From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Mihail Atanassov <Mihail.Atanassov@arm.com>
Cc: "Martyn Welch" <martyn.welch@collabora.co.uk>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"David Airlie" <airlied@linux.ie>,
"Linus Walleij" <linus.walleij@linaro.org>,
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Subject: Re: [PATCH 00/30] drm/bridge: Add device links for lifetime control
Date: Tue, 26 Nov 2019 15:27:16 +0000 [thread overview]
Message-ID: <20191126152716.GY25745@shell.armlinux.org.uk> (raw)
In-Reply-To: <20191126131541.47393-1-mihail.atanassov@arm.com>
What happened with the patches I posted doing exactly this?
On Tue, Nov 26, 2019 at 01:15:58PM +0000, Mihail Atanassov wrote:
> Hi all,
>
> 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 (29):
> drm: Introduce drm_bridge_init()
> drm/bridge: adv7511: Use drm_bridge_init()
> drm/bridge: anx6345: Use drm_bridge_init()
> drm/bridge: anx78xx: 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: sti_vdo: Use drm_bridge_init()
> drm/komeda: Use drm_bridge interface for pipe outputs
>
> Russell King (1):
> drm/bridge: add support for device links to bridge
>
> .../gpu/drm/arm/display/komeda/komeda_drv.c | 54 ++++++-------
> .../gpu/drm/arm/display/komeda/komeda_kms.c | 77 ++++++++++++++++--
> .../gpu/drm/arm/display/komeda/komeda_kms.h | 2 +
> drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 5 +-
> .../drm/bridge/analogix/analogix-anx6345.c | 5 +-
> .../drm/bridge/analogix/analogix-anx78xx.c | 8 +-
> 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 | 78 +++++++++++++++----
> 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/rcar-du/rcar_lvds.c | 5 +-
> drivers/gpu/drm/sti/sti_dvo.c | 4 +-
> include/drm/drm_bridge.h | 8 ++
> 31 files changed, 217 insertions(+), 134 deletions(-)
>
> --
> 2.23.0
>
>
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2019-11-26 15:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 13:15 [PATCH 00/30] drm/bridge: Add device links for lifetime control Mihail Atanassov
2019-11-26 13:16 ` [PATCH 25/30] drm/mediatek: hdmi: Use drm_bridge_init() Mihail Atanassov
2019-11-26 15:27 ` Russell King - ARM Linux admin [this message]
2019-11-26 15:55 ` [PATCH 00/30] drm/bridge: Add device links for lifetime control Mihail Atanassov
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