commit 7bdcc7623609fb9ec1883592ff98126c5c598bd9
author Pullakavi Srinivas <spullaka@codeaurora.org> Fri Mar 06 12:41:36 2020 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon May 11 03:18:38 2020 -0700
tree 62785d3418f49b6bd1c594778acf5b001337fa05
parent b7ce47460f36285464ef94f3c6ee89cb975b698c

hwc: Cache refresh rate requested by client.

Switch to min fps upon idle fallback and reset to
previous fps as and when display updates.

CRs-Fixed: 2645241
Change-Id: I028c12425c132449ebcd41411844a1e36e5d4c25

composer/hwc_display_builtin.cpp

diff --git a/composer/hwc_display_builtin.cpp b/composer/hwc_display_builtin.cpp
index 45d9db8..6aa1c66 100644
--- a/composer/hwc_display_builtin.cpp
+++ b/composer/hwc_display_builtin.cpp
@@ -154,6 +154,15 @@
     DLOGI("Window rect : [%f %f %f %f]", window_rect_.left, window_rect_.top,
           window_rect_.right, window_rect_.bottom);
   }
+
+  uint32_t config_index = 0;
+  GetActiveDisplayConfig(&config_index);
+  DisplayConfigVariableInfo attr = {};
+  GetDisplayAttributesForConfig(INT(config_index), &attr);
+  active_refresh_rate_ = attr.fps;
+
+  DLOGI("active_refresh_rate: %d", active_refresh_rate_);
+
   return status;
 }
 
@@ -823,7 +832,8 @@
     return metadata_refresh_rate_;
   }
 
-  return max_refresh_rate_;
+  DLOGI("active_refresh_rate_: %d", active_refresh_rate_);
+  return active_refresh_rate_;
 }
 
 void HWCDisplayBuiltIn::SetIdleTimeoutMs(uint32_t timeout_ms) {