commit 5ec3a87eeddf28ae16fa0157a1e0ceaf4039862d
author Padmanabhan Komanduru <pkomandu@codeaurora.org> Mon Apr 13 14:19:16 2020 +0530
committer Venkat Thogaru <vthogaru@codeaurora.org> Mon May 11 16:57:51 2020 +0530
tree a1b2540193e489ded86d512b2daf2f545d060277
parent b7ce47460f36285464ef94f3c6ee89cb975b698c

sdm: add support for POMS in and out of doze mode transitions

Change-Id: I24c518df4ed38c246c938dea3f064a851c665483

composer/hwc_display_builtin.cpp

diff --git a/composer/hwc_display_builtin.cpp b/composer/hwc_display_builtin.cpp
index 45d9db8..7440946 100644
--- a/composer/hwc_display_builtin.cpp
+++ b/composer/hwc_display_builtin.cpp
@@ -390,12 +390,30 @@
   }
 }
 
+void HWCDisplayBuiltIn::SetPartialUpdate(DisplayConfigFixedInfo fixed_info) {
+  partial_update_enabled_ = fixed_info.partial_update || (!fixed_info.is_cmdmode);
+  for (auto hwc_layer : layer_set_) {
+    hwc_layer->SetPartialUpdate(partial_update_enabled_);
+  }
+  client_target_->SetPartialUpdate(partial_update_enabled_);
+}
+
 HWC2::Error HWCDisplayBuiltIn::SetPowerMode(HWC2::PowerMode mode, bool teardown) {
+  DisplayConfigFixedInfo fixed_info = {};
+  display_intf_->GetConfig(&fixed_info);
+  bool command_mode = fixed_info.is_cmdmode;
+
   auto status = HWCDisplay::SetPowerMode(mode, teardown);
   if (status != HWC2::Error::None) {
     return status;
   }
 
+  display_intf_->GetConfig(&fixed_info);
+  is_cmd_mode_ = fixed_info.is_cmdmode;
+  if (is_cmd_mode_ != command_mode) {
+    SetPartialUpdate(fixed_info);
+  }
+
   if (mode == HWC2::PowerMode::Off) {
     SetBwLimitHint(false);
   }
@@ -418,6 +436,9 @@
     }
   } else {
     CacheAvrStatus();
+    DisplayConfigFixedInfo fixed_info = {};
+    display_intf_->GetConfig(&fixed_info);
+    bool command_mode = fixed_info.is_cmdmode;
 
     status = CommitStitchLayers();
     if (status != HWC2::Error::None) {
@@ -431,6 +452,11 @@
       PostCommitStitchLayers();
       status = HWCDisplay::PostCommitLayerStack(out_retire_fence);
       SetBwLimitHint(true);
+      display_intf_->GetConfig(&fixed_info);
+      is_cmd_mode_ = fixed_info.is_cmdmode;
+      if (is_cmd_mode_ != command_mode) {
+        SetPartialUpdate(fixed_info);
+      }
     }
   }