Re: [PATCH 1/2] drm/msm/dpu: add dpu encoder uninit

[Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>]

On 2018-11-16 13:35, Sean Paul wrote:
> On Fri, Nov 16, 2018 at 11:22:21AM -0800, Jeykumar Sankaran wrote:
> > Add encoder interface to release dpu encoder
> > on mode_init failures in kms.
> >
> > Signed-off-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 12 ++++++++++--
> >  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h |  6 ++++++
> >  2 files changed, 16 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> > index dd7ab85..b253165 100644
> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> > @@ -422,6 +422,15 @@ void dpu_encoder_get_hw_resources(struct
> drm_encoder *drm_enc,
> >  	}
> >  }
> >
> > +void dpu_encoder_uninit(struct drm_encoder *drm_enc)
> > +{
> > +	struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc);
> > +
> > +	drm_encoder_cleanup(drm_enc);
> > +
> > +	kfree(dpu_enc);
> > +}
> > +
> >  static void dpu_encoder_destroy(struct drm_encoder *drm_enc)
> >  {
> >  	struct dpu_encoder_virt *dpu_enc = NULL;
> > @@ -453,10 +462,9 @@ static void dpu_encoder_destroy(struct 
> > drm_encoder
> *drm_enc)
> >  	dpu_enc->num_phys_encs = 0;
> >  	mutex_unlock(&dpu_enc->enc_lock);
> >
> > -	drm_encoder_cleanup(drm_enc);
> >  	mutex_destroy(&dpu_enc->enc_lock);
> >
> > -	kfree(dpu_enc);
> > +	dpu_encoder_uninit(drm_enc);
> >  }
> >
> >  void dpu_encoder_helper_split_config(
> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> > index 9dbf38f..60b88bd 100644
> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> > @@ -142,6 +142,12 @@ struct drm_encoder *dpu_encoder_init(
> >  		int drm_enc_mode);
> >
> >  /**
> > + * dpu_encoder_uninit - uninitialize virtual encoder object
> > + * @drm_enc:  Pointer to drm encoder
> > + */
> > +void dpu_encoder_uninit(struct drm_encoder *drm_enc);
>
> Just make it static?
encoder_uninit will be called by dpu_kms in patch 2/2 in case
of mode_init failures.

Thanks and Regards,
Jeykumar S.
> > +
> > +/**
> >   * dpu_encoder_setup - setup dpu_encoder for the display probed
> >   * @dev:		Pointer to drm device structure
> >   * @enc:		Pointer to the drm_encoder
> > --
> > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
> Forum,
> > a Linux Foundation Collaborative Project

--
Jeykumar S