LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Arnd Bergmann <arnd@kernel.org>
To: Karol Herbst <kherbst@redhat.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Lyude Paul <lyude@redhat.com>, Ben Skeggs <bskeggs@redhat.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Daniel Vetter <daniel@ffwll.ch>,
	ML nouveau <nouveau@lists.freedesktop.org>,
	dri-devel <dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH] nouveau: make backlight support non optional
Date: Sat, 24 Jul 2021 16:58:06 +0200	[thread overview]
Message-ID: <CAK8P3a0i0WP24Z0TScmPqKxmM2ovtKnmm+qZq6+Tc1ju+hma0w@mail.gmail.com> (raw)
In-Reply-To: <CACO55tswMuDE9u3asU2Ls7BhA0uKGGarLk+E-WTD6MVnLwc3tw@mail.gmail.com>

On Sat, Jul 24, 2021 at 4:14 PM Karol Herbst <kherbst@redhat.com> wrote:
>
> we use the MXM_WMI in code. We also have to keep arm in mind and not
> break stuff there. So I will try to play around with your changes and
> see how that goes.

Ok, should find any randconfig build failures for arm, arm64 or x86 over the
weekend. I also this on linux-next today

ld: drivers/gpu/drm/i915/display/intel_panel.o: in function
`intel_backlight_device_register':
intel_panel.c:(.text+0x2804): undefined reference to `backlight_device_register'
ld: intel_panel.c:(.text+0x284e): undefined reference to
`backlight_device_register'
ld: drivers/gpu/drm/i915/display/intel_panel.o: in function
`intel_backlight_device_unregister':
intel_panel.c:(.text+0x28b1): undefined reference to
`backlight_device_unregister'

and I added this same thing there to see how it goes:

diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 87825d36335b..69c6b7aec49e 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -3,6 +3,8 @@ config DRM_I915
        tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics"
        depends on DRM
        depends on X86 && PCI
+       depends on ACPI_VIDEO || !ACPI
+       depends on BACKLIGHT_CLASS_DEVICE
        select INTEL_GTT
        select INTERVAL_TREE
        # we need shmfs for the swappable backing store, and in particular
@@ -16,10 +18,6 @@ config DRM_I915
        select IRQ_WORK
        # i915 depends on ACPI_VIDEO when ACPI is enabled
        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
-       select DRM_I915_BACKLIGHT if ACPI
-       select INPUT if ACPI
-       select ACPI_VIDEO if ACPI
-       select ACPI_BUTTON if ACPI
        select SYNC_FILE
        select IOSF_MBI
        select CRC32
@@ -64,13 +62,7 @@ config DRM_I915_FORCE_PROBE
          Use "*" to force probe the driver for all known devices.

 config DRM_I915_BACKLIGHT
-       tristate "Control backlight support"
-       depends on DRM_I915
-       default DRM_I915
-       select BACKLIGHT_CLASS_DEVICE
-       help
-          Say Y here if you want to control the backlight of your display
-          (e.g. a laptop panel).
+       def_tristate DRM_I915

 config DRM_I915_CAPTURE_ERROR
        bool "Enable capturing GPU state following a hang"

  reply	other threads:[~2021-07-24 14:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-23 22:46 Karol Herbst
2021-07-24  6:55 ` Arnd Bergmann
2021-07-24  9:54   ` Karol Herbst
2021-07-24 11:56     ` Arnd Bergmann
2021-07-24 12:10       ` Karol Herbst
2021-07-24 12:51         ` Karol Herbst
2021-07-24 14:04           ` Arnd Bergmann
2021-07-24 14:13             ` Karol Herbst
2021-07-24 14:58               ` Arnd Bergmann [this message]
2021-08-04 14:10                 ` [PATCH] depend on BACKLIGHT_CLASS_DEVICE for more devices Karol Herbst
2021-08-04 14:19                   ` Arnd Bergmann
2021-08-04 14:43                     ` Karol Herbst
2021-08-04 18:59                       ` Karol Herbst
2021-08-04 21:09                         ` Arnd Bergmann
2021-08-04 22:01                           ` Karol Herbst
2021-08-05  6:50                             ` Arnd Bergmann
2021-08-09 13:20                 ` [PATCH] nouveau: make backlight support non optional Jani Nikula
2021-08-09 13:30                   ` Arnd Bergmann

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=CAK8P3a0i0WP24Z0TScmPqKxmM2ovtKnmm+qZq6+Tc1ju+hma0w@mail.gmail.com \
    --to=arnd@kernel.org \
    --cc=bskeggs@redhat.com \
    --cc=daniel@ffwll.ch \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=kherbst@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lyude@redhat.com \
    --cc=nouveau@lists.freedesktop.org \
    --cc=rdunlap@infradead.org \
    --subject='Re: [PATCH] nouveau: make backlight support non optional' \
    /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

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).