[Intel-gfx] [PATCH v2 5/7] drm/i915: Get first crtc instead of PIPE_A crtc

[Anshuman Gupta]

On 2020-02-17 at 16:17:22 +0200, Ville Syrjälä wrote:
> On Mon, Feb 17, 2020 at 10:52:28AM +0530, Anshuman Gupta wrote:
> > On 2020-02-11 at 22:55:30 +0530, Anshuman Gupta wrote:
> > > intel_plane_fb_max_stride should return the max stride of
> > > primary plane for first available pipe in intel device info
> > > pipe_mask.
> > > Similarly glk_force_audio_cdclk() should also use the first
> > > available CRTC instead of pipe 'A' crtc to force the cdclk
> > > changes.
> > > 
> > > changes since RFC:
> > > - Introduced a helper to get first intel_crtc intel_get_first_crtc. [Ville]
> > > v1:
> > > - Used intel_get_first_crtc() instead of PIPE_A crtc in
> > >   glk_force_audio_cdclk(). [Ville]
> > Hi Ville,
> > You had provided your RB on earlier revision
> > https://patchwork.freedesktop.org/patch/351873/?series=72468&rev=2
> > later u have provided the above review comment, as current
> > patch fixes the above review comment.
> > can i use your RB for this patch, if current patch is ok.
> 
> Yes, this patch looks ok.
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Thanks Ville for RB.
> 
> > Thanks,
> > Anshuman Gupta. 
> > > 
> > > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>
> > > ---
> > >  drivers/gpu/drm/i915/display/intel_audio.c         | 2 +-
> > >  drivers/gpu/drm/i915/display/intel_display.c       | 5 +++--
> > >  drivers/gpu/drm/i915/display/intel_display_types.h | 6 ++++++
> > >  3 files changed, 10 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
> > > index 30fb7c887ff0..19bf206037c2 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_audio.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_audio.c
> > > @@ -844,7 +844,7 @@ static void glk_force_audio_cdclk(struct drm_i915_private *dev_priv,
> > >  	struct intel_crtc *crtc;
> > >  	int ret;
> > >  
> > > -	crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
> > > +	crtc = intel_get_first_crtc(dev_priv);
> > >  	if (!crtc)
> > >  		return;
> > >  
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > > index 5ba0b40fbfde..6fdaeb019fef 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > > @@ -2715,9 +2715,10 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
> > >  
> > >  	/*
> > >  	 * We assume the primary plane for pipe A has
> > > -	 * the highest stride limits of them all.
> > > +	 * the highest stride limits of them all,
> > > +	 * if in case pipe A is disabled, use the first pipe from pipe_mask.
> > >  	 */
> > > -	crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
> > > +	crtc = intel_get_first_crtc(dev_priv);
> > >  	if (!crtc)
> > >  		return 0;
> > >  
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > index d359f1636ba8..359eaa6703a8 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> > > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > @@ -1403,6 +1403,12 @@ vlv_pipe_to_channel(enum pipe pipe)
> > >  	}
> > >  }
> > >  
> > > +static inline struct intel_crtc *
> > > +intel_get_first_crtc(struct drm_i915_private *dev_priv)
> > > +{
> > > +	return to_intel_crtc(drm_crtc_from_index(&dev_priv->drm, 0));
> > > +}
> > > +
> > >  static inline struct intel_crtc *
> > >  intel_get_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
> > >  {
> > > -- 
> > > 2.24.0
> > > 
> 
> -- 
> Ville Syrjälä
> Intel