On Fri, 2014-03-07 at 20:12 -0300, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> We're adding runtime suspend support to more platforms, so organize
> the code in a way that all a new platform needs to do is to add its
> own gen-specific functions. Also rename the i915_ functions to intel_
> to make it clear that it's the top level one, not something that just
> runs on i915 platforms.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 32 ++++++++++++++++++++++++--------
> 1 file changed, 24 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 74f7a91..f75d776 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -832,7 +832,23 @@ static int i915_pm_poweroff(struct device *dev)
> return i915_drm_freeze(drm_dev);
> }
>
> -static int i915_runtime_suspend(struct device *device)
> +static void hsw_runtime_suspend(struct drm_i915_private *dev_priv)
> +{
> + struct drm_device *dev = dev_priv->dev;
> +
> + if (HAS_PC8(dev))
> + hsw_enable_pc8(dev_priv);
> +}
> +
> +static void hsw_runtime_resume(struct drm_i915_private *dev_priv)
> +{
> + struct drm_device *dev = dev_priv->dev;
> +
> + if (HAS_PC8(dev))
> + hsw_disable_pc8(dev_priv);
> +}
> +
> +static int intel_runtime_suspend(struct device *device)
> {
> struct pci_dev *pdev = to_pci_dev(device);
> struct drm_device *dev = pci_get_drvdata(pdev);
> @@ -843,8 +859,8 @@ static int i915_runtime_suspend(struct device *device)
>
> DRM_DEBUG_KMS("Suspending device\n");
>
> - if (HAS_PC8(dev))
> - hsw_enable_pc8(dev_priv);
> + if (IS_HASWELL(dev))
> + hsw_runtime_suspend(dev_priv);
>
> i915_gem_release_all_mmaps(dev_priv);
>
> @@ -864,7 +880,7 @@ static int i915_runtime_suspend(struct device *device)
> return 0;
> }
>
> -static int i915_runtime_resume(struct device *device)
> +static int intel_runtime_resume(struct device *device)
> {
> struct pci_dev *pdev = to_pci_dev(device);
> struct drm_device *dev = pci_get_drvdata(pdev);
> @@ -877,8 +893,8 @@ static int i915_runtime_resume(struct device *device)
> intel_opregion_notify_adapter(dev, PCI_D0);
> dev_priv->pm.suspended = false;
>
> - if (HAS_PC8(dev))
> - hsw_disable_pc8(dev_priv);
> + if (IS_HASWELL(dev))
> + hsw_runtime_resume(dev_priv);
>
> DRM_DEBUG_KMS("Device resumed\n");
> return 0;
> @@ -891,8 +907,8 @@ static const struct dev_pm_ops i915_pm_ops = {
> .thaw = i915_pm_thaw,
> .poweroff = i915_pm_poweroff,
> .restore = i915_pm_resume,
> - .runtime_suspend = i915_runtime_suspend,
> - .runtime_resume = i915_runtime_resume,
> + .runtime_suspend = intel_runtime_suspend,
> + .runtime