Comment # 18
on bug 83708
from Jack
(In reply to comment #17) > (In reply to comment #16) > > (In reply to comment #15) > > > 1. I do not add cpu_to_le32() first ,but when I trace the messages from > > > printk,the value of msg_type is reversed. > > > > That's in radeon_uvd_cs_msg()? Sounds like the Mesa UVD code writes the > > messages in host byte order, not in little endian. Maybe Christian can > > clarify which byte order should be used for them. > > The hardware supports byte swapping for the message and feedback buffer, but > I think always writing/reading it in little endian will be simpler to get > working. > > The userspace code currently doesn't supports big endian hosts and so will > probably write it in the wrong byte order. I think you are right. The patch I give it it's not the original point.So I have some work to do on userspace, such as mesa. A huge project! By the way, which version of mesa add big endian support.or you have some plans to do it.
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