linux-kernel - Re: [PATCH] Remove drm_display

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Message-ID: <20200428154505.GK6112@intel.com>
Date:   Tue, 28 Apr 2020 18:45:05 +0300
From:   Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:     Michal Orzel <michalorzel.eng@...il.com>,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...ux.ie, jani.nikula@...ux.intel.com,
        joonas.lahtinen@...ux.intel.com, rodrigo.vivi@...el.com,
        chris@...is-wilson.co.uk, jose.souza@...el.com,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        intel-gfx@...ts.freedesktop.org
Subject: Re: [PATCH] Remove drm_display_mode.hsync

On Tue, Apr 28, 2020 at 05:18:13PM +0200, Daniel Vetter wrote:
> On Mon, Apr 27, 2020 at 10:05:17AM +0200, Michal Orzel wrote:
> > As suggested by the TODO list of DRM subsystem:
> > -remove the member hsync of drm_display_mode
> > -convert code using hsync member to use drm_mode_hsync()
> > 
> > Signed-off-by: Michal Orzel <michalorzel.eng@...il.com>
> 
> I think Ville has a bunch of patches doing this, we might have some
> overlap :-/ Adding Ville.
> 
> Please sync with him and get either of these patches reviewed.

Yeah, I have the same thing (+ making the function static). I think
my series is sufficiently reviewed to get most of it pushed. Just need
to get it past the ci... which apparently means I get to do another
rebase.

> 
> Thanks, Daniel
> 
> > ---
> >  drivers/gpu/drm/drm_modes.c                  |  6 +-----
> >  drivers/gpu/drm/i915/display/intel_display.c |  1 -
> >  include/drm/drm_modes.h                      | 10 ----------
> >  3 files changed, 1 insertion(+), 16 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> > index d4d6451..0340079 100644
> > --- a/drivers/gpu/drm/drm_modes.c
> > +++ b/drivers/gpu/drm/drm_modes.c
> > @@ -752,16 +752,12 @@ EXPORT_SYMBOL(drm_mode_set_name);
> >   * @mode: mode
> >   *
> >   * Returns:
> > - * @modes's hsync rate in kHz, rounded to the nearest integer. Calculates the
> > - * value first if it is not yet set.
> > + * @modes's hsync rate in kHz, rounded to the nearest integer.
> >   */
> >  int drm_mode_hsync(const struct drm_display_mode *mode)
> >  {
> >  	unsigned int calc_val;
> >  
> > -	if (mode->hsync)
> > -		return mode->hsync;
> > -
> >  	if (mode->htotal <= 0)
> >  		return 0;
> >  
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > index 3468466..ec7e943 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -8891,7 +8891,6 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
> >  
> >  	mode->clock = pipe_config->hw.adjusted_mode.crtc_clock;
> >  
> > -	mode->hsync = drm_mode_hsync(mode);
> >  	mode->vrefresh = drm_mode_vrefresh(mode);
> >  	drm_mode_set_name(mode);
> >  }
> > diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
> > index 99134d4..7dab7f1 100644
> > --- a/include/drm/drm_modes.h
> > +++ b/include/drm/drm_modes.h
> > @@ -391,16 +391,6 @@ struct drm_display_mode {
> >  	int vrefresh;
> >  
> >  	/**
> > -	 * @hsync:
> > -	 *
> > -	 * Horizontal refresh rate, for debug output in human readable form. Not
> > -	 * used in a functional way.
> > -	 *
> > -	 * This value is in kHz.
> > -	 */
> > -	int hsync;
> > -
> > -	/**
> >  	 * @picture_aspect_ratio:
> >  	 *
> >  	 * Field for setting the HDMI picture aspect ratio of a mode.
> > -- 
> > 2.7.4
> > 
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

-- 
Ville Syrjälä
Intel