Re: [Intel-gfx] [PATCH 3/3] drm/i915: Drop the drm_atomic_helper_calc_timestamping_constants() call

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Mon, Sep 07, 2020 at 08:14:38PM +0200, Daniel Vetter wrote:
> On Mon, Sep 07, 2020 at 03:00:26PM +0300, Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > 
> > We update the timestamping constants per-crtc explicitly in
> > intel_crtc_update_active_timings(). Furtermore the helper will
> > use uapi.adjusted_mode whereas we want hw.adjusted_mode. Thus
> > let's drop the helper call an rely on what we already have in
> > intel_crtc_update_active_timings(). We can now also drop the
> > hw.adjusted_mode -> uapi.adjusted_mode copy hack that was added
> > to keep the helper from deriving the timestamping constants from
> > the wrong thing.
> > 
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Does this fix some CI fail? I'd kinda expect/hope for that ...

Nah. Just trying to get rid of some of the confusing stuff before
we add even more confusing stuff for bigjoiner.

> 
> Anyway looks like a good idea to not mess with the uapi state like this.
> 
> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> 
> > ---
> >  drivers/gpu/drm/i915/display/intel_display.c | 7 -------
> >  1 file changed, 7 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > index 035840ce3825..a846f414c759 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -13472,12 +13472,6 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config)
> >  		    "hw max bpp: %i, pipe bpp: %i, dithering: %i\n",
> >  		    base_bpp, pipe_config->pipe_bpp, pipe_config->dither);
> >  
> > -	/*
> > -	 * Make drm_calc_timestamping_constants in
> > -	 * drm_atomic_helper_update_legacy_modeset_state() happy
> > -	 */
> > -	pipe_config->uapi.adjusted_mode = pipe_config->hw.adjusted_mode;
> > -
> >  	return 0;
> >  }
> >  
> > @@ -15578,7 +15572,6 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
> >  
> >  	if (state->modeset) {
> >  		drm_atomic_helper_update_legacy_modeset_state(dev, &state->base);
> > -		drm_atomic_helper_calc_timestamping_constants(&state->base);
> >  
> >  		intel_set_cdclk_pre_plane_update(state);
> >  
> > -- 
> > 2.26.2
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

-- 
Ville Syrjälä
Intel
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