Re: [PATCH v2 11/17] drm/msm/dpu: Disable MDP vsync source selection on DPU 5.0.0 and above

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On 2023-04-20 04:03:31, Dmitry Baryshkov wrote:
[..]
> >>>    -static void dpu_hw_setup_vsync_source(struct dpu_hw_mdp *mdp,
> >>> +static void dpu_hw_setup_vsync_source_v1(struct dpu_hw_mdp *mdp,
> >>>            struct dpu_vsync_source_cfg *cfg)
> >>
> >> In my opinion _v1 is not really descriptive here. Could you please rename it to dpu_hw_setup_vsync_source_no_vsync_sel() ?
> > v1 refers to the CTL rev 100 a.k.a 1.0.0 a.k.a 1, but that's not
> > yet very well formulated upstream.. if we even need it..

I think v1 just refers to "the first next variant of this function",
similar to how for example Microsoft COM APIs start without a suffix,
then get 1, 2, 3 etc appended as new variants "of the same" trickle in.

> Yeah, but this mdp_top, not the ctl. And for CTL I'd probably rename _v1 
> to _active to follow actual feature name.

Correct, I just got lazily inspired by downstream here.  There it
switches on SDE_MDP_VSYNC_SEL which is based on DPU >= 5.0.0 as
explained in the patch.

> >> Or maybe rename dpu_hw_setup_vsync_source() to dpu_hw_setup_vsync_source_vsync_sel() and drop _v1 from this function.

Maybe add _and_ in there?

> >>
> >> Up to you.

- Marijn



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