commit afa45bcae196d43c7ad8f752b1d311d10be7235d
author Dileep Marchya <dmarchya@codeaurora.org> Fri Jun 21 17:05:31 2019 +0530
committer Dileep Marchya <dmarchya@codeaurora.org> Wed Jun 26 10:08:21 2019 +0530
tree 8cf576ebcf6dc9a1c45ee28caf60f666998c7d9a
parent fccaef349b2108093f770d17630407030aa8d278

sdm: Add HIDL implementation to configure bit clocks.

Change-Id: I2ff291c6d0c27986bd207ffdc22c8b67431d632c
CRs-Fixed: 2476186

composer/hwc_session.cpp

diff --git a/composer/hwc_session.cpp b/composer/hwc_session.cpp
index 3a3cbfd..f3ea6d9 100644
--- a/composer/hwc_session.cpp
+++ b/composer/hwc_session.cpp
@@ -1974,7 +1974,12 @@
 android::status_t HWCSession::SetDsiClk(const android::Parcel *input_parcel) {
   int disp_id = input_parcel->readInt32();
   uint64_t clk = UINT64(input_parcel->readInt64());
-  if (disp_id < 0 || !hwc_display_[disp_id]) {
+  if (disp_id < 0) {
+    return -EINVAL;
+  }
+
+  SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_id]);
+  if (!hwc_display_[disp_id]) {
     return -EINVAL;
   }
 
@@ -1984,7 +1989,12 @@
 android::status_t HWCSession::GetDsiClk(const android::Parcel *input_parcel,
                                         android::Parcel *output_parcel) {
   int disp_id = input_parcel->readInt32();
-  if (disp_id < 0 || !hwc_display_[disp_id]) {
+  if (disp_id < 0) {
+    return -EINVAL;
+  }
+
+  SEQUENCE_WAIT_SCOPE_LOCK(locker_[disp_id]);
+  if (!hwc_display_[disp_id]) {
     return -EINVAL;
   }
 
@@ -1998,7 +2008,12 @@
 android::status_t HWCSession::GetSupportedDsiClk(const android::Parcel *input_parcel,
                                                  android::Parcel *output_parcel) {
   int disp_id = input_parcel->readInt32();
-  if (disp_id < 0 || !hwc_display_[disp_id]) {
+  if (disp_id < 0) {
+    return -EINVAL;
+  }
+
+  SCOPE_LOCK(locker_[disp_id]);
+  if (!hwc_display_[disp_id]) {
     return -EINVAL;
   }