This patch is to adjust the absolute doorbell offset against the doorbell id considering the doorbell size of 32/64 bit. v2: - Addressed the review comment from Felix. Cc: Christian Koenig <christian.koenig@xxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxx> Signed-off-by: Arvind Yadav <Arvind.Yadav@xxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 9 ++++++++- 1 file changed, 8 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..c54c4392d26e 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 +407,14 @@ 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. + */ + q->properties.doorbell_off += q->doorbell_id * + dev->kfd->device_info.doorbell_size / 4; + return 0; } -- 2.34.1
