Re: [Intel-gfx] [PATCH v18 3/8] drm/i915: Add intel_bw_get_*_state helpers

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Mon, Feb 24, 2020 at 05:32:35PM +0200, Stanislav Lisovskiy wrote:
> Add correspondent helpers to be able to get old/new bandwidth
> global state object.
> 
> v2: - Fixed typo in function call
> v3: - Changed new functions naming to use convention proposed
>       by Jani Nikula, i.e intel_bw_* in intel_bw.c file.

And now they no longer match the naming pattern used by all the
other simialr functions.

> 
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_bw.c | 33 ++++++++++++++++++++++---
>  drivers/gpu/drm/i915/display/intel_bw.h |  9 +++++++
>  2 files changed, 39 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
> index 58b264bc318d..bdad7476dc7b 100644
> --- a/drivers/gpu/drm/i915/display/intel_bw.c
> +++ b/drivers/gpu/drm/i915/display/intel_bw.c
> @@ -374,8 +374,35 @@ static unsigned int intel_bw_data_rate(struct drm_i915_private *dev_priv,
>  	return data_rate;
>  }
>  
> -static struct intel_bw_state *
> -intel_atomic_get_bw_state(struct intel_atomic_state *state)
> +struct intel_bw_state *
> +intel_bw_get_old_state(struct intel_atomic_state *state)
> +{
> +	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> +	struct intel_global_state *bw_state;
> +
> +	bw_state = intel_atomic_get_old_global_obj_state(state, &dev_priv->bw_obj);
> +	if (IS_ERR(bw_state))
> +		return ERR_CAST(bw_state);
> +
> +	return to_intel_bw_state(bw_state);
> +}
> +
> +struct intel_bw_state *
> +intel_bw_get_new_state(struct intel_atomic_state *state)
> +{
> +	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> +	struct intel_global_state *bw_state;
> +
> +	bw_state = intel_atomic_get_new_global_obj_state(state, &dev_priv->bw_obj);
> +
> +	if (IS_ERR(bw_state))
> +		return ERR_CAST(bw_state);
> +
> +	return to_intel_bw_state(bw_state);
> +}
> +
> +struct intel_bw_state *
> +intel_bw_get_state(struct intel_atomic_state *state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
>  	struct intel_global_state *bw_state;
> @@ -420,7 +447,7 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
>  		    old_active_planes == new_active_planes)
>  			continue;
>  
> -		bw_state  = intel_atomic_get_bw_state(state);
> +		bw_state  = intel_bw_get_state(state);
>  		if (IS_ERR(bw_state))
>  			return PTR_ERR(bw_state);
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
> index a8aa7624c5aa..b5f61463922f 100644
> --- a/drivers/gpu/drm/i915/display/intel_bw.h
> +++ b/drivers/gpu/drm/i915/display/intel_bw.h
> @@ -24,6 +24,15 @@ struct intel_bw_state {
>  
>  #define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
>  
> +struct intel_bw_state *
> +intel_bw_get_old_state(struct intel_atomic_state *state);
> +
> +struct intel_bw_state *
> +intel_bw_get_new_state(struct intel_atomic_state *state);
> +
> +struct intel_bw_state *
> +intel_bw_get_state(struct intel_atomic_state *state);
> +
>  void intel_bw_init_hw(struct drm_i915_private *dev_priv);
>  int intel_bw_init(struct drm_i915_private *dev_priv);
>  int intel_bw_atomic_check(struct intel_atomic_state *state);
> -- 
> 2.24.1.485.gad05a3d8e5

-- 
Ville Syrjälä
Intel
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