From: Christian König <christian.koenig@amd.com>
Date: Wed, 31 Aug 2016 15:28:11 +0000 (+0200)
Subject: drm/amdgpu: only try again if we actually run into -ENOMEM
X-Git-Tag: v4.9.8~1110^2~28^2~95
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1abdc3d73dd9dc2f3dc619d466d378e70cbcc24a;p=platform%2Fkernel%2Flinux-rpi3.git

drm/amdgpu: only try again if we actually run into -ENOMEM

All other errors can't be fixed by using a different memory domain.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 8292757..d7a9573 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -371,11 +371,9 @@ retry:
 	p->bytes_moved += atomic64_read(&bo->adev->num_bytes_moved) -
 		initial_bytes_moved;
 
-	if (unlikely(r)) {
-		if (r != -ERESTARTSYS && domain != bo->allowed_domains) {
-			domain = bo->allowed_domains;
-			goto retry;
-		}
+	if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
+		domain = bo->allowed_domains;
+		goto retry;
 	}
 
 	return r;