add a small ipkg upgrade plugin

[enigma2.git] / lib / gdi / fb.cpp

diff --git a/lib/gdi/fb.cpp b/lib/gdi/fb.cpp
index 4a801bfedcaaf539e9fadd341389c5d16e842e88..c8fd94be286567f4946825d69a5ed915bb20a278 100644 (file)
--- a/lib/gdi/fb.cpp
+++ b/lib/gdi/fb.cpp
@@ -94,12 +94,24 @@ int fbClass::SetMode(unsigned int nxRes, unsigned int nyRes, unsigned int nbpp)
        screeninfo.width=0;
        screeninfo.xoffset=screeninfo.yoffset=0;
        screeninfo.bits_per_pixel=nbpp;
+       
        if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
        {
-               perror("FBIOPUT_VSCREENINFO");
-               printf("fb failed\n");
-               return -1;
-       }
+               // try single buffering
+               screeninfo.yres_virtual=screeninfo.yres=nyRes;
+               
+               if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
+               {
+                       perror("FBIOPUT_VSCREENINFO");
+                       printf("fb failed\n");
+                       return -1;
+               }
+               eDebug(" - double buffering not available.");
+       } else
+               eDebug(" - double buffering available!");
+       
+       m_number_of_pages = screeninfo.yres_virtual / nyRes;
+       
        if ((screeninfo.xres!=nxRes) && (screeninfo.yres!=nyRes) && (screeninfo.bits_per_pixel!=nbpp))
        {
                eDebug("SetMode failed: wanted: %dx%dx%d, got %dx%dx%d",