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(parent: b333bc7) | patch
i965: Always allow CPU readback of the scanout on LLC platforms
authorChris Wilson <chris@chris-wilson.co.uk>
Sat, 5 Aug 2017 09:39:59 +0000 (10:39 +0100)
committerKenneth Graunke <kenneth@whitecape.org>
Wed, 16 Aug 2017 19:25:02 +0000 (12:25 -0700)
commit49eda75df6aafdf5d2ffe5d9247b516ac7d14691
treefdff69ec7cf7427ce54f8b6300286c48e4349ed9tree
parentb333bc753e2dd1ed1a676606046a4289e7d58187commit | diff
i965: Always allow CPU readback of the scanout on LLC platforms

LLC platforms are magic in that reads from the CPU are always cache
coherent, or rather GPU writes that bypass LLC do still invalidate the
appropriate cache line.

Cc: "17.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
src/mesa/drivers/dri/i965/brw_bufmgr.c diff | blob | history