[PATCH 04/19] drm/amdkfd: Fix allocated_queues bitmap initialization

[Oded Gabbay]

On Sat, Aug 12, 2017 at 12:56 AM, Felix Kuehling <Felix.Kuehling at amd.com> wrote:
> Use shared_resources.queue_bitmap to determine the queues available
> for KFD in each pipe.
>
> Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
>
> 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 42de22b..9d2796b 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> @@ -513,7 +513,7 @@ static int init_scheduler(struct device_queue_manager *dqm)
>
>  static int initialize_nocpsch(struct device_queue_manager *dqm)
>  {
> -       int i;
> +       int pipe, queue;
>
>         BUG_ON(!dqm);
>
> @@ -531,8 +531,14 @@ static int initialize_nocpsch(struct device_queue_manager *dqm)
>                 return -ENOMEM;
>         }
>
> -       for (i = 0; i < get_pipes_per_mec(dqm); i++)
> -               dqm->allocated_queues[i] = (1 << get_queues_per_pipe(dqm)) - 1;
> +       for (pipe = 0; pipe < get_pipes_per_mec(dqm); pipe++) {
> +               int pipe_offset = pipe * get_queues_per_pipe(dqm);
> +
> +               for (queue = 0; queue < get_queues_per_pipe(dqm); queue++)
> +                       if (test_bit(pipe_offset + queue,
> +                                    dqm->dev->shared_resources.queue_bitmap))
> +                               dqm->allocated_queues[pipe] |= 1 << queue;
> +       }
>
>         dqm->vmid_bitmap = (1 << VMID_PER_DEVICE) - 1;
>         dqm->sdma_bitmap = (1 << CIK_SDMA_QUEUES) - 1;
> --
> 2.7.4
>

This patch is:
Reviewed-by: Oded Gabbay <oded.gabbay at gmail.com>