commit d0aff9d976b0027127cd2d5de5d629fc3657fed9
author Chia-I Wu <olv@google.com> Thu Jun 21 13:39:09 2018 +0800
committer Chia-I Wu <olv@google.com> Fri Jul 20 10:48:39 2018 -0700
tree c2511be30f3bdad62be2a979dbb0561480e4b01b
parent 11d106100e254ca0679751f6efad934312fba735

surfaceflinger: silence getDisplayIdentificationData error

Silence

  E HWComposer: getDisplayIdentificationData failed for display 0

on unsupported devices.

Test: no error logged
Change-Id: I5fe26258f12f4e2c7d746de1712f6d4b330fbf00

services/surfaceflinger/DisplayHardware/HWComposer.cpp

diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 4e98b88..8b7bca7 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -103,7 +103,9 @@
                                               DisplayIdentificationData* outData) const {
     const auto error = mHwcDevice->getDisplayIdentificationData(hwcDisplayId, outPort, outData);
     if (error != HWC2::Error::None) {
-        LOG_HWC_DISPLAY_ERROR(hwcDisplayId, to_string(error).c_str());
+        if (error != HWC2::Error::Unsupported) {
+            LOG_HWC_DISPLAY_ERROR(hwcDisplayId, to_string(error).c_str());
+        }
         return false;
     }
     return true;