liboverlay: Add support for MDSS Bandwidth Compression

- This adds support for Bandwidth Compression.
- If MDSS supports BWC, then we set BWC flags
  to both Rotator(encode) and overlay(decode)

Change-Id: I6f7800716a2ce2ab855f4c0b1a53cd96f7d06d74

2 files changed, 5 insertions, 0 deletions

diff --git a/libqdutils/mdp_version.cpp b/libqdutils/mdp_version.cpp
index 8da293dc..e3e78cac 100644
--- a/libqdutils/mdp_version.cpp
+++ b/libqdutils/mdp_version.cpp
@@ -117,5 +117,9 @@ uint32_t MDPVersion::getMaxMDPDownscale() {
     return mMDPDownscale;
 }
 
+bool MDPVersion::supportsBWC() {
+    // BWC - Bandwidth Compression
+    return (mFeatures & MDP_BWC_EN);
+}
 }; //namespace qdutils
 
diff --git a/libqdutils/mdp_version.h b/libqdutils/mdp_version.h
index 2fca6406..05860010 100644
--- a/libqdutils/mdp_version.h
+++ b/libqdutils/mdp_version.h
@@ -82,6 +82,7 @@ public:
     uint8_t getDMAPipes() { return mDMAPipes; }
     bool supportsDecimation();
     uint32_t getMaxMDPDownscale();
+    bool supportsBWC();
 private:
     int mMDPVersion;
     char mPanelType;