[Intel-gfx] [PATCH 07/25] drm/i915/display: add intel_fdi_link_train wrapper.

[Jani Nikula]

On Fri, 10 Sep 2021, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This wraps the fdi link training vfunc to make it clearer.
>
> Suggested by Jani.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>


> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 2 +-
>  drivers/gpu/drm/i915/display/intel_fdi.c     | 8 ++++++++
>  drivers/gpu/drm/i915/display/intel_fdi.h     | 2 ++
>  3 files changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 71518e71591b..aa174192c279 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -2156,7 +2156,7 @@ static void ilk_pch_enable(const struct intel_atomic_state *state,
>  	assert_pch_transcoder_disabled(dev_priv, pipe);
>  
>  	/* For PCH output, training FDI link */
> -	dev_priv->display.fdi_link_train(crtc, crtc_state);
> +	intel_fdi_link_train(crtc, crtc_state);
>  
>  	/* We need to program the right clock selection before writing the pixel
>  	 * mutliplier into the DPLL. */
> diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c
> index fc09b781f15f..339243399a65 100644
> --- a/drivers/gpu/drm/i915/display/intel_fdi.c
> +++ b/drivers/gpu/drm/i915/display/intel_fdi.c
> @@ -10,6 +10,14 @@
>  #include "intel_fdi.h"
>  #include "intel_sideband.h"
>  
> +void intel_fdi_link_train(struct intel_crtc *crtc,
> +			  const struct intel_crtc_state *crtc_state)
> +{
> +	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> +
> +	dev_priv->display.fdi_link_train(crtc, crtc_state);
> +}
> +
>  /* units of 100MHz */
>  static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state)
>  {
> diff --git a/drivers/gpu/drm/i915/display/intel_fdi.h b/drivers/gpu/drm/i915/display/intel_fdi.h
> index 60acf2133145..61cb216a09f5 100644
> --- a/drivers/gpu/drm/i915/display/intel_fdi.h
> +++ b/drivers/gpu/drm/i915/display/intel_fdi.h
> @@ -26,4 +26,6 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
>  void intel_fdi_pll_freq_update(struct drm_i915_private *i915);
>  void lpt_fdi_program_mphy(struct drm_i915_private *i915);
>  
> +void intel_fdi_link_train(struct intel_crtc *crtc,
> +			  const struct intel_crtc_state *crtc_state);
>  #endif

-- 
Jani Nikula, Intel Open Source Graphics Center