On 1/6/22 18:49, Matthew Auld wrote:
Purging can happen during swapping out, or directly invoked with the
madvise ioctl. In such cases this doesn't involve a ttm move, which
skips umapping the object.
v2(Thomas):
- add ttm_truncate helper, and just call into i915_ttm_move_notify() to
handle the unmapping step
Fixes: cf3e3e86d779 ("drm/i915: Use ttm mmap handling for ttm bo's.")
Should this Fixes: tag be when we we introduce truncate for the TTM
backend. IIRC that was in a later commit?
Otherwise
Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
/Thomas
