85 ExternalDisplay::ExternalDisplay(hwc_context_t* ctx):mFd(-1),  in ExternalDisplay()
343     if (mFd == -1) {  in openFrameBuffer()
346         mFd = open(strDevPath, O_RDWR);  in openFrameBuffer()
347         if (mFd < 0)  in openFrameBuffer()
349         mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].fd = mFd;  in openFrameBuffer()
351     return (mFd > 0);  in openFrameBuffer()
357     if(mFd >= 0) {  in closeFrameBuffer()
358         ret = close(mFd);  in closeFrameBuffer()
359         mFd = -1;  in closeFrameBuffer()
361     mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].fd = mFd;  in closeFrameBuffer()
498     ret = ioctl(mFd, FBIOGET_VSCREENINFO, &mVInfo);  in setResolution()
533         if (ioctl(mFd, MSMFB_METADATA_SET, &metadata) == -1) {  in setResolution()
539         ret = ioctl(mFd, FBIOPUT_VSCREENINFO, &mVInfo);  in setResolution()