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authorLinux Build Service Account <lnxbuild@quicinc.com>2017-05-16 06:49:36 -0700
committerGerrit - the friendly Code Review server <code-review@localhost>2017-05-16 06:49:35 -0700
commitec43abcb48ff9d5eb76da7ee057141cd24f9cfd3 (patch)
treeba768db3fdbfa0465030d8db75fc3aa44b81b203 /drivers
parent2fdf1c893dca2ee68bb1f8cb7d6168bb091256c4 (diff)
parent353a91d0dadb24e908eaa0032147697697aca62e (diff)
Merge "msm: mdss: fix display port crash caused by hpd_irq attention event"
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/fbdev/msm/mdss_dp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dp.c b/drivers/video/fbdev/msm/mdss_dp.c
index 1e878e9a00cb..37346c40d81d 100644
--- a/drivers/video/fbdev/msm/mdss_dp.c
+++ b/drivers/video/fbdev/msm/mdss_dp.c
@@ -3943,6 +3943,12 @@ static int mdss_dp_process_hpd_irq_high(struct mdss_dp_drv_pdata *dp)
{
int ret = 0;
+ /* In case of HPD_IRQ events without DP link being turned on such as
+ * adb shell stop, skip handling hpd_irq event.
+ */
+ if (!dp->dp_initialized)
+ goto exit;
+
pr_debug("start\n");
dp->hpd_irq_on = true;