We need this for dp aux communication. This issue can fill the dmesg with WARN spam when the panel is disable (e.g. while reconfiguring the mode or while resuming).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50808 Reported-by: Linus Torvalds <torvalds at linux-foundation.org> Bugreport: http://permalink.gmane.org/gmane.comp.video.dri.devel/69695 Cc: stable at vger.kernel.org Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_dp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 296cfc2..9a7edcf 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2165,6 +2165,7 @@ intel_dp_detect(struct drm_connector *connector, bool force) if (status != connector_status_connected) return status; + ironlake_edp_panel_vdd_on(intel_dp); intel_dp_probe_oui(intel_dp); if (intel_dp->force_audio != HDMI_AUDIO_AUTO) { @@ -2177,6 +2178,7 @@ intel_dp_detect(struct drm_connector *connector, bool force) kfree(edid); } } + ironlake_edp_panel_vdd_off(intel_dp, false); return connector_status_connected; } -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
