Re: [PATCH v2 2/3] drm/msm/dpu: Attach INT2 power domain alongside MMCX on Kaanapali

[Dmitry Baryshkov]

On Tue, Sep 15, 2026 at 05:27:49PM +0800, Yongxing Mou wrote:
> Kaanapali's DPU node lists two power domains when its DT provides
> both MMCX and INT2 GDSC. The power-domain core only auto-attaches a
> single power domain; with two phandles it leaves the device
> unattached to either, so attach both explicitly.
> 
> MMCX keeps PD_FLAG_REQUIRED_OPP, preserving its existing OPP-based
> performance-state voting. INT2 has no OPP of its own and is attached
> as a plain runtime-PM supplier, via the device link the attach API
> creates automatically, so it needs no manual pm_runtime get/put in
> the enable/disable paths.
> 
> Platforms with a single power domain are unaffected and continue to
> rely on the core's existing single-domain auto-attach.
> 
> Signed-off-by: Yongxing Mou <yongxing.mou@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry