxxxxxxx> --- drivers/gpu/drm/i915/intel_dp.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 9ab8708..8602143 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -881,6 +881,7 @@ static void intel_dp_commit(struct drm_encoder *encoder) } if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) ironlake_edp_backlight_on(dev); + intel_dp->dpms_mode = DRM_MODE_DPMS_ON; } static void -- 1.7.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
