On Wed, Sep 24, 2014 at 03:41:08PM +0200, Michał Winiarski wrote: > Reading timestamp register using I915_READ64 returns incorrect value. > Unfortunately, that's how I915_REG_READ ioctl is handling it on x86_64, > resulting in different counter size (we can only get 32 usable bits on > x86_64 vs 36 bits on x86). > Propose new sysfs interface for accessing full 36 bits of timestamp in > architecture independent way (using two consecutive reads). I've seen lots of patches to avoid fixing the register read. Why? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
