commit d9b4c1ccbc14a8a8f2f340aab232c7f164a0195b
author Midas Chien <midaschieh@google.com> Wed Apr 22 16:43:16 2020 +0800
committer Midas Chien <midaschieh@google.com> Tue Apr 28 07:36:41 2020 +0000
tree 70dbfacd7b0c48659ffd7028dc8c1feb66b48612
parent 1d6c649bf07414f5d4faacdd75bcafb76f9577a9

PowerHint: Add DISPLAY_UPDATE_IMMINENT hint

This hint is set to indicate that the framework is likely to
provide a new frame soon. Therefore HWC has additional time to
exit power collapse.

Bug: 150196517
Test: testInflatingEmojiListViewFling
Test: testBrowseContentScroll
Change-Id: Ib068511a10af7f2dcf57ab03c24b50a4fa9ed0a9

powerhint.json

diff --git a/powerhint.json b/powerhint.json
index c4eff3d..43f2ca7 100644
--- a/powerhint.json
+++ b/powerhint.json
@@ -266,6 +266,14 @@
       "HoldFd": true
     },
     {
+      "Name": "DisplayWakeup",
+      "Path": "/sys/devices/platform/soc/ae00000.qcom,mdss_mdp/drm/card0/sde-crtc-0/early_wakeup",
+      "Values": [
+        "1",
+        "0"
+      ]
+    },
+    {
       "Name": "PowerHALMainState",
       "Path": "vendor.powerhal.state",
       "Values": [
@@ -743,6 +751,12 @@
       "Node": "PMQoSCpuDmaLatency",
       "Duration": 2000,
       "Value": "61"
+    },
+    {
+      "PowerHint": "DISPLAY_UPDATE_IMMINENT",
+      "Node": "DisplayWakeup",
+      "Duration": 60,
+      "Value": "1"
     }
   ]
 }