libhwc2.1: Fix bug updating MPP's attribute

Previous code added attribute value that gets from
display driver to the default attribute value.
Attribute should be replaced by the value from driver if
driver supports attribute query.

Signed-off-by: HyunKyung Kim <hk310.kim@samsung.com>
Change-Id: If2a37f2644863dfc7719c456b80402c00ace47cb

1 files changed, 3 insertions, 1 deletions

diff --git a/libhwc2.1/libdisplayinterface/ExynosDeviceInterface.cpp b/libhwc2.1/libdisplayinterface/ExynosDeviceInterface.cpp
index fab3c9e..7920830 100644
--- a/libhwc2.1/libdisplayinterface/ExynosDeviceInterface.cpp
+++ b/libhwc2.1/libdisplayinterface/ExynosDeviceInterface.cpp
@@ -169,12 +169,14 @@ int32_t ExynosDeviceInterface::updateFeatureTable() {
         // feature table count
         for (uint32_t j = 0; j < featureTableCnt; j++){
             if (feature_table[j].hwType == hwType) {
+                uint64_t attr = 0;
                 // dpp attr count
                 for (int k = 0; k < attrMapCnt; k++) {
                     if (c_r.attr & (1 << dpu_attr_map_table[k].dpp_attr)) {
-                        feature_table[j].attr |= dpu_attr_map_table[k].hwc_attr;
+                        attr |= dpu_attr_map_table[k].hwc_attr;
                     }
                 }
+                feature_table[j].attr = attr;
             }
         }
     }