[Intel-gfx] [PATCH v2] drm/i915: Speed up DMC firmware loading

[Chris Wilson]

Quoting David Weinehall (2017-09-04 19:38:04)
> v2: Per feedback from Chris & Ville there's no need to do the whole
>     forcewake dance, so lose that bit (Chris, Ville)

> @@ -251,9 +253,20 @@ void intel_csr_load_program(struct drm_i915_private *dev_priv)
>                 return;
>         }
>  
> +       fw_domains = intel_uncore_forcewake_for_reg(dev_priv,
> +                                                   CSR_PROGRAM(0),
> +                                                   FW_REG_WRITE);
> +
>         fw_size = dev_priv->csr.dmc_fw_size;
> +       assert_rpm_wakelock_held(dev_priv);
> +       spin_lock_irqsave(&dev_priv->uncore.lock, flags);
> +       intel_uncore_forcewake_get__locked(dev_priv, fw_domains);

Still there!
-Chris