[Intel-gfx] [RFC PATCH 4/4] drm/i915: push DDI FDI link training on enable to CRT encoder

[Daniel Vetter]

On Wed, Jul 12, 2017 at 05:08:53PM +0300, Jani Nikula wrote:
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/intel_crt.c     | 2 ++
>  drivers/gpu/drm/i915/intel_display.c | 3 ---
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
> index c5e5fda91412..5d76fb5c9885 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -266,6 +266,8 @@ static void hsw_pre_enable_crt(struct intel_encoder *encoder,
>  	WARN_ON(!intel_crtc->config->has_pch_encoder);
>  
>  	intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
> +
> +	dev_priv->display.fdi_link_train(intel_crtc, pipe_config);
>  }
>  
>  static void intel_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 9e074310f161..449a956c779f 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5381,9 +5381,6 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
>  
>  	intel_encoders_pre_enable(crtc, pipe_config, old_state);
>  
> -	if (intel_crtc->config->has_pch_encoder)
> -		dev_priv->display.fdi_link_train(intel_crtc, pipe_config);
> -
>  	if (!transcoder_is_dsi(cpu_transcoder))
>  		intel_ddi_enable_pipe_clock(pipe_config);
>  
> -- 
> 2.11.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch