[PATCH] nouveau: Fix alignment requirements on src and dst addresses

2012-06-04 Thread Maarten Lankhorst
Linear copy works by adding the offset to the buffer address, which may end up not being 16-byte aligned. Some tests I've written for prime_pcopy show that the engine allows this correctly, so the restriction on lowest 4 bits of address can be lifted safely. The comments added were by envyas, I t

[PATCH] nouveau: Fix alignment requirements on src and dst addresses

2012-06-04 Thread Maarten Lankhorst
Linear copy works by adding the offset to the buffer address, which may end up not being 16-byte aligned. Some tests I've written for prime_pcopy show that the engine allows this correctly, so the restriction on lowest 4 bits of address can be lifted safely. The comments added were by envyas, I t