Commit 351cfc34 authored by Daniel Vetter's avatar Daniel Vetter

drm/i915: eDP aux needs vdd

The new oui probe has been missing these.

This issue has been introduce in

commit 0d198328
Author: Adam Jackson <ajax@redhat.com>
Date:   Mon May 14 16:05:47 2012 -0400

    drm/i915/dp: Probe branch/sink OUIs

v2: Do the eDP vdd dance of simply not probing the OUI on eDP panels
as suggested by Chris Wilson.

v3: Fix up the error path fail - I suck.

Cc: Adam Jackson <ajax@redhat.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50808Reported-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Bugreport: http://permalink.gmane.org/gmane.comp.video.dri.devel/69695Tested-by: default avatarYang Guang <guang.a.yang@intel.com>
Reviewed-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent b708a1d5
...@@ -1973,6 +1973,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp) ...@@ -1973,6 +1973,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp)
if (!(intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT)) if (!(intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT))
return; return;
ironlake_edp_panel_vdd_on(intel_dp);
if (intel_dp_aux_native_read_retry(intel_dp, DP_SINK_OUI, buf, 3)) if (intel_dp_aux_native_read_retry(intel_dp, DP_SINK_OUI, buf, 3))
DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n", DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n",
buf[0], buf[1], buf[2]); buf[0], buf[1], buf[2]);
...@@ -1980,6 +1982,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp) ...@@ -1980,6 +1982,8 @@ intel_dp_probe_oui(struct intel_dp *intel_dp)
if (intel_dp_aux_native_read_retry(intel_dp, DP_BRANCH_OUI, buf, 3)) if (intel_dp_aux_native_read_retry(intel_dp, DP_BRANCH_OUI, buf, 3))
DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n", DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n",
buf[0], buf[1], buf[2]); buf[0], buf[1], buf[2]);
ironlake_edp_panel_vdd_off(intel_dp, false);
} }
static bool static bool
......
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