On Tue, Feb 24, 2015 at 09:23:55AM +1000, Dave Airlie wrote:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> radeon requires this to get the slots for later filling
> out a table on every transition.
>
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_dp_mst_topology.c | 13 +++++++++++++
> include/drm/drm_dp_mst_helper.h | 2 ++
> 2 files changed, 15 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 9a5b687..0d15e6e 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -2319,6 +2319,19 @@ out:
> }
> EXPORT_SYMBOL(drm_dp_mst_allocate_vcpi);
>
kerneldoc would be great here ;-)
-Daniel
> +int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
> +{
> + int slots = 0;
> + port = drm_dp_get_validated_port_ref(mgr, port);
> + if (!port)
> + return slots;
> +
> + slots = port->vcpi.num_slots;
> + drm_dp_put_port(port);
> + return slots;
> +}
> +EXPORT_SYMBOL(drm_dp_mst_get_vcpi_slots);
> +
> /**
> * drm_dp_mst_reset_vcpi_slots() - Reset number of slots to 0 for VCPI
> * @mgr: manager for this port
> diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
> index 00c1da9..a250781 100644
> --- a/include/drm/drm_dp_mst_helper.h
> +++ b/include/drm/drm_dp_mst_helper.h
> @@ -486,6 +486,8 @@ int drm_dp_calc_pbn_mode(int clock, int bpp);
>
> bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, int pbn, int *slots);
>
> +int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
> +
>
> void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
>
> --
> 2.1.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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