From b0e9874d2c101dbbc675b6095637ba41e233ae6f Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Fri, 26 Apr 2019 18:59:35 +0800
Subject: drm/amdgpu/mes10.1: initialize the software part of mes ring
Git-commit: 7b2513a16cb6e222dac24c07b35dc99b80965466
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

Do the software initialization on the mes ring.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index 7970107be532..4f7e345673ca 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -308,11 +308,37 @@ static int mes_v10_1_allocate_eop_buf(struct amdgpu_device *adev)
 	return 0;
 }
 
+static int mes_v10_1_ring_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	int r;
+
+	ring = &adev->mes.ring;
+
+	ring->me = 3;
+	ring->pipe = 0;
+	ring->queue = 0;
+
+	ring->ring_obj = NULL;
+	ring->use_doorbell = true;
+	ring->doorbell_index = adev->doorbell_index.mes_ring << 1;
+	ring->eop_gpu_addr = adev->mes.eop_gpu_addr;
+	sprintf(ring->name, "mes_%d.%d.%d", ring->me, ring->pipe, ring->queue);
+
+	r = amdgpu_ring_init(adev, ring, 1024, NULL, 0, AMDGPU_RING_PRIO_DEFAULT);
+	if (r)
+		return r;
+
+	return 0;
+}
+
 static int mes_v10_1_sw_init(void *handle)
 {
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	adev->mes.adev = adev;
+
 	r = mes_v10_1_init_microcode(adev);
 	if (r)
 		return r;
-- 
2.29.2