[PATCH] drm/msm/dp: populate connector of struct dp_panel

[Kuogee Hsieh]

There is kernel crashed happen due to unable to handle kernel NULL
pointer dereference  of dp_panel->connector while running DP link
layer compliance test case 4.2.2.6 (EDIDCorruption Detection).
This patch will fixed the problem by populating connector of dp_panel.

Fixes: 7948fe12d47 ("drm/msm/dp: return correct edid checksum after corrupted edid checksum read")
Signed-off-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
---
 drivers/gpu/drm/msm/dp/dp_panel.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 71db10c..6a938a2 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -197,6 +197,8 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
 	kfree(dp_panel->edid);
 	dp_panel->edid = NULL;
 
+	dp_panel->connector = connector;
+
 	dp_panel->edid = drm_get_edid(connector,
 					      &panel->aux->ddc);
 	if (!dp_panel->edid) {
-- 
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