On Wed, Sep 19, 2018 at 03:56:32PM +0200, Maarten Lankhorst wrote:
> This will only disable planes we actually had marked as visible in
> crtc_state->visible_planes and cleans up intel_crtc_disable_plane()
> slightly.
> 
> This is also useful for when we start enabling NV12 support, in which
> we will make the separate Y plane visible, but ignore the Y plane's state.
> 
> Signed-off-by: Maarten Lankhorst <[email protected]>

Reviewed-by: Matt Roper <[email protected]>

> ---
>  drivers/gpu/drm/i915/intel_display.c | 29 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index 7a7ff1d76031..f7982f18b8fe 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5402,24 +5402,23 @@ static void intel_pre_plane_update(struct 
> intel_crtc_state *old_crtc_state,
>               intel_update_watermarks(crtc);
>  }
>  
> -static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned 
> plane_mask)
> +static void intel_crtc_disable_planes(struct intel_crtc *crtc, unsigned 
> plane_mask)
>  {
> -     struct drm_device *dev = crtc->dev;
> -     struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> -     struct drm_plane *p;
> -     int pipe = intel_crtc->pipe;
> +     struct drm_device *dev = crtc->base.dev;
> +     struct intel_plane *plane;
> +     unsigned fb_bits = 0;
>  
> -     intel_crtc_dpms_overlay_disable(intel_crtc);
> +     intel_crtc_dpms_overlay_disable(crtc);
>  
> -     drm_for_each_plane_mask(p, dev, plane_mask)
> -             to_intel_plane(p)->disable_plane(to_intel_plane(p), intel_crtc);
> +     for_each_intel_plane_on_crtc(dev, crtc, plane) {
> +             if (plane_mask & BIT(plane->id)) {
> +                     plane->disable_plane(plane, crtc);
>  
> -     /*
> -      * FIXME: Once we grow proper nuclear flip support out of this we need
> -      * to compute the mask of flip planes precisely. For the time being
> -      * consider this a flip to a NULL plane.
> -      */
> -     intel_frontbuffer_flip(to_i915(dev), INTEL_FRONTBUFFER_ALL_MASK(pipe));
> +                     fb_bits |= plane->frontbuffer_bit;
> +             }
> +     }
> +
> +     intel_frontbuffer_flip(to_i915(dev), fb_bits);
>  }
>  
>  static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc,
> @@ -12697,7 +12696,7 @@ static void intel_atomic_commit_tail(struct 
> drm_atomic_state *state)
>               intel_pre_plane_update(old_intel_crtc_state, 
> new_intel_crtc_state);
>  
>               if (old_crtc_state->active) {
> -                     intel_crtc_disable_planes(crtc, 
> old_crtc_state->plane_mask);
> +                     intel_crtc_disable_planes(intel_crtc, 
> old_intel_crtc_state->active_planes);
>  
>                       /*
>                        * We need to disable pipe CRC before disabling the 
> pipe,
> -- 
> 2.18.0
> 
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Matt Roper
Graphics Software Engineer
IoTG Platform Enabling & Development
Intel Corporation
(916) 356-2795
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