tree f8303643f734dde83eb6aa7f120f7fb225de0c2f
parent a97f294aa6b61aefee4a651248ff2156c7e78d15
author Jordan Crouse <jcrouse@codeaurora.org> 1600959953 -0600
committer Luca Weiss <luca.weiss@fairphone.com> 1626347892 +0200

msm: kgsl: Don't allow re-importing memory owned by KGSL

Don't allow IOCTL_KGSL_MAP_USER_MEM to import user memory that was
already allocated and mapped by KGSL in the first place.  Remapping
memory never makes sense and it messes up reference counting in the
pools.

Change-Id: Ic0dedbade96ac6b30dcbbb794bf57a597f1bb351
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Archana Sriram <apsrir@codeaurora.org>