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

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Message-ID: <5c40dbf6bbb9cb6806e6d08664709b5cf934ec36.camel@imgtec.com>
Date: Mon, 3 Nov 2025 10:14:52 +0000
From: Alessio Belle <Alessio.Belle@...tec.com>
To: Matt Coster <Matt.Coster@...tec.com>
CC: "lkp@...el.com" <lkp@...el.com>, "airlied@...il.com" <airlied@...il.com>,
        "tzimmermann@...e.de" <tzimmermann@...e.de>,
        "simona@...ll.ch"
	<simona@...ll.ch>,
        "m.wilczynski@...sung.com" <m.wilczynski@...sung.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Frank Binns
	<Frank.Binns@...tec.com>,
        "maarten.lankhorst@...ux.intel.com"
	<maarten.lankhorst@...ux.intel.com>,
        "stable@...r.kernel.org"
	<stable@...r.kernel.org>,
        Alexandru Dadu <Alexandru.Dadu@...tec.com>,
        "mripard@...nel.org" <mripard@...nel.org>
Subject: Re: [PATCH] drm/imagination: Optionally depend on POWER_SEQUENCING

On Tue, 2025-10-14 at 12:57 +0100, 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/
> Signed-off-by: Matt Coster <matt.coster@...tec.com>

Reviewed-by: Alessio Belle <alessio.belle@...tec.com>

Thanks,
Alessio

> ---
>  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
>