linux-kernel - [PATCH 0/3] Kconfig dependencies: acpi-video, backlight and thermal

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Date:   Wed, 26 Jul 2017 15:53:09 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     dri-devel@...ts.freedesktop.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Lucas Stach <l.stach@...gutronix.de>,
        Russell King <linux+etnaviv@...linux.org.uk>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Jens Frederich <jfrederich@...il.com>,
        Daniel Drake <dsd@...top.org>,
        Jon Nettleton <jon.nettleton@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        etnaviv@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        nouveau@...ts.freedesktop.org, platform-driver-x86@...r.kernel.org,
        devel@...verdev.osuosl.org
Subject: [PATCH 0/3] Kconfig dependencies: acpi-video, backlight and thermal

Hi everyone,

It took me a while to figure this out properly, as I kept getting
circular or missing dependencies with video drivers.

This set of three patches should simplify the situation a bit,
mostly by cleaning up the dependencies around CONFIG_ACPI_VIDEO.
With all three patches applied, I no longer run into those related
warnings. If everyone agrees on the general direction, I hope
we can merge all three through the DRM tree.

I originally had another larger patch in the series to replace all
of the 'select BACKLIGHT_LCD_SUPPORT; select BACKLIGHT_CLASS_DEVICE'
statements with 'depends on LCD_CLASS_DEVICE', that would clean
it up some more, but it is also a more invasive change that we
can do separately at some point.

       Arnd

Arnd Bergmann (3):
  backlight: always select BACKLIGHT_LCD_SUPPORT for
    BACKLIGHT_CLASS_DEVICE
  ACPI/DRM: rework ACPI_VIDEO Kconfig dependencies
  drm/etnaviv: add thermal dependency

 drivers/acpi/Kconfig              |  7 +++++--
 drivers/gpu/drm/etnaviv/Kconfig   |  1 +
 drivers/gpu/drm/gma500/Kconfig    |  5 +----
 drivers/gpu/drm/i915/Kconfig      |  7 +------
 drivers/gpu/drm/nouveau/Kconfig   | 10 ++--------
 drivers/platform/x86/Kconfig      |  9 ++++-----
 drivers/staging/olpc_dcon/Kconfig |  1 +
 7 files changed, 15 insertions(+), 25 deletions(-)

To: dri-devel@...ts.freedesktop.org
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Len Brown <lenb@...nel.org>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Russell King <linux+etnaviv@...linux.org.uk>
Cc: Christian Gmeiner <christian.gmeiner@...il.com>
Cc: David Airlie <airlied@...ux.ie>
Cc: Patrik Jakobsson <patrik.r.jakobsson@...il.com>
Cc: Daniel Vetter <daniel.vetter@...el.com>
Cc: Jani Nikula <jani.nikula@...ux.intel.com>
Cc: Ben Skeggs <bskeggs@...hat.com>
Cc: Darren Hart <dvhart@...radead.org>
Cc: Andy Shevchenko <andy@...radead.org>
Cc: Jens Frederich <jfrederich@...il.com>
Cc: Daniel Drake <dsd@...top.org>
Cc: Jon Nettleton <jon.nettleton@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-acpi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: etnaviv@...ts.freedesktop.org
Cc: intel-gfx@...ts.freedesktop.org
Cc: nouveau@...ts.freedesktop.org
Cc: platform-driver-x86@...r.kernel.org
Cc: devel@...verdev.osuosl.org

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