From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Nicolas Boichat <drinkcat@chromium.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@linux.ie>,
linux-kernel <linux-kernel@vger.kernel.org>,
DRI Development <dri-devel@lists.freedesktop.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Daniel Vetter <daniel@ffwll.ch>,
Hsin-Yi Wang <hsinyi@chromium.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Collabora Kernel ML <kernel@collabora.com>,
Sam Ravnborg <sam@ravnborg.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RESEND PATCH v4 7/7] drm/mediatek: mtk_dsi: Create connector for bridges
Date: Sun, 5 Jul 2020 08:15:21 +0800 [thread overview]
Message-ID: <CAAOTY_9i-ForE-kWfdi5A9QNRT2JjrFwAPYk25KupQeWwFDVSg@mail.gmail.com> (raw)
In-Reply-To: <20200615203108.786083-8-enric.balletbo@collabora.com>
Hi, Enric:
Enric Balletbo i Serra <enric.balletbo@collabora.com> 於 2020年6月16日 週二 上午4:31寫道:
>
> Use the drm_bridge_connector helper to create a connector for pipelines
> that use drm_bridge. This allows splitting connector operations across
> multiple bridges when necessary, instead of having the last bridge in
> the chain creating the connector and handling all connector operations
> internally.
Applied to mediatek-drm-next [1], thanks.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> Acked-by: Sam Ravnborg <sam@ravnborg.org>
> ---
>
> Changes in v4: None
> Changes in v3:
> - Move the bridge.type line to the patch that adds drm_bridge support. (Laurent Pinchart)
>
> Changes in v2: None
>
> drivers/gpu/drm/mediatek/mtk_dsi.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 4f3bd095c1eee..471fcafdf3488 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -17,6 +17,7 @@
>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_bridge.h>
> +#include <drm/drm_bridge_connector.h>
> #include <drm/drm_mipi_dsi.h>
> #include <drm/drm_of.h>
> #include <drm/drm_panel.h>
> @@ -183,6 +184,7 @@ struct mtk_dsi {
> struct drm_encoder encoder;
> struct drm_bridge bridge;
> struct drm_bridge *next_bridge;
> + struct drm_connector *connector;
> struct phy *phy;
>
> void __iomem *regs;
> @@ -977,10 +979,19 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
> */
> dsi->encoder.possible_crtcs = 1;
>
> - ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, 0);
> + ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL,
> + DRM_BRIDGE_ATTACH_NO_CONNECTOR);
> if (ret)
> goto err_cleanup_encoder;
>
> + dsi->connector = drm_bridge_connector_init(drm, &dsi->encoder);
> + if (IS_ERR(dsi->connector)) {
> + DRM_ERROR("Unable to create bridge connector\n");
> + ret = PTR_ERR(dsi->connector);
> + goto err_cleanup_encoder;
> + }
> + drm_connector_attach_encoder(dsi->connector, &dsi->encoder);
> +
> return 0;
>
> err_cleanup_encoder:
> --
> 2.27.0
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-07-05 0:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 20:31 [RESEND PATCH v4 0/7] Convert mtk-dsi to drm_bridge API and get EDID for ps8640 bridge Enric Balletbo i Serra
2020-06-15 20:31 ` [RESEND PATCH v4 3/7] drm/mediatek: mtk_dsi: Rename bridge to next_bridge Enric Balletbo i Serra
2020-07-04 23:20 ` Chun-Kuang Hu
2020-06-15 20:31 ` [RESEND PATCH v4 4/7] drm/mediatek: mtk_dsi: Convert to bridge driver Enric Balletbo i Serra
2020-07-04 23:34 ` Chun-Kuang Hu
2020-06-15 20:31 ` [RESEND PATCH v4 5/7] drm/mediatek: mtk_dsi: Use simple encoder Enric Balletbo i Serra
2020-07-04 23:42 ` Chun-Kuang Hu
2020-06-15 20:31 ` [RESEND PATCH v4 6/7] drm/mediatek: mtk_dsi: Use the drm_panel_bridge API Enric Balletbo i Serra
2020-07-04 23:57 ` Chun-Kuang Hu
2020-06-15 20:31 ` [RESEND PATCH v4 7/7] drm/mediatek: mtk_dsi: Create connector for bridges Enric Balletbo i Serra
2020-07-05 0:15 ` Chun-Kuang Hu [this message]
[not found] ` <20200620213302.GC74146@ravnborg.org>
2020-06-30 14:33 ` [RESEND PATCH v4 0/7] Convert mtk-dsi to drm_bridge API and get EDID for ps8640 bridge Enric Balletbo i Serra
2020-06-30 16:26 ` Chun-Kuang Hu
2020-06-30 21:02 ` Enric Balletbo i Serra
2020-06-30 23:02 ` Chun-Kuang Hu
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=CAAOTY_9i-ForE-kWfdi5A9QNRT2JjrFwAPYk25KupQeWwFDVSg@mail.gmail.com \
--to=chunkuang.hu@kernel.org \
--cc=airlied@linux.ie \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=drinkcat@chromium.org \
--cc=enric.balletbo@collabora.com \
--cc=hsinyi@chromium.org \
--cc=kernel@collabora.com \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=p.zabel@pengutronix.de \
--cc=sam@ravnborg.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).