[Intel-gfx] [PATCH 11/14] drm/i915: Move PFI credit reprogramming into vlv/chv_set_cdclk()

Ander Conselvan De Oliveira conselvan2 at gmail.com
Fri Dec 23 13:49:02 UTC 2016


On Mon, 2016-12-19 at 19:28 +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Move the vlv_program_pfi_credits() into vlv_set_cdclk() and
> chv_set_cdclk() so that we can neuter vlv_modeset_commit_cdclk().
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_cdclk.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_cdclk.c
> b/drivers/gpu/drm/i915/intel_cdclk.c
> index 11a0f3e122c3..fe7a9e3a4f29 100644
> --- a/drivers/gpu/drm/i915/intel_cdclk.c
> +++ b/drivers/gpu/drm/i915/intel_cdclk.c
> @@ -494,6 +494,8 @@ static void vlv_set_cdclk(struct drm_i915_private
> *dev_priv,
>  
>  	mutex_unlock(&dev_priv->sb_lock);
>  
> +	vlv_program_pfi_credits(dev_priv);
> +
>  	intel_update_cdclk(dev_priv);
>  }
>  
> @@ -533,6 +535,8 @@ static void chv_set_cdclk(struct drm_i915_private
> *dev_priv,
>  	}
>  	mutex_unlock(&dev_priv->rps.hw_lock);
>  
> +	vlv_program_pfi_credits(dev_priv);
> +
>  	intel_update_cdclk(dev_priv);

Reviewed-by: Ander Conselvan de Oliveira <conselvan2 at gmail.com>

Can the vlv/chv register write in intel_update_cdclk() be moved to the set_cdclk() funcs too?


>  }
>  
> @@ -1433,7 +1437,6 @@ static void vlv_modeset_commit_cdclk(struct
> drm_atomic_state *old_state)
>  	else
>  		vlv_set_cdclk(dev_priv, &dev_priv->cdclk.actual);
>  
> -	vlv_program_pfi_credits(dev_priv);
>  
>  	intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A);
>  }





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