From 47659738fbd2f06730635a487605002ea9b11f3d Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Fri, 19 Nov 2021 15:35:30 +0800
Subject: drm/amdgpu: allocate doorbell index for multi-die case

Allocate different doorbell index for kiq/kcq rings
on each die

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index c83fb4277233..465ad0b7cddb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -316,6 +316,11 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
 	ring->doorbell_index = adev->doorbell_index.kiq;
 	ring->xcc_id = xcc_id;
 	ring->vm_hub = AMDGPU_GFXHUB_0;
+	if (xcc_id >= 1)
+		ring->doorbell_index = adev->doorbell_index.xcc1_kiq_start +
+					xcc_id - 1;
+	else
+		ring->doorbell_index = adev->doorbell_index.kiq;
 
 	r = amdgpu_gfx_kiq_acquire(adev, ring, xcc_id);
 	if (r)
-- 
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