From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: linux-samsung-soc@vger.kernel.org,
Joonyoung Shim <jy0922.shim@samsung.com>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Inki Dae <inki.dae@samsung.com>, David Airlie <airlied@linux.ie>,
Kyungmin Park <kyungmin.park@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
dri-devel@lists.freedesktop.org, Daniel Vetter <daniel@ffwll.ch>,
kernel@collabora.com, Sean Paul <sean@poorly.run>,
linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com
Subject: Re: [PATCH 0/2] Associate ddc adapters with connectors
Date: Tue, 25 Jun 2019 11:16:55 +0100 [thread overview]
Message-ID: <20190625101655.n246vbwtupb4eoyz@shell.armlinux.org.uk> (raw)
In-Reply-To: <817ccfba-754c-6a28-8d75-63f70605fd43@collabora.com>
On Tue, Jun 25, 2019 at 12:14:27PM +0200, Andrzej Pietrasiewicz wrote:
> Hi Russell,
>
> W dniu 25.06.2019 o 12:03, Russell King - ARM Linux admin pisze:
> > On Tue, Jun 25, 2019 at 11:46:34AM +0200, Andrzej Pietrasiewicz wrote:
> > > It is difficult for a user to know which of the i2c adapters is for which
> > > drm connector. This series addresses this problem.
> > >
> > > The idea is to have a symbolic link in connector's sysfs directory, e.g.:
> > >
> > > ls -l /sys/class/drm/card0-HDMI-A-1/i2c-2
> > > lrwxrwxrwx 1 root root 0 Jun 24 10:42 /sys/class/drm/card0-HDMI-A-1/i2c-2 \
> > > -> ../../../../soc/13880000.i2c/i2c-2
> >
> > Don't you want the symlink name to be "i2c" or something fixed, rather
> > than the name of the i2c adapter? Otherwise, you seem to be encumbering
> > userspace with searching the directory to try and find the symlink.
> >
>
> Thank you for your comment. So you imagine something on the lines of:
>
> lrwxrwxrwx 1 root root 0 Jun 24 10:42 /sys/class/drm/card0-HDMI-A-1/ddc \
> -> ../../../../soc/13880000.i2c/i2c-2
>
> ?
Exactly.
> This makes sense to me, I will send a v2.
Thanks.
--
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next prev parent reply other threads:[~2019-06-25 10:17 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 9:46 [PATCH 0/2] Associate ddc adapters with connectors Andrzej Pietrasiewicz
2019-06-25 9:46 ` [PATCH 1/2] drm: Include ddc adapter pointer in struct drm_connector Andrzej Pietrasiewicz
2019-06-25 9:46 ` [PATCH 2/2] drm/exynos: Provide ddc symlink in connector's sysfs Andrzej Pietrasiewicz
2019-06-25 10:03 ` [PATCH 0/2] Associate ddc adapters with connectors Russell King - ARM Linux admin
2019-06-25 10:14 ` Andrzej Pietrasiewicz
2019-06-25 10:16 ` Russell King - ARM Linux admin [this message]
2019-06-25 10:24 ` [PATCH v2 " Andrzej Pietrasiewicz
2019-06-25 10:24 ` [PATCH v2 1/2] drm: Include ddc adapter pointer in struct drm_connector Andrzej Pietrasiewicz
2019-06-25 14:21 ` Daniel Vetter
2019-06-25 10:24 ` [PATCH v2 2/2] drm/exynos: Provide ddc symlink in connector's sysfs Andrzej Pietrasiewicz
2019-06-25 13:36 ` [PATCH 0/2] Associate ddc adapters with connectors Emil Velikov
2019-06-25 14:07 ` Daniel Vetter
2019-06-25 14:10 ` Russell King - ARM Linux admin
2019-06-25 14:20 ` Daniel Vetter
2019-06-26 6:50 ` Andrzej Pietrasiewicz
[not found] ` <cover.1561735433.git.andrzej.p@collabora.com>
[not found] ` <d6381c020ea1c848a7044d830bdb0ec9663d1619.1561735433.git.andrzej.p@collabora.com>
[not found] ` <9b03d145-ec50-927c-55a8-dff1cd51d655@suse.de>
[not found] ` <cf1984e4-50af-302d-ef67-9ad530118c29@collabora.com>
[not found] ` <CGME20190701144119epcas1p211ec60b63f3c6ae02392e2ae67f1a4ba@epcas1p2.samsung.com>
[not found] ` <9e65f3c0-941d-d04c-5745-6b3a2965b990@suse.de>
2019-07-05 9:44 ` [PATCH v3 01/22] drm: Include ddc adapter pointer in struct drm_connector Andrzej Hajda
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