[Intel-gfx] [PATCH 2/4] drm/i915: Introduce HAS_SAGV()

[Jani Nikula]

On Tue, 31 Jan 2023, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Introuce a HAS_SAGV() macro to answer the question whether
> the platform in general supports SAGV. intel_has_sagv() will
> keep on giving us the more specific answer whether the current
> device supports SAGV or not.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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

> ---
>  drivers/gpu/drm/i915/display/skl_watermark.c | 6 +++---
>  drivers/gpu/drm/i915/i915_drv.h              | 3 ++-
>  2 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
> index 0c605034356f..5916694f147c 100644
> --- a/drivers/gpu/drm/i915/display/skl_watermark.c
> +++ b/drivers/gpu/drm/i915/display/skl_watermark.c
> @@ -64,7 +64,7 @@ static bool skl_needs_memory_bw_wa(struct drm_i915_private *i915)
>  static bool
>  intel_has_sagv(struct drm_i915_private *i915)
>  {
> -	return DISPLAY_VER(i915) >= 9 && !IS_LP(i915) &&
> +	return HAS_SAGV(i915) &&
>  		i915->display.sagv.status != I915_SAGV_NOT_CONTROLLED;
>  }
>  
> @@ -92,7 +92,7 @@ intel_sagv_block_time(struct drm_i915_private *i915)
>  		return val;
>  	} else if (DISPLAY_VER(i915) == 11) {
>  		return 10;
> -	} else if (DISPLAY_VER(i915) == 9 && !IS_LP(i915)) {
> +	} else if (HAS_SAGV(i915)) {
>  		return 30;
>  	} else {
>  		return 0;
> @@ -101,7 +101,7 @@ intel_sagv_block_time(struct drm_i915_private *i915)
>  
>  static void intel_sagv_init(struct drm_i915_private *i915)
>  {
> -	if (!intel_has_sagv(i915))
> +	if (!HAS_SAGV(i915))
>  		i915->display.sagv.status = I915_SAGV_NOT_CONTROLLED;
>  
>  	/*
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index a0dcf3352b66..0393273faa09 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -863,7 +863,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>   */
>  #define HAS_64K_PAGES(dev_priv) (INTEL_INFO(dev_priv)->has_64k_pages)
>  
> -#define HAS_IPC(dev_priv)		 (INTEL_INFO(dev_priv)->display.has_ipc)
> +#define HAS_IPC(dev_priv)		(INTEL_INFO(dev_priv)->display.has_ipc)
> +#define HAS_SAGV(dev_priv)		(DISPLAY_VER(dev_priv) >= 9 && !IS_LP(dev_priv))
>  
>  #define HAS_REGION(i915, i) (RUNTIME_INFO(i915)->memory_regions & (i))
>  #define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM)

-- 
Jani Nikula, Intel Open Source Graphics Center