From: Christian König <christian.koenig@amd.com>
Date: Fri, 24 Nov 2017 10:39:30 +0000 (+0100)
Subject: drm/amdgpu: don't try to move pinned BOs
X-Git-Tag: v4.14.17~58
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=575c548137f8b397b5e32c66a972c5f0ebcc1cd2;p=platform%2Fkernel%2Flinux-rpi.git

drm/amdgpu: don't try to move pinned BOs


[ Upstream commit 6edc6910ba4cd6eab309263539c8f09b8ad772bf ]

Never try to move pinned BOs during CS.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 60d8bed..b5aa8e6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -403,6 +403,10 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
 		if (candidate->robj == validated)
 			break;
 
+		/* We can't move pinned BOs here */
+		if (bo->pin_count)
+			continue;
+
 		other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
 
 		/* Check if this BO is in one of the domains we need space for */