On Fri, 2009-06-12 at 09:23 +0200, Michel Dänzer wrote: > The DRM_IOCTL_MODESET_CTL ioctl has nothing to do with GEM. It probably > shouldn't be called with KMS, but maybe i830_modeset_ctl() won't be > called in that case anyway.
The only kernel API the intel driver supports now is GEM, so 'have_gem' is really the same as 'have kernel support'. If you're using user mode setting, I think you need to call this ioctl whenever changing modes to make sure vblank counts are correct, so that any vblank-using APIs within the X server work right. -- keith.pack...@intel.com
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