On Fri, Nov 16, 2018 at 04:35:26PM -0500, 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?
I just saw YueHaibing's patch to remove the kfree entirely since dpu_enc is
devm_* managed. IMO, that'd be a better solution than this.
Sean
>
> > +
> > +/**
> > * 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
> >
>
> --
> Sean Paul, Software Engineer, Google / Chromium OS
--
Sean Paul, Software Engineer, Google / Chromium OS
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