Re: [PATCH 11/35] drm/msm/dpu: get rid of DPU_CTL_ACTIVE_CFG

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On Tue, Jan 21, 2025 at 04:58:03PM -0800, Abhinav Kumar wrote:
> 
> 
> On 12/13/2024 2:14 PM, Dmitry Baryshkov wrote:
> > Continue migration to the MDSS-revision based checks and replace
> > DPU_CTL_ACTIVE_CFG feature bit with the core_major_ver >= 5 check.
> > 
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > ---
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_0_sm8150.h  | 8 ++------
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h | 8 ++------
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_2_sm7150.h  | 8 ++------
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_4_sm6125.h  | 6 ------
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_0_sm8250.h  | 8 ++------
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_2_sc7180.h  | 3 ---
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_3_sm6115.h  | 1 -
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h  | 4 ----
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_5_qcm2290.h | 1 -
> >   drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_9_sm6375.h  | 1 -
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c    | 2 +-
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c     | 7 ++-----
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c          | 3 +--
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h          | 1 -
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c              | 2 +-
> >   15 files changed, 13 insertions(+), 50 deletions(-)
> > 
> 
> <snip>
> 
> > 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 e9bbccc44dad8b391cd51daf902307105b2598fc..e16b0a0c57da4a1aa77064ca2214e37cd9ee4baa 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
> > @@ -66,7 +66,7 @@ static void _dpu_encoder_phys_cmd_update_intf_cfg(
> >   	ctl->ops.setup_intf_cfg(ctl, &intf_cfg);
> >   	/* setup which pp blk will connect to this intf */
> > -	if (test_bit(DPU_CTL_ACTIVE_CFG, &ctl->caps->features) && phys_enc->hw_intf->ops.bind_pingpong_blk)
> > +	if (phys_enc->hw_intf->ops.bind_pingpong_blk)
> >   		phys_enc->hw_intf->ops.bind_pingpong_blk(
> >   				phys_enc->hw_intf,
> >   				phys_enc->hw_pp->idx);
> 
> Was it intentional to drop the DPU_CTL_ACTIVE_CFG here but not replace it
> with core_major_rev >= 5?

The bind_pingpong_blk is only defined for 5.x+ platforms, so the check
is useless.

> 
> <snip>
> 
> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> > index 5f9cd09589bb403746d48af6f8555cd224bf3195..59d25916d2d412113768d71a76a6aed4c879299a 100644
> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> > @@ -716,7 +716,7 @@ struct dpu_hw_ctl *dpu_hw_ctl_init(struct drm_device *dev,
> >   	c->caps = cfg;
> >   	c->mdss_ver = mdss_ver;
> > -	if (c->caps->features & BIT(DPU_CTL_ACTIVE_CFG)) {
> > +	if (mdss_ver->core_major_ver >= 5) {
> >   		c->ops.trigger_flush = dpu_hw_ctl_trigger_flush_v1;
> >   		c->ops.setup_intf_cfg = dpu_hw_ctl_intf_cfg_v1;
> >   		c->ops.reset_intf_cfg = dpu_hw_ctl_reset_intf_cfg_v1;
> > 
> 
> DPU ver 5 introduced active_cfg, so this part is correct. Hence overall
> change is fine.

-- 
With best wishes
Dmitry



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