Hey - didn't get a chance to take a look at this today but I will review asap!
On Tue, 2020-04-07 at 12:07 -0400, mikita.lipski@xxxxxxx wrote:
> From: Mikita Lipski <mikita.lipski@xxxxxxx>
>
> Zero Port's PBN together with VCPI slots when releasing
> allocated VCPI slots. That way when disabling the connector
> it will not cause issues in drm_dp_mst_atomic_check verifying
> branch bw limit.
>
> Signed-off-by: Mikita Lipski <mikita.lipski@xxxxxxx>
> ---
> drivers/gpu/drm/drm_dp_mst_topology.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c
> b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 38bf111e5f9b..ed109dd15df6 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -4276,6 +4276,7 @@ int drm_dp_atomic_release_vcpi_slots(struct
> drm_atomic_state *state,
> if (pos->vcpi) {
> drm_dp_mst_put_port_malloc(port);
> pos->vcpi = 0;
> + pos->pbn = 0;
> }
>
> return 0;
--
Cheers,
Lyude Paul (she/her)
Associate Software Engineer at Red Hat
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