From: Chunming Zhou <David1.Zhou@amd.com>
Date: Mon, 7 Dec 2015 07:02:52 +0000 (+0800)
Subject: drm/amdgpu: fix the lost duplicates checking
X-Git-Tag: firefly_0821_release~176^2~579^2~1^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e410b5cbabe70b1f1da08146481f6bd7e904643c;p=firefly-linux-kernel-4.4.55.git

drm/amdgpu: fix the lost duplicates checking

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Cc: stable@vger.kernel.org
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index f6ea4b43a60c..9c253c535d26 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -477,6 +477,14 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev,
 		if (domain == AMDGPU_GEM_DOMAIN_CPU)
 			goto error_unreserve;
 	}
+	list_for_each_entry(entry, &duplicates, head) {
+		domain = amdgpu_mem_type_to_domain(entry->bo->mem.mem_type);
+		/* if anything is swapped out don't swap it in here,
+		   just abort and wait for the next CS */
+		if (domain == AMDGPU_GEM_DOMAIN_CPU)
+			goto error_unreserve;
+	}
+
 	r = amdgpu_vm_update_page_directory(adev, bo_va->vm);
 	if (r)
 		goto error_unreserve;