From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Tue, 24 Mar 2020 20:37:01 +0000 (-0400)
Subject: drm/amdgpu: Add new ring callback to insert memory sync
X-Git-Tag: baikal/mips/sdk5.9~13559^2~8^2~3
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=317b3d0cee88c05fc2fd33276d0eee6d1685311a;p=kernel.git

drm/amdgpu: Add new ring callback to insert memory sync

Used to flush and invalidate various caches.

v2: Rename function hook

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 107e800635532..be218754629ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -195,6 +195,7 @@ struct amdgpu_ring_funcs {
 	/* 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);
+	void (*emit_mem_sync)(struct amdgpu_ring *ring);
 };
 
 struct amdgpu_ring {