Re: [PATCH 1/5] drm/i915: Use local variable for SSEU info in GETPARAM ioctl

[Jani Nikula <jani.nikula@linux.intel.com>]

On Mon, 29 Apr 2019, Stuart Summers <stuart.summers@intel.com> wrote:
> In the GETPARAM ioctl handler, use a local variable to consolidate
> usage of SSEU runtime info.
>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> Signed-off-by: Stuart Summers <stuart.summers@intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index aacc8dd6ecfd..b6ce7580d414 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -321,6 +321,7 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data,
>  {
>  	struct drm_i915_private *dev_priv = to_i915(dev);
>  	struct pci_dev *pdev = dev_priv->drm.pdev;
> +	struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;

const?

>  	drm_i915_getparam_t *param = data;
>  	int value;
>  
> @@ -374,12 +375,12 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data,
>  		value = i915_cmd_parser_get_version(dev_priv);
>  		break;
>  	case I915_PARAM_SUBSLICE_TOTAL:
> -		value = sseu_subslice_total(&RUNTIME_INFO(dev_priv)->sseu);
> +		value = sseu_subslice_total(sseu);
>  		if (!value)
>  			return -ENODEV;
>  		break;
>  	case I915_PARAM_EU_TOTAL:
> -		value = RUNTIME_INFO(dev_priv)->sseu.eu_total;
> +		value = sseu->eu_total;
>  		if (!value)
>  			return -ENODEV;
>  		break;
> @@ -396,7 +397,7 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data,
>  		value = HAS_POOLED_EU(dev_priv);
>  		break;
>  	case I915_PARAM_MIN_EU_IN_POOL:
> -		value = RUNTIME_INFO(dev_priv)->sseu.min_eu_in_pool;
> +		value = sseu->min_eu_in_pool;
>  		break;
>  	case I915_PARAM_HUC_STATUS:
>  		value = intel_huc_check_status(&dev_priv->huc);
> @@ -446,12 +447,12 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data,
>  		value = intel_engines_has_context_isolation(dev_priv);
>  		break;
>  	case I915_PARAM_SLICE_MASK:
> -		value = RUNTIME_INFO(dev_priv)->sseu.slice_mask;
> +		value = sseu->slice_mask;
>  		if (!value)
>  			return -ENODEV;
>  		break;
>  	case I915_PARAM_SUBSLICE_MASK:
> -		value = RUNTIME_INFO(dev_priv)->sseu.subslice_mask[0];
> +		value = sseu->subslice_mask[0];
>  		if (!value)
>  			return -ENODEV;
>  		break;

-- 
Jani Nikula, Intel Open Source Graphics Center
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