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Message-ID: <2989c044-8134-bb7c-a7e0-c518334bf4a6@baylibre.com>
Date: Mon, 9 Dec 2019 11:39:07 +0100
From: Neil Armstrong <narmstrong@...libre.com>
To: Mihail Atanassov <Mihail.Atanassov@....com>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Cc: Martyn Welch <martyn.welch@...labora.co.uk>,
David Airlie <airlied@...ux.ie>,
Peter Senna Tschudin <peter.senna@...il.com>,
Russell King <linux@...linux.org.uk>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Boris Brezillon <boris.brezillon@...labora.com>,
Sam Ravnborg <sam@...nborg.org>,
Jerome Brunet <jbrunet@...libre.com>,
"linux-renesas-soc@...r.kernel.org"
<linux-renesas-soc@...r.kernel.org>,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>,
Vincent Abriou <vincent.abriou@...com>,
Martin Donnelly <martin.donnelly@...com>,
Krzysztof Kozlowski <krzk@...nel.org>,
Vasily Khoruzhick <anarsoul@...il.com>,
Kukjin Kim <kgene@...nel.org>, Icenowy Zheng <icenowy@...c.io>,
Jonas Karlman <jonas@...boo.se>,
"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
Brian Masney <masneyb@...tation.org>,
"linux-mediatek@...ts.infradead.org"
<linux-mediatek@...ts.infradead.org>,
Matthias Brugger <matthias.bgg@...il.com>, nd <nd@....com>,
Sean Paul <sean@...rly.run>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Douglas Anderson <dianders@...omium.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
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Kyungmin Park <kyungmin.park@...sung.com>,
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Torsten Duwe <duwe@....de>,
Dariusz Marcinkiewicz <darekm@...gle.com>,
"freedreno@...ts.freedesktop.org" <freedreno@...ts.freedesktop.org>
Subject: Re: [PATCH v2 00/28] drm/bridge: Consolidate initialization
Hi Mihail,
On 04/12/2019 12:48, Mihail Atanassov wrote:
> Hi all,
>
> I've dropped the fun parts of this series since they need more work, but
> figured drm_bridge_init() as a concept is still valuable on its own (and
> I think I'll need it to roll out device links for registered bridges),
> so here goes.
>
> v2:
> - expanded commit messages and added some extra bridge-related
> documentation (Daniel)
> - dropped v1 patches 29 and 30: 29 needs more work, and 30 depends on
> it
> - added all remaining drm_bridge implementers, found by searching for
> drm_bridge_funcs which is mandatory for any bridge; new uses in
> patches 3, 27, and 28 (Sam)
> - due to the above, I've decided to squash all analogix changes into
> one patch
>
> ---
> v1 [https://patchwork.freedesktop.org/series/70039/] cover text below:
>
> This series adds device links support to drm_bridge. The motivation
> behind it is that a drm_bridge in a module could get removed under the
> feet of the bridge user without warning, so we need a way to remove and
> reprobe the client as needed to avoid peering into the void.
>
> 1: Add a drm_bridge_init() function which wraps all initialisation of
> the structure prior to calling drm_bridge_add().
>
> 2-26,28: Apply the drm_bridge_init() refactor to every bridge that uses
> drm_bridge_add().
>
> 27: Minor cleanup in rcar-du.
>
> 29: Add of_drm_find_bridge_devlink() which functions the same as
> of_drm_find_bridge() plus adds a device device link from the owning
> drm_device to the bridge device.
>
> 30: As a motivating example, convert komeda to exclusively use
> drm_bridge for its pipe outputs; this isn't a regression in usability
> any more since device links bring the same automatic remove/reprobe
> feature as components.
