LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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hwc2: Flush while destroying external display.

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- On external display, outstanding fences are not
  signaled during destroy. They get signaled only on
  drm_release and drm_release happen in composer restart.
  So need to flush external before destroying.

CRs-fixed: 2187232
Change-Id: I0a7f029237cb0d8015904565c0755731a7b27212
This commit is contained in:
Rajavenu Kyatham
2018-02-14 18:59:26 +05:30
committed by Gerrit - the friendly Code Review server
parent 58d0e0f083
commit f86f7947e4
4 changed files with 15 additions and 2 deletions
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6
sdm/libs/hwc2/hwc_display.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright 2015 The Android Open Source Project
@@ -150,6 +150,10 @@ class HWCDisplay : public DisplayEventHandler {
virtual int SetState(bool connected) {
return kErrorNotSupported;
}
virtual DisplayError Flush() {
return kErrorNotSupported;
}
int SetPanelBrightness(int level);
int GetPanelBrightness(int *level);
int ToggleScreenUpdates(bool enable);

4
sdm/libs/hwc2/hwc_display_external.cpp
View File

@@ -278,4 +278,8 @@ void HWCDisplayExternal::GetUnderScanConfig() {
}
}
DisplayError HWCDisplayExternal::Flush() {
return display_intf_->Flush();
}
} // namespace sdm

3
sdm/libs/hwc2/hwc_display_external.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@@ -49,6 +49,7 @@ class HWCDisplayExternal : public HWCDisplay {
virtual HWC2::Error Present(int32_t *out_retire_fence);
virtual void SetSecureDisplay(bool secure_display_active);
virtual int SetState(bool connected);
virtual DisplayError Flush();
private:
HWCDisplayExternal(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,

4
sdm/libs/hwc2/hwc_session.cpp
View File

@@ -959,6 +959,10 @@ int HWCSession::DisconnectDisplay(int disp) {
DLOGI("Display = %d", disp);
if (disp == HWC_DISPLAY_EXTERNAL) {
DisplayError error = hwc_display_[disp]->Flush();
if (error != kErrorNone) {
DLOGW("Flush failed. Error = %d", error);
}
HWCDisplayExternal::Destroy(hwc_display_[disp]);
} else if (disp == HWC_DISPLAY_VIRTUAL) {
HWCDisplayVirtual::Destroy(hwc_display_[disp]);