This patch is to adjust the absolute doorbell offset against the doorbell id considering the doorbell size of 32/64 bit.
Cc: Christian Koenig <[email protected]> Cc: Alex Deucher <[email protected]> Signed-off-by: Shashank Sharma <[email protected]> Signed-off-by: Arvind Yadav <[email protected]> --- 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
