linux-kernel - Re: [PATCH] drm/imagination: Optionally depend on POWER

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Message-ID: <cd25db46-12cb-4ad1-a1be-02dd4c93c654@imgtec.com>
Date: Mon, 3 Nov 2025 10:35:26 +0000
From: Matt Coster <Matt.Coster@...tec.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard
	<mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie
	<airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Michal Wilczynski
	<m.wilczynski@...sung.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
CC: Frank Binns <Frank.Binns@...tec.com>,
        Alessio Belle
	<Alessio.Belle@...tec.com>,
        Alexandru Dadu <Alexandru.Dadu@...tec.com>,
        Marek
 Vasut <marek.vasut+renesas@...lbox.org>,
        "dri-devel@...ts.freedesktop.org"
	<dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org"
	<stable@...r.kernel.org>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] drm/imagination: Optionally depend on POWER_SEQUENCING

On 14/10/2025 12:57, Matt Coster wrote:
> When the change using pwrseq was added, I nixed the dependency on
> POWER_SEQUENCING since we didn't want it pulled in on platforms where
> it's not needed [1]. I hadn't, however, considered the link-time
> implications of this for configs with POWER_SEQUENCING=m.
> 
> [1]: https://lore.kernel.org/r/a265a20e-8908-40d8-b4e0-2c8b8f773742@imgtec.com/
> 
> Fixes: e38e8391f30b ("drm/imagination: Use pwrseq for TH1520 GPU power management")
> Cc: stable@...r.kernel.org
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202510111806.CMulNMKW-lkp@intel.com/

There's been another automated report of the same bug since this patch
went out, so adding:

Closes: https://lore.kernel.org/oe-kbuild-all/202511011739.SONHjSfR-lkp@intel.com/

Cheers,
Matt

> Signed-off-by: Matt Coster <matt.coster@...tec.com>
> ---
>  drivers/gpu/drm/imagination/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/imagination/Kconfig b/drivers/gpu/drm/imagination/Kconfig
> index 3bfa2ac212dc..7e7ffb9c2257 100644
> --- a/drivers/gpu/drm/imagination/Kconfig
> +++ b/drivers/gpu/drm/imagination/Kconfig
> @@ -6,6 +6,7 @@ config DRM_POWERVR
>         depends on ARM64
>         depends on DRM
>         depends on PM
> +       depends on POWER_SEQUENCING || !POWER_SEQUENCING
>         select DRM_EXEC
>         select DRM_GEM_SHMEM_HELPER
>         select DRM_SCHED
> 
> ---
> base-commit: db74b04edce1bc86b9a5acc724c7ca06f427ab60
> change-id: 20251013-pwrseq-dep-0c158ad8029c
> 

-- 
Matt Coster
E: matt.coster@...tec.com


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