pkgs/xorg-x11-drv-intel/patches/intel-2.11-no-pageflipping.patch

   1 diff -up xf86-video-intel-2.11.0/src/drmmode_display.c.no-flip xf86-video-intel-2.11.0/src/drmmode_display.c
   2 --- xf86-video-intel-2.11.0/src/drmmode_display.c.no-flip       2010-05-03 15:30:19.000000000 -0400
   3 +++ xf86-video-intel-2.11.0/src/drmmode_display.c       2010-05-03 15:30:59.000000000 -0400
   4 @@ -1504,10 +1504,15 @@ Bool drmmode_pre_init(ScrnInfoPtr scrn,
   5         gp.value = &has_flipping;
   6         (void)drmCommandWriteRead(intel->drmSubFD, DRM_I915_GETPARAM, &gp,
   7                                   sizeof(gp));
   8 +
   9 +        xf86DrvMsg(scrn->scrnIndex, X_INFO,
  10 +                   "Pageflipping %s in kernel, %s disabled in X\n",
  11 +                   has_flipping ? "enabled" : "disabled",
  12 +                   has_flipping ? "but" : "and");
  13         if (has_flipping) {
  14                 xf86DrvMsg(scrn->scrnIndex, X_INFO,
  15 -                          "Kernel page flipping support detected, enabling\n");
  16 -               intel->use_pageflipping = TRUE;
  17 +                          "Don't panic: https://bugzilla.redhat.com/588421\n");
  18 +               intel->use_pageflipping = FALSE;
  19                 drmmode->flip_count = 0;
  20                 drmmode->event_context.version = DRM_EVENT_CONTEXT_VERSION;
  21                 drmmode->event_context.vblank_handler = drmmode_vblank_handler;
  22 diff -up xf86-video-intel-2.11.0/src/i830_dri.c.no-flip xf86-video-intel-2.11.0/src/i830_dri.c
  23 --- xf86-video-intel-2.11.0/src/i830_dri.c.no-flip      2010-03-29 14:23:02.000000000 -0400
  24 +++ xf86-video-intel-2.11.0/src/i830_dri.c      2010-05-03 15:30:19.000000000 -0400
  25 @@ -1013,7 +1013,7 @@ Bool I830DRI2ScreenInit(ScreenPtr screen
  26
  27         info.CopyRegion = I830DRI2CopyRegion;
  28  #if DRI2INFOREC_VERSION >= 4
  29 -       if (intel->use_pageflipping) {
  30 +       if (intel->use_pageflipping || 1) {
  31             info.version = 4;
  32             info.ScheduleSwap = I830DRI2ScheduleSwap;
  33             info.GetMSC = I830DRI2GetMSC;