This patch is to adjust the absolute doorbell offset
against the doorbell id considering the doorbell
size of 32/64 bit.

Cc: Christian Koenig <christian.koe...@amd.com>
Cc: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Shashank Sharma <shashank.sha...@amd.com>
Signed-off-by: Arvind Yadav <arvind.ya...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 0d3d538b64eb..c327f7f604d7 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -407,7 +407,16 @@ static int allocate_doorbell(struct qcm_process_device 
*qpd,
 
        q->properties.doorbell_off = amdgpu_doorbell_index_on_bar(dev->adev,
                                                                  
qpd->proc_doorbells,
-                                                                 
q->doorbell_id);
+                                                                 0);
+
+       /* Adjust the absolute doorbell offset against the doorbell id 
considering
+        * the doorbell size of 32/64 bit.
+        */
+       if (!KFD_IS_SOC15(dev))
+               q->properties.doorbell_off += q->doorbell_id;
+       else
+               q->properties.doorbell_off += q->doorbell_id * 2;
+
        return 0;
 }
 
-- 
2.34.1

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