surfaceflinger: hwc1: Fix hwrotation

Change-Id: I1f8defb108ff944f07ac32e8b147d1d87e7089e0

Author: raymanfx

services/surfaceflinger/SurfaceFlinger_hwc1.cpp

@@ -634,10 +634,21 @@ status_t SurfaceFlinger::getDisplayConfigs(const sp<IBinder>& display,
             info.orientation = 0;
         }
 
-        info.w = hwConfig.width;
-        info.h = hwConfig.height;
-        info.xdpi = xdpi;
-        info.ydpi = ydpi;
+        char value[PROPERTY_VALUE_MAX];
+        property_get("ro.sf.hwrotation", value, "0");
+        int additionalRot = atoi(value) / 90;
+        if ((type == DisplayDevice::DISPLAY_PRIMARY) && (additionalRot & DisplayState::eOrientationSwapMask)) {
+            info.h = hwConfig.width;
+            info.w = hwConfig.height;
+            info.xdpi = ydpi;
+            info.ydpi = xdpi;
+        }
+        else {
+            info.w = hwConfig.width;
+            info.h = hwConfig.height;
+            info.xdpi = xdpi;
+            info.ydpi = ydpi;
+        }
         info.fps = float(1e9 / hwConfig.refresh);
         info.appVsyncOffset = VSYNC_EVENT_PHASE_OFFSET_NS;
         info.colorTransform = hwConfig.colorTransform;