On 28.12.2012 22:48, Thierry Reding wrote: > I disagree. We shouldn't be hiding this kind of detail behind an #ifdef. > Instead it should be detected at runtime. Otherwise you'll need to build > different versions of libdrm for every generation of Tegra. That may be > fine for NVIDIA provided BSPs, but distributions would have a very hard > time dealing with that. What we want is software that works unmodified > on as many generations of Tegra as possible. I agree. The fences will be rejected by kernel and kernel knows about number of sync points in each host1x revision. So, we could just submit and look at return code. Terje -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html