1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0775-drm-amdgpu-unbind-gart-when-release-direct-gma-impor.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0775-drm-amdgpu-unbind-gart-when-release-direct-gma-impor.patch
new file mode 100644
index 00000000..4ad56d5e
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0775-drm-amdgpu-unbind-gart-when-release-direct-gma-impor.patch
@@ -0,0 +1,38 @@
+From 6da582186f8551f9974719c05532dced9c59c5f7 Mon Sep 17 00:00:00 2001
+From: Chaudhary Amit Kumar <chaudharyamit.kumar@amd.com>
+Date: Wed, 17 Oct 2018 16:33:15 +0530
+Subject: [PATCH 0775/4131] drm/amdgpu: unbind gart when release direct gma
+ imported bo
+
+Change-Id: Ie8db112202ad2b11a5ec1294dc9b4163eaa0a542
+Signed-off-by: Flora Cui <Flora.Cui@amd.com>
+Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
+
+Signed-off-by: Chaudhary Amit Kumar <chaudharyamit.kumar@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+index 4a57461..1cee845 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+@@ -41,9 +41,15 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
+ {
+ 	struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
+ 	struct amdgpu_bo *bo;
++	u64 offset;
+ 
+ 	bo = container_of(tbo, struct amdgpu_bo, tbo);
+ 
++	if (bo->tbo.mem.mem_type == AMDGPU_PL_DGMA_IMPORT) {
++		offset = amdgpu_bo_gpu_offset(bo);
++		offset -= adev->mman.bdev.man[TTM_PL_TT].gpu_offset;
++		amdgpu_gart_unbind(adev, offset, bo->tbo.num_pages);
++	}
+ 	amdgpu_bo_kunmap(bo);
+ 
+ 	if (bo->gem_base.import_attach)
+-- 
+2.7.4
+