>
> Mihail Atanassov (28):
> drm: Introduce drm_bridge_init()
> drm/bridge: adv7511: Use drm_bridge_init()
> drm/bridge/analogix: Use drm_bridge_init()
> drm/bridge: cdns: Use drm_bridge_init()
> drm/bridge: dumb-vga-dac: Use drm_bridge_init()
> drm/bridge: lvds-encoder: Use drm_bridge_init()
> drm/bridge: megachips-stdpxxxx-ge-b850v3-fw: Use drm_bridge_init()
> drm/bridge: nxp-ptn3460: Use drm_bridge_init()
> drm/bridge: panel: Use drm_bridge_init()
> drm/bridge: ps8622: Use drm_bridge_init()
> drm/bridge: sii902x: Use drm_bridge_init()
> gpu: drm: bridge: sii9234: Use drm_bridge_init()
> drm/bridge: sil_sii8620: Use drm_bridge_init()
> drm/bridge: dw-hdmi: Use drm_bridge_init()
> drm/bridge/synopsys: dsi: Use drm_bridge_init()
> drm/bridge: tc358764: Use drm_bridge_init()
> drm/bridge: tc358767: Use drm_bridge_init()
> drm/bridge: thc63: Use drm_bridge_init()
> drm/bridge: ti-sn65dsi86: Use drm_bridge_init()
> drm/bridge: ti-tfp410: Use drm_bridge_init()
> drm/exynos: mic: Use drm_bridge_init()
> drm/i2c: tda998x: Use drm_bridge_init()
> drm/mcde: dsi: Use drm_bridge_init()
> drm/mediatek: hdmi: Use drm_bridge_init()
> drm: rcar-du: lvds: Use drm_bridge_init()
> drm: rcar-du: lvds: Don't set drm_bridge private pointer
> drm/sti: Use drm_bridge_init()
> drm/msm: Use drm_bridge_init()
>
> drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 5 ++-
> .../drm/bridge/analogix/analogix-anx6345.c | 5 ++-
> .../drm/bridge/analogix/analogix-anx78xx.c | 8 ++---
> .../drm/bridge/analogix/analogix_dp_core.c | 5 ++-
> drivers/gpu/drm/bridge/cdns-dsi.c | 4 +--
> drivers/gpu/drm/bridge/dumb-vga-dac.c | 6 ++--
> drivers/gpu/drm/bridge/lvds-encoder.c | 7 ++--
> .../bridge/megachips-stdpxxxx-ge-b850v3-fw.c | 4 +--
> drivers/gpu/drm/bridge/nxp-ptn3460.c | 4 +--
> drivers/gpu/drm/bridge/panel.c | 7 ++--
> drivers/gpu/drm/bridge/parade-ps8622.c | 3 +-
> drivers/gpu/drm/bridge/sii902x.c | 5 ++-
> drivers/gpu/drm/bridge/sii9234.c | 3 +-
> drivers/gpu/drm/bridge/sil-sii8620.c | 3 +-
> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 ++--
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 7 ++--
> drivers/gpu/drm/bridge/tc358764.c | 4 +--
> drivers/gpu/drm/bridge/tc358767.c | 3 +-
> drivers/gpu/drm/bridge/thc63lvd1024.c | 7 ++--
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 ++-
> drivers/gpu/drm/bridge/ti-tfp410.c | 5 ++-
> drivers/gpu/drm/drm_bridge.c | 34 ++++++++++++++++++-
> drivers/gpu/drm/exynos/exynos_drm_mic.c | 8 +----
> drivers/gpu/drm/i2c/tda998x_drv.c | 6 +---
> drivers/gpu/drm/mcde/mcde_dsi.c | 3 +-
> drivers/gpu/drm/mediatek/mtk_hdmi.c | 4 +--
> drivers/gpu/drm/msm/dsi/dsi_manager.c | 4 +--
> drivers/gpu/drm/msm/edp/edp_bridge.c | 3 +-
> drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 4 +--
> drivers/gpu/drm/rcar-du/rcar_lvds.c | 5 ++-
> drivers/gpu/drm/sti/sti_dvo.c | 4 +--
> drivers/gpu/drm/sti/sti_hda.c | 3 +-
> drivers/gpu/drm/sti/sti_hdmi.c | 3 +-
> include/drm/drm_bridge.h | 15 +++++++-
> 34 files changed, 100 insertions(+), 103 deletions(-)
>
Can you check it doesn't collides with Boris 1-7 of "drm: Add support for bus-format negotiation" patches he just pushed on drm-misc-next ?
Neil
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