On Wed, Feb 15, 2023 at 04:19:07PM +0200, Jani Nikula wrote:
> The sanitization should be limited to PCH split platforms up to display
> version 8. Warn and bail out otherwise.
> 
> Signed-off-by: Jani Nikula <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/i9xx_wm.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/i9xx_wm.c 
> b/drivers/gpu/drm/i915/display/i9xx_wm.c
> index f76ac64ebd71..50cdfe11192e 100644
> --- a/drivers/gpu/drm/i915/display/i9xx_wm.c
> +++ b/drivers/gpu/drm/i915/display/i9xx_wm.c
> @@ -3437,6 +3437,9 @@ void ilk_wm_sanitize(struct drm_i915_private *dev_priv)
>       if (!dev_priv->display.funcs.wm->optimize_watermarks)
>               return;
>  
> +     if (drm_WARN_ON(&dev_priv->drm, DISPLAY_VER(dev_priv) >= 9))
> +             return;
> +

Oh you put it here. I guess that works too, though still
a bit confusing that we call an ilk_ thing on skl+.

Whatever you decide
Reviewed-by: Ville Syrjälä <[email protected]>

>       state = drm_atomic_state_alloc(&dev_priv->drm);
>       if (drm_WARN_ON(&dev_priv->drm, !state))
>               return;
> -- 
> 2.34.1

-- 
Ville Syrjälä
Intel

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