Re: [Intel-gfx] [PATCH 3/6] drm/i915: Move hw.active assignment into intel_crtc_get_pipe_config()

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

On Thu, Nov 12, 2020 at 11:48:12AM -0800, Navare, Manasi wrote:
> On Thu, Nov 12, 2020 at 09:17:15PM +0200, Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > 
> > No reason to make the callers of intel_crtc_get_pipe_config()
> > populate hw.active. Let's do it in intel_crtc_get_pipe_config()
> > itself. hw.enable we leave up to the callers since it's slightly
> > different for readout vs. state check.
> > 
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/intel_display.c | 14 ++++++++++----
> >  1 file changed, 10 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > index a8287414937c..889642bef192 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -11412,7 +11412,12 @@ static bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state)
> >  	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> >  	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
> >  
> > -	return i915->display.get_pipe_config(crtc, crtc_state);
> > +	if (!i915->display.get_pipe_config(crtc, crtc_state))
> > +		return false;
> > +
> > +	crtc_state->hw.active = true;
> > +
> > +	return true;
> 
> In that case this function can just return a void right, we are not catching the return value in the caller anyways now

There is a third caller.

> 
> With that change
> 
> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
> 
> Manasi
> 
> >  }
> >  
> >  static u32 intel_cursor_base(const struct intel_plane_state *plane_state)
> > @@ -14430,7 +14435,7 @@ verify_crtc_state(struct intel_crtc *crtc,
> >  
> >  	pipe_config->hw.enable = new_crtc_state->hw.enable;
> >  
> > -	pipe_config->hw.active = intel_crtc_get_pipe_config(pipe_config);
> > +	intel_crtc_get_pipe_config(pipe_config);
> >  
> >  	/* we keep both pipes enabled on 830 */
> >  	if (IS_I830(dev_priv) && pipe_config->hw.active)
> > @@ -18742,8 +18747,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
> >  		intel_crtc_free_hw_state(crtc_state);
> >  		intel_crtc_state_reset(crtc_state, crtc);
> >  
> > -		crtc_state->hw.active = crtc_state->hw.enable =
> > -			intel_crtc_get_pipe_config(crtc_state);
> > +		intel_crtc_get_pipe_config(crtc_state);
> > +
> > +		crtc_state->hw.enable = crtc_state->hw.active;
> >  
> >  		crtc->base.enabled = crtc_state->hw.enable;
> >  		crtc->active = crtc_state->hw.active;
> > -- 
> > 2.26.2
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel
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