sdm: Reduce severity of create_fd failure messages

- Valid file descriptors are not guaranteed in
  prepare phase. File descriptors are set to
  correct values in commit phase. In such cases,
  create_fd failures are false positives.

Change-Id: I91fbc5b407ee4f84290be8beb8bf036870f2cf4a
CRs-Fixed: 2218863
diff --git a/libdrmutils/drm_master.cpp b/libdrmutils/drm_master.cpp
index f0d14b1..96429e2 100644
--- a/libdrmutils/drm_master.cpp
+++ b/libdrmutils/drm_master.cpp
@@ -97,7 +97,7 @@
   uint32_t gem_handle = 0;
   int ret = drmPrimeFDToHandle(dev_fd_, drm_buffer.fd, &gem_handle);
   if (ret) {
-    DRM_LOGE("drmPrimeFDToHandle failed with error %d", ret);
+    DRM_LOGW("drmPrimeFDToHandle failed with error %d", ret);
     return ret;
   }
 
diff --git a/sdm/libs/core/drm/hw_device_drm.cpp b/sdm/libs/core/drm/hw_device_drm.cpp
index e90a782..ef8deeb 100644
--- a/sdm/libs/core/drm/hw_device_drm.cpp
+++ b/sdm/libs/core/drm/hw_device_drm.cpp
@@ -284,7 +284,7 @@
     uint32_t fb_id = 0;
     int ret = master->CreateFbId(layout, &fb_id);
     if (ret < 0) {
-      DLOGE("CreateFbId failed. width %d, height %d, format: %s, stride %u, error %d",
+      DLOGW("CreateFbId failed. width %d, height %d, format: %s, stride %u, error %d",
           layout.width, layout.height, GetFormatString(buf_info.format), layout.stride[0],
           errno);
     } else {