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authorLucas Stach <l.stach@pengutronix.de>2016-12-12 16:15:17 +0100
committerLucas Stach <l.stach@pengutronix.de>2017-01-11 10:38:45 +0100
commit3546fb0cdac25a79c89d87020566fab52b92867d (patch)
treea2e5b1a5ad04f0fd72e9d7ee4d8a3973565eb449 /net/mac802154/driver-ops.h
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
drm/etnaviv: trick drm_mm into giving out a low IOVA
After rollover of the IOVA space, we want to get a low IOVA address, otherwise the the games we play by remembering the last IOVA are pointless. When we search for a free hole with DRM_MM_SEARCH_DEFAULT, drm_mm will pop the next entry from the free holes stack, which will likely be a high IOVA. By using DRM_MM_SEARCH_BELOW we can trick drm_mm into reversing the search and provide us with a low IOVA. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Wladimir van der Laan <laanwj@gmail.com>
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