diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 37b211d..35c5dc2 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -127,11 +127,6 @@
         sEnableMixedMode = false;
     }
 
-    if(property_get("debug.mdpcomp.logs", property, NULL) > 0) {
-        if(atoi(property) != 0)
-            sDebugLogs = true;
-    }
-
     sMaxPipesPerMixer = MAX_PIPES_PER_MIXER;
     if(property_get("debug.mdpcomp.maxpermixer", property, "-1") > 0) {
         int val = atoi(property);
diff --git a/libhwcomposer/hwc_mdpcomp.h b/libhwcomposer/hwc_mdpcomp.h
index 713020a..1ebe0bd 100644
--- a/libhwcomposer/hwc_mdpcomp.h
+++ b/libhwcomposer/hwc_mdpcomp.h
@@ -56,6 +56,7 @@
     static bool init(hwc_context_t *ctx);
     static void resetIdleFallBack() { sIdleFallBack = false; }
     static bool isIdleFallback() { return sIdleFallBack; }
+    static void dynamicDebug(bool enable){ sDebugLogs = enable; }
 
 protected:
     enum { MAX_SEC_LAYERS = 1 }; //TODO add property support
diff --git a/libhwcomposer/hwc_qclient.cpp b/libhwcomposer/hwc_qclient.cpp
index 77215ca..892e9c0 100644
--- a/libhwcomposer/hwc_qclient.cpp
+++ b/libhwcomposer/hwc_qclient.cpp
@@ -31,6 +31,7 @@
 #include <IQService.h>
 #include <hwc_utils.h>
 #include <mdp_version.h>
+#include <hwc_mdpcomp.h>
 
 #define QCLIENT_DEBUG 0
 
@@ -213,6 +214,26 @@
     }
 }
 
+static void toggleDynamicDebug(hwc_context_t* ctx, const Parcel* inParcel) {
+    int debug_type = inParcel->readInt32();
+    bool enable = !!inParcel->readInt32();
+    ALOGD("%s: debug_type: %d enable:%d",
+            __FUNCTION__, debug_type, enable);
+    Locker::Autolock _sl(ctx->mDrawLock);
+    switch (debug_type) {
+        //break is ignored for DEBUG_ALL to toggle all of them at once
+        case IQService::DEBUG_ALL:
+        case IQService::DEBUG_MDPCOMP:
+            qhwc::MDPComp::dynamicDebug(enable);
+            if (debug_type != IQService::DEBUG_ALL)
+                break;
+        case IQService::DEBUG_VSYNC:
+            ctx->vstate.debug = enable;
+            if (debug_type != IQService::DEBUG_ALL)
+                break;
+    }
+}
+
 status_t QClient::notifyCallback(uint32_t command, const Parcel* inParcel,
         Parcel* outParcel) {
     status_t ret = NO_ERROR;
@@ -255,6 +276,9 @@
         case IQService::SET_VIEW_FRAME:
             setViewFrame(mHwcContext, inParcel);
             break;
+        case IQService::DYNAMIC_DEBUG:
+            toggleDynamicDebug(mHwcContext, inParcel);
+            break;
         default:
             ret = NO_ERROR;
     }
diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index d2d1846..49a01b2 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -158,6 +158,7 @@
 struct VsyncState {
     bool enable;
     bool fakevsync;
+    bool debug;
 };
 
 struct BwcPM {
diff --git a/libhwcomposer/hwc_vsync.cpp b/libhwcomposer/hwc_vsync.cpp
index ca93ad2..47f2229 100644
--- a/libhwcomposer/hwc_vsync.cpp
+++ b/libhwcomposer/hwc_vsync.cpp
@@ -40,7 +40,6 @@
 #define PANEL_ON_STR "panel_power_on ="
 #define ARRAY_LENGTH(array) (sizeof((array))/sizeof((array)[0]))
 const int MAX_DATA = 64;
-bool logvsync = false;
 
 int hwc_vsync_control(hwc_context_t* ctx, int dpy, int enable)
 {
@@ -63,7 +62,7 @@
         timestamp = strtoull(data + strlen("VSYNC="), NULL, 0);
     }
     // send timestamp to SurfaceFlinger
-    ALOGD_IF (logvsync, "%s: timestamp %"PRIu64" sent to SF for dpy=%d",
+    ALOGD_IF (ctx->vstate.debug, "%s: timestamp %"PRIu64" sent to SF for dpy=%d",
             __FUNCTION__, timestamp, dpy);
     ctx->proc->vsync(ctx->proc, dpy, timestamp);
 }
@@ -110,11 +109,6 @@
             ctx->vstate.fakevsync = true;
     }
 
-    if(property_get("debug.hwc.logvsync", property, 0) > 0) {
-        if(atoi(property) == 1)
-            logvsync = true;
-    }
-
     char node_path[MAX_SYSFS_FILE_PATH];
 
     for (int dpy = HWC_DISPLAY_PRIMARY; dpy < num_displays; dpy++) {
diff --git a/libqservice/IQService.h b/libqservice/IQService.h
index 5c9acf7..c222eb9 100644
--- a/libqservice/IQService.h
+++ b/libqservice/IQService.h
@@ -52,6 +52,7 @@
         PAUSE_WFD,               // Pause/Resume WFD
         SET_WFD_STATUS,          // Set if wfd connection is on/off
         SET_VIEW_FRAME,          // Set view frame of display
+        DYNAMIC_DEBUG,           // Enable more logging on the fly
         COMMAND_LIST_END = 400,
     };
 
@@ -60,6 +61,12 @@
         START,
     };
 
+    enum {
+        DEBUG_ALL,
+        DEBUG_MDPCOMP,
+        DEBUG_VSYNC,
+    };
+
     // Register a client that can be notified
     virtual void connect(const android::sp<qClient::IQClient>& client) = 0;
     // Generic function to dispatch binder commands