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(parent: 0db1d49) | patch
drm/i915/userptr: Don't mark readonly objects as dirty
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 9 Jul 2019 08:17:18 +0000 (09:17 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 9 Jul 2019 17:54:19 +0000 (18:54 +0100)
commitd2ddbb6f622a3ddc444edfbf92a8ced3581221b6
tree809aa137db3741d76ab473689f4c919bc4618103tree | snapshot
parent0db1d49242895890f09b6eafae69d8c8393318b8commit | diff
drm/i915/userptr: Don't mark readonly objects as dirty

If we map an object as readonly into the GTT, we know that the GPU
cannot have written to it and so the object is not dirty and we don't
need to flush the writes back to the system.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190709081718.27843-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/gem/i915_gem_userptr.c diff | blob | history
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