From: Dave A. <ai...@li...> - 2008-03-06 03:29:23
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> So, over to the somewhat different problem I was referring to, namely > potential buffer eviction on vt switch where the X server run > drm_bo_lock_mm(), and will evict any fb scanout BOs. Only the fb layer > doesn't really notice as long as the BOs sit in VRAM... Yes I get around this currently by not having the X server call it on modesetting systems. Clearly I need a better answer which may be that we ignore it in the kernel, unless it comes from a control node process.. when does locking the mm make actual sense? just VT switching? Dave. |