Fix klocwork issues in GFX domain

Revert an old fix because it dosen't pass kw scan.
Fix kw issues in commit bee3746 base on 80 daily build.
The rest of issues will be set as ignored later.

Test: tested on APL
Tracked-On: https://jira.devtools.intel.com/browse/OAM-83338
Sighed-off-by: Yuanzhe, Liu <yuanzhe.liu@intel.com>
Change-Id: Ia6aa596b4dc4c83820910a2dd40a53f774c94508
Reviewed-on: https://android.intel.com:443/672875

common/core/gpudevice.cpp

@@ -400,8 +400,6 @@ void GpuDevice::ParseLogicalDisplaySetting(
       logical_split_str.find_first_not_of("0123456789") != std::string::npos)
     return;
   uint32_t physical_index = atoi(physical_index_str.c_str());
-  if (physical_index < 0)
-    return;
   uint32_t logical_split_num = atoi(logical_split_str.c_str());
   if (logical_split_num <= 1)
     return;

wsi/drm/drmdisplay.cpp

@@ -169,6 +169,7 @@ void DrmDisplay::GetEDIDDisplayData(const ScopedDrmObjectPropertyPtr &props) {
 
   edid = (uint8_t *)blob->data;
   if (!edid) {
+    drmModeFreePropertyBlob(blob);
     return;
   }
   std::memset(display_data, 0, sizeof(display_data));
@@ -196,6 +197,7 @@ void DrmDisplay::GetEDIDDisplayData(const ScopedDrmObjectPropertyPtr &props) {
     }
   }
 
+  drmModeFreePropertyBlob(blob);
   ITRACE("Got EDID display name \"%s\"\n", display_name_.c_str());
 }
 

wsi/drm/drmdisplay.h

@@ -198,7 +198,7 @@ class DrmDisplay : public PhysicalDisplay {
   uint32_t flags_ = DRM_MODE_ATOMIC_ALLOW_MODESET;
   bool planes_updated_ = false;
   bool first_commit_ = false;
-  std::string display_name_;
+  std::string display_name_ = "";
   HWCContentProtection current_protection_support_ =
       HWCContentProtection::kUnSupported;
   HWCContentProtection desired_protection_support_ =