From: Jeffrey Hugo <quic_jhugo@quicinc.com>
To: Arnd Bergmann <arnd@kernel.org>, Oded Gabbay <ogabbay@kernel.org>,
Dave Airlie <airlied@redhat.com>, Melissa Wen <mwen@igalia.com>,
Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] [v2] accel: fix CONFIG_DRM dependencies
Date: Mon, 30 Jan 2023 08:42:01 -0700 [thread overview]
Message-ID: <eda19378-6184-accb-d310-793699d8220c@quicinc.com> (raw)
In-Reply-To: <20230127221504.2522909-1-arnd@kernel.org>
On 1/27/2023 3:14 PM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> At the moment, accel drivers can be built-in even with CONFIG_DRM=m,
> but this causes a link failure:
>
> x86_64-linux-ld: drivers/accel/ivpu/ivpu_drv.o: in function `ivpu_dev_init':
> ivpu_drv.c:(.text+0x1535): undefined reference to `drmm_kmalloc'
> x86_64-linux-ld: ivpu_drv.c:(.text+0x1562): undefined reference to `drmm_kmalloc'
> x86_64-linux-ld: drivers/accel/ivpu/ivpu_drv.o: in function `ivpu_remove':
> ivpu_drv.c:(.text+0x1faa): undefined reference to `drm_dev_unregister'
> x86_64-linux-ld: drivers/accel/ivpu/ivpu_drv.o: in function `ivpu_probe':
> ivpu_drv.c:(.text+0x1fef): undefined reference to `__devm_drm_dev_alloc'
>
> The problem is that DRM_ACCEL is a 'bool' symbol symbol, so driver that
> only depend on DRM_ACCEL but not also on DRM do not see the restriction
> to =m configs.
>
> To ensure that each accel driver has an implied dependency on CONFIG_DRM,
> enclose the entire Kconfig file in an if/endif check.
>
> Fixes: 8bf4889762a8 ("drivers/accel: define kconfig and register a new major")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
next prev parent reply other threads:[~2023-01-30 15:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-27 22:14 [PATCH] [v2] accel: fix CONFIG_DRM dependencies Arnd Bergmann
2023-01-30 9:41 ` Stanislaw Gruszka
2023-01-30 15:42 ` Jeffrey Hugo [this message]
2023-01-31 8:53 ` Oded Gabbay
2023-01-31 9:20 ` Jacek Lawrynowicz
2023-02-01 10:36 ` Thomas Zimmermann
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=eda19378-6184-accb-d310-793699d8220c@quicinc.com \
--to=quic_jhugo@quicinc.com \
--cc=airlied@redhat.com \
--cc=arnd@arndb.de \
--cc=arnd@kernel.org \
--cc=daniel.vetter@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=gregkh@linuxfoundation.org \
--cc=jacek.lawrynowicz@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mwen@igalia.com \
--cc=ogabbay@kernel.org \
--cc=tzimmermann@suse.de \
/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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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).