1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2216-drm-amdgpu-Add-new-ring-interface-preempt_ib.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2216-drm-amdgpu-Add-new-ring-interface-preempt_ib.patch
new file mode 100644
index 00000000..1939144f
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2216-drm-amdgpu-Add-new-ring-interface-preempt_ib.patch
@@ -0,0 +1,38 @@
+From 11b83bc3da41b78b7b0dd956dda781c1bdd0fb17 Mon Sep 17 00:00:00 2001
+From: Rex Zhu <Rex.Zhu@amd.com>
+Date: Wed, 31 Oct 2018 20:21:55 +0800
+Subject: [PATCH 2216/2940] drm/amdgpu: Add new ring interface preempt_ib
+
+Used to trigger preemtption
+
+Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
+Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
+Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+index 0f497fa213aa..529ba1bdda55 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+@@ -172,6 +172,7 @@ struct amdgpu_ring_funcs {
+ 			      enum drm_sched_priority priority);
+ 	/* Try to soft recover the ring to make the fence signal */
+ 	void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
++	int (*preempt_ib)(struct amdgpu_ring *ring);
+ };
+ 
+ struct amdgpu_ring {
+@@ -250,6 +251,7 @@ struct amdgpu_ring {
+ #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
+ #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
+ #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
++#define amdgpu_ring_preempt_ib(r) (r)->funcs->preempt_ib(r)
+ 
+ int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
+ void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
+-- 
+2.17.1
+