On Wed, Jul 12, 2017 at 05:08:51PM +0300, Jani Nikula wrote:
> Signed-off-by: Jani Nikula <[email protected]>
> ---
>  drivers/gpu/drm/i915/intel_crt.c     | 14 ++++++++++++++
>  drivers/gpu/drm/i915/intel_display.c |  8 --------
>  2 files changed, 14 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_crt.c 
> b/drivers/gpu/drm/i915/intel_crt.c
> index 82bd149889ee..c5e5fda91412 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -204,6 +204,16 @@ static void pch_disable_crt(struct intel_encoder 
> *encoder,
>                           struct intel_crtc_state *old_crtc_state,
>                           struct drm_connector_state *old_conn_state)
>  {
> +     struct drm_crtc *crtc = old_crtc_state->base.crtc;
> +     struct drm_i915_private *dev_priv = to_i915(crtc->dev);
> +     struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> +
> +     if (HAS_DDI(dev_priv)) {
> +             WARN_ON(!intel_crtc->config->has_pch_encoder);
> +
> +             intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
> +                                                   false);
> +     }
>  }

Same comments about just going with hsw_ variants for these, especially
when the pch one is empty (nuke that one maybe?). With that:

Reviewed-by: Daniel Vetter <[email protected]>

>  
>  static void pch_post_disable_crt(struct intel_encoder *encoder,
> @@ -225,6 +235,10 @@ static void hsw_post_disable_crt(struct intel_encoder 
> *encoder,
>       lpt_disable_iclkip(dev_priv);
>  
>       intel_ddi_fdi_post_disable(encoder, old_crtc_state, old_conn_state);
> +
> +     WARN_ON(!old_crtc_state->has_pch_encoder);
> +
> +     intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, true);
>  }
>  
>  static void hsw_pre_pll_enable_crt(struct intel_encoder *encoder,
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index 02448a86edeb..ec6391bdd308 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5516,10 +5516,6 @@ static void haswell_crtc_disable(struct 
> intel_crtc_state *old_crtc_state,
>       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
>       enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
>  
> -     if (intel_crtc->config->has_pch_encoder)
> -             intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
> -                                                   false);
> -
>       intel_encoders_disable(crtc, old_crtc_state, old_state);
>  
>       drm_crtc_vblank_off(crtc);
> @@ -5544,10 +5540,6 @@ static void haswell_crtc_disable(struct 
> intel_crtc_state *old_crtc_state,
>               intel_ddi_disable_pipe_clock(intel_crtc->config);
>  
>       intel_encoders_post_disable(crtc, old_crtc_state, old_state);
> -
> -     if (old_crtc_state->has_pch_encoder)
> -             intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
> -                                                   true);
>  }
>  
>  static void i9xx_pfit_enable(struct intel_crtc *crtc)
> -- 
> 2.11.0
> 
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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