From: Ben Goz <ben.goz@amd.com>
Date: Mon, 5 Jan 2015 13:48:28 +0000 (+0200)
Subject: drm/amdkfd: unmap VMID<-->PASID when relesing VMID (non-HWS)
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~306^2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2030664b709caa769f2b6a1d2e71d8cb343c6884;p=pandora-kernel.git

drm/amdkfd: unmap VMID<-->PASID when relesing VMID (non-HWS)

This patch fixes a bug where deallocate_vmid() didn't actually unmap the
VMID<-->PASID mapping (in the registers).
That can cause undefined behavior.

This bug only occurs in non-HWS mode.

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---

Reading git-diff-tree failed