[Intel-gfx] [PATCH 2/7] drm/i915/display: move more scanline functions to intel_vblank.[ch]

[Jani Nikula]

On Thu, 15 Dec 2022, "Murthy, Arun R" <arun.r.murthy at intel.com> wrote:
>> >> And how would you propose to drop the wrapper? The wrappers are all
>> >> about readability in the caller side:
>> >>
>> > I didn’t mean to drop the wrapper, understand that wrapper is more
>> readable, what I meant is to replace
>> wait_for_pipe_scanline_moving/stopped with its function contents.
>>
>> Why should we duplicate the code?
>
> static void intel_wait_for_pipe_scanline_moving(struct intel_crtc *crtc) {
>         struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
>         enum pipe pipe = crtc->pipe
>
>         /* Wait for the display line to settle/start moving */
>         if (wait_for(pipe_scanline_is_moving(dev_priv, pipe) == state, 100))
>
>         drm_err(&dev_priv->drm,
>                   "pipe %c scanline %s wait timed out\n",
>                          pipe_name(pipe), str_on_off(state));
> }

And the state variable comes from where?

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center