1 files changed, 105 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3897-drm-amdgpu-vm-fix-up-documentation-in-amdgpu_vm.c.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3897-drm-amdgpu-vm-fix-up-documentation-in-amdgpu_vm.c.patch
new file mode 100644
index 00000000..592abf39
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3897-drm-amdgpu-vm-fix-up-documentation-in-amdgpu_vm.c.patch
@@ -0,0 +1,105 @@
+From 889793dccbdf347f585d85d3e375d85d2b314690 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Thu, 19 Sep 2019 14:39:08 -0500
+Subject: [PATCH 3897/4256] drm/amdgpu/vm: fix up documentation in amdgpu_vm.c
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Missing parameters, wrong comment type, etc.
+
+Acked-by: Christian König <christian.koenig@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 ++++++++++-------
+ 1 file changed, 10 insertions(+), 7 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+index 91b11c765921..8566f6b0729a 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+@@ -342,7 +342,7 @@ static struct amdgpu_vm_pt *amdgpu_vm_pt_parent(struct amdgpu_vm_pt *pt)
+ 	return container_of(parent->vm_bo, struct amdgpu_vm_pt, base);
+ }
+ 
+-/**
++/*
+  * amdgpu_vm_pt_cursor - state for for_each_amdgpu_vm_pt
+  */
+ struct amdgpu_vm_pt_cursor {
+@@ -483,6 +483,7 @@ static void amdgpu_vm_pt_next(struct amdgpu_device *adev,
+  *
+  * @adev: amdgpu_device structure
+  * @vm: amdgpu_vm structure
++ * @start: optional cursor to start with
+  * @cursor: state to initialize
+  *
+  * Starts a deep first traversal of the PD/PT tree.
+@@ -536,7 +537,7 @@ static void amdgpu_vm_pt_next_dfs(struct amdgpu_device *adev,
+ 		amdgpu_vm_pt_ancestor(cursor);
+ }
+ 
+-/**
++/*
+  * for_each_amdgpu_vm_pt_dfs_safe - safe deep first search of all PDs/PTs
+  */
+ #define for_each_amdgpu_vm_pt_dfs_safe(adev, vm, start, cursor, entry)		\
+@@ -854,6 +855,7 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+  * @adev: amdgpu_device pointer
+  * @vm: VM to allocate page tables for
+  * @cursor: Which page table to allocate
++ * @direct: use a direct update
+  *
+  * Make sure a specific page table or directory is allocated.
+  *
+@@ -1193,10 +1195,10 @@ uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr)
+ 	return result;
+ }
+ 
+-/*
++/**
+  * amdgpu_vm_update_pde - update a single level in the hierarchy
+  *
+- * @param: parameters for the update
++ * @params: parameters for the update
+  * @vm: requested vm
+  * @entry: entry to update
+  *
+@@ -1220,7 +1222,7 @@ static int amdgpu_vm_update_pde(struct amdgpu_vm_update_params *params,
+ 	return vm->update_funcs->update(params, bo, pde, pt, 1, 0, flags);
+ }
+ 
+-/*
++/**
+  * amdgpu_vm_invalidate_pds - mark all PDs as invalid
+  *
+  * @adev: amdgpu_device pointer
+@@ -1239,7 +1241,7 @@ static void amdgpu_vm_invalidate_pds(struct amdgpu_device *adev,
+ 			amdgpu_vm_bo_relocated(&entry->base);
+ }
+ 
+-/*
++/**
+  * amdgpu_vm_update_pdes - make sure that all directories are valid
+  *
+  * @adev: amdgpu_device pointer
+@@ -1291,7 +1293,7 @@ int amdgpu_vm_update_pdes(struct amdgpu_device *adev,
+ 	return r;
+ }
+ 
+-/**
++/*
+  * amdgpu_vm_update_flags - figure out flags for PTE updates
+  *
+  * Make sure to set the right flags for the PTEs at the desired level.
+@@ -2815,6 +2817,7 @@ static int amdgpu_vm_check_clean_reserved(struct amdgpu_device *adev,
+  *
+  * @adev: amdgpu_device pointer
+  * @vm: requested vm
++ * @pasid: pasid to use
+  *
+  * This only works on GFX VMs that don't have any BOs added and no
+  * page tables allocated yet.
+-- 
+2.17.1
+