Re: [PATCH] drm/msm/dpu: guard ctl irq callback register/unregister

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On Thu, May 09, 2024 at 12:14:19PM GMT, Abhinav Kumar wrote:
> 
> 
> On 5/9/2024 10:52 AM, Barnabás Czémán wrote:
> > CTLs on older qualcomm SOCs like msm8953 and msm8996 has not got interrupts,
> > so better to skip CTL irq callback register/unregister
> > make dpu_ctl_cfg be able to define without intr_start.
> > 
> 
> Thanks for the patch.
> 
> Have msm8953 and msm8996 migrated to DPU or is there a series planned to
> migrate them?
> 
> The change itself is correct but without the catalogs for those chipsets
> merged, we will never hit this path.

I think I'm going to accept this patch. While we might not be supporting
these chipsets, it's easier to have this in.

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

> > Signed-off-by: Barnabás Czémán <trabarni@xxxxxxxxx>
> > ---
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 4 ++--
> >   1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
> > index 489be1c0c704..250d83af53a4 100644
> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
> > @@ -298,7 +298,7 @@ static void dpu_encoder_phys_cmd_irq_enable(struct dpu_encoder_phys *phys_enc)
> >   				       phys_enc);
> >   	dpu_encoder_phys_cmd_control_vblank_irq(phys_enc, true);
> > -	if (dpu_encoder_phys_cmd_is_master(phys_enc))
> > +	if (dpu_encoder_phys_cmd_is_master(phys_enc) && phys_enc->irq[INTR_IDX_CTL_START])
> >   		dpu_core_irq_register_callback(phys_enc->dpu_kms,
> >   					       phys_enc->irq[INTR_IDX_CTL_START],
> >   					       dpu_encoder_phys_cmd_ctl_start_irq,
> > @@ -311,7 +311,7 @@ static void dpu_encoder_phys_cmd_irq_disable(struct dpu_encoder_phys *phys_enc)
> >   					   phys_enc->hw_pp->idx - PINGPONG_0,
> >   					   phys_enc->vblank_refcount);
> > -	if (dpu_encoder_phys_cmd_is_master(phys_enc))
> > +	if (dpu_encoder_phys_cmd_is_master(phys_enc) && phys_enc->irq[INTR_IDX_CTL_START])
> >   		dpu_core_irq_unregister_callback(phys_enc->dpu_kms,
> >   						 phys_enc->irq[INTR_IDX_CTL_START]);
> > 
> > ---
> > base-commit: 704ba27ac55579704ba1289392448b0c66b56258
> > change-id: 20240509-ctl_irq-a90b2d7a0bf5
> > 
> > Best regards,

-- 
With best wishes
Dmitry




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