Re: [PATCH] drm/msm: fix new Konfig dependency warning

[Rob Clark]

On Sun, Feb 19, 2023 at 10:54 AM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>
> DEVFREQ_GOV_SIMPLE_ONDEMAND depends on PM_DEVFREQ, so in order to
> select the former safely, this symbol should also depend on
> PM_DEVFREQ to avoid a Kconfig dependency warning.
>
> WARNING: unmet direct dependencies detected for DEVFREQ_GOV_SIMPLE_ONDEMAND
>   Depends on [n]: PM_DEVFREQ [=n]
>   Selected by [m]:
>   - DRM_MSM [=m] && HAS_IOMEM [=y] && DRM [=m] && (ARCH_QCOM || SOC_IMX5 || COMPILE_TEST [=y]) && COMMON_CLK [=y] && IOMMU_SUPPORT [=y] && (QCOM_OCMEM [=n] || QCOM_OCMEM [=n]=n) && (QCOM_LLCC [=y] || QCOM_LLCC [=y]=n) && (QCOM_COMMAND_DB [=n] || QCOM_COMMAND_DB [=n]=n)
>

Actually, I fixed devfreq[1] so that we no longer depend on
DEVFREQ_GOV_SIMPLE_ONDEMAND .. probably we should just drop
DEVFREQ_GOV_SIMPLE_ONDEMAND from the kconfig instead, sorry I forgot
to do that already

BR,
-R

[1] https://patchwork.freedesktop.org/series/113232/

> Fixes: 6563f60f14cb ("drm/msm/gpu: Add devfreq tuning debugfs")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Rob Clark <robdclark@xxxxxxxxx>
> Cc: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
> Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Cc: Sean Paul <sean@xxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx
> ---
>  drivers/gpu/drm/msm/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
>
> diff -- a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
> --- a/drivers/gpu/drm/msm/Kconfig
> +++ b/drivers/gpu/drm/msm/Kconfig
> @@ -9,6 +9,7 @@ config DRM_MSM
>         depends on QCOM_OCMEM || QCOM_OCMEM=n
>         depends on QCOM_LLCC || QCOM_LLCC=n
>         depends on QCOM_COMMAND_DB || QCOM_COMMAND_DB=n
> +       depends on PM_DEVFREQ
>         select IOMMU_IO_PGTABLE
>         select QCOM_MDT_LOADER if ARCH_QCOM
>         select REGULATOR