1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0364-drm-amdgpu-allow-fragment-processing-for-invalid-PTE.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0364-drm-amdgpu-allow-fragment-processing-for-invalid-PTE.patch
new file mode 100644
index 00000000..c178c9e7
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0364-drm-amdgpu-allow-fragment-processing-for-invalid-PTE.patch
@@ -0,0 +1,35 @@
+From bda306615bfd9a1a875646191a32550ac0a1634e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
+Date: Fri, 7 Sep 2018 20:34:17 +0200
+Subject: [PATCH 0364/2940] drm/amdgpu: allow fragment processing for invalid
+ PTEs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+That should improve the PRT performance on Vega quite a bit.
+
+Signed-off-by: Christian König <christian.koenig@amd.com>
+Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
+Reviewed-by: Huang Rui <ray.huang@amd.com>
+Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+index fac7760a3eda..e6ae59aa8d3c 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+@@ -1547,7 +1547,7 @@ static void amdgpu_vm_fragment(struct amdgpu_pte_update_params *params,
+ 		max_frag = 31;
+ 
+ 	/* system pages are non continuously */
+-	if (params->src || !(flags & AMDGPU_PTE_VALID)) {
++	if (params->src) {
+ 		*frag = 0;
+ 		*frag_end = end;
+ 		return;
+-- 
+2.17.1
+