From: Daniel Vetter <daniel@ffwll.ch>
To: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 01/10] drm/dp_mst: add a function to retrieve vcpi slots
Date: Tue, 24 Feb 2015 11:08:30 +0100 [thread overview]
Message-ID: <20150224100830.GO24485@phenom.ffwll.local> (raw)
In-Reply-To: <1424733844-20185-2-git-send-email-airlied@gmail.com>
On Tue, Feb 24, 2015 at 09:23:55AM +1000, Dave Airlie wrote:
> From: Dave Airlie <airlied@redhat.com>
>
> radeon requires this to get the slots for later filling
> out a table on every transition.
>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
> ---
> 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
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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next prev parent reply other threads:[~2015-02-24 10:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-23 23:23 [RFC] radeon MST support - initial pieces Dave Airlie
2015-02-23 23:23 ` [PATCH 01/10] drm/dp_mst: add a function to retrieve vcpi slots Dave Airlie
2015-02-24 10:08 ` Daniel Vetter [this message]
2015-02-23 23:23 ` [PATCH 02/10] radeon: introduce a dp_work handler Dave Airlie
2015-02-23 23:23 ` [PATCH 03/10] radeon/evergreen: add support for short HPD irqs Dave Airlie
2015-02-23 23:23 ` [PATCH 04/10] radeon/si: " Dave Airlie
2015-02-23 23:23 ` [PATCH 05/10] radeon/fb: add wrapper functions around fb connector add/remove Dave Airlie
2015-02-23 23:24 ` [PATCH 06/10] drm/radeon: add some MST registers Dave Airlie
2015-02-23 23:24 ` [PATCH 07/10] drm/radeon: add new atombios encoder/transmitter interfaces Dave Airlie
2015-02-23 23:24 ` [PATCH 08/10] drm/radeon: export max link rate calculation Dave Airlie
2015-02-23 23:24 ` [PATCH 09/10] drm/radeon: improve encoder picking functions Dave Airlie
2015-02-23 23:24 ` [PATCH 10/10] drm/radeon: add DisplayPort MST support Dave Airlie
2015-02-24 20:00 ` [RFC] radeon MST support - initial pieces Alex Deucher
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