From: Harry Wentland <hwentlan@amd.com>
To: "Francis, David" <David.Francis@amd.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH v8 4/6] drm/dp_mst: Fill branch->num_ports
Date: Mon, 26 Aug 2019 18:44:10 +0000 [thread overview]
Message-ID: <620679cc-5e70-3384-f0ed-a7c9b2065ab1@amd.com> (raw)
In-Reply-To: <20190826180507.17802-5-David.Francis@amd.com>
On 2019-08-26 2:05 p.m., David Francis wrote:
> This field on drm_dp_mst_branch was never filled
>
> It is initialized to zero when the port is kzallocced.
> When a port is added to the list, increment num_ports,
> and when a port is removed from the list, decrement num_ports.
>
> v2: remember to decrement on port removal
> v3: don't explicitly init to 0
>
> Signed-off-by: David Francis <David.Francis@amd.com>
> Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Harry
> ---
> drivers/gpu/drm/drm_dp_mst_topology.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
> index 9f3604355705..502923c24450 100644
> --- a/drivers/gpu/drm/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c
> @@ -1669,6 +1669,7 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb,
> mutex_lock(&mstb->mgr->lock);
> drm_dp_mst_topology_get_port(port);
> list_add(&port->next, &mstb->ports);
> + mstb->num_ports++;
> mutex_unlock(&mstb->mgr->lock);
> }
>
> @@ -1703,6 +1704,7 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb,
> /* remove it from the port list */
> mutex_lock(&mstb->mgr->lock);
> list_del(&port->next);
> + mstb->num_ports--;
> mutex_unlock(&mstb->mgr->lock);
> /* drop port list reference */
> drm_dp_mst_topology_put_port(port);
>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2019-08-26 18:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-26 18:05 [PATCH v8 0/6] DSC MST support in DRM David Francis
2019-08-26 18:05 ` [PATCH v8 1/6] drm/dp_mst: Add PBN calculation for DSC modes David Francis
2019-08-26 18:36 ` Harry Wentland
2019-08-26 18:05 ` [PATCH v8 2/6] drm/dp_mst: Parse FEC capability on MST ports David Francis
2019-08-26 18:36 ` Harry Wentland
2019-08-26 18:05 ` [PATCH v8 3/6] drm/dp_mst: Add MST support to DP DPCD R/W functions David Francis
2019-08-26 18:41 ` Harry Wentland
2019-08-26 18:05 ` [PATCH v8 4/6] drm/dp_mst: Fill branch->num_ports David Francis
2019-08-26 18:44 ` Harry Wentland [this message]
2019-08-26 18:05 ` [PATCH v8 5/6] drm/dp_mst: Add new quirk for Synaptics MST hubs David Francis
2019-08-26 19:05 ` Harry Wentland
2019-08-26 19:14 ` Francis, David
2019-08-26 20:52 ` Harry Wentland
2019-08-27 7:21 ` Jani Nikula
2019-08-26 18:05 ` [PATCH v8 6/6] drm/dp_mst: Add helpers for MST DSC and virtual DPCD aux David Francis
2019-08-26 19:16 ` Francis, David
2019-08-26 20:27 ` Lyude Paul
2019-08-26 20:51 ` Harry Wentland
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=620679cc-5e70-3384-f0ed-a7c9b2065ab1@amd.com \
--to=hwentlan@amd.com \
--cc=David.Francis@amd.com \
--cc=dri-devel@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.