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Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0827-Adaption-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_page.patch')
-rw-r--r--meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0827-Adaption-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_page.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0827-Adaption-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_page.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0827-Adaption-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_page.patch
new file mode 100644
index 00000000..9a0972f2
--- /dev/null
+++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0827-Adaption-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_page.patch
@@ -0,0 +1,30 @@
+From 82f0617058cea10448daf9d1797aff83854d2201 Mon Sep 17 00:00:00 2001
+From: Yong Zhao <yong.zhao@amd.com>
+Date: Mon, 4 Apr 2016 19:14:20 -0400
+Subject: [PATCH 0827/4131] Adaption drm/amdgpu: Make
+ amdgpu_ttm_tt_get_user_pages work in kernel thread
+
+Change-Id: If43cf709ad22bae24979940b17226e903af20f54
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+index 834b8fb..48e1ca2 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+@@ -1057,7 +1057,10 @@ struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm)
+ if (gtt == NULL)
+ return NULL;
+
+- return gtt->usermm;
++ if (gtt->usertask == NULL)
++ return NULL;
++
++ return gtt->usertask->mm;
+ }
+
+ bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start,
+--
+2.7.4
+