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-rw-r--r--common/recipes-kernel/linux/files/0175-drm-amdgpu-validate-duplicates-first.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0175-drm-amdgpu-validate-duplicates-first.patch b/common/recipes-kernel/linux/files/0175-drm-amdgpu-validate-duplicates-first.patch
new file mode 100644
index 00000000..569bbca3
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0175-drm-amdgpu-validate-duplicates-first.patch
@@ -0,0 +1,40 @@
+From 1d360569ca9850df2864c1f7523fc14869d1d7b8 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
+Date: Fri, 10 Jun 2016 18:58:39 +0530
+Subject: [PATCH 0175/1110] drm/amdgpu: validate duplicates first
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Most VM BOs end up in the duplicates list, validate it
+first make -ENOMEM less likely.
+
+Signed-off-by: Christian König <christian.koenig@amd.com>
+Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: kalyan Alle <kalyan.alle@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+index 850f2ab..b7d6438 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+@@ -421,11 +421,11 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
+
+ amdgpu_vm_get_pt_bos(&fpriv->vm, &duplicates);
+
+- r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &p->validated);
++ r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates);
+ if (r)
+ goto error_validate;
+
+- r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates);
++ r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &p->validated);
+
+ error_validate:
+ if (r)
+--
+2.7.4
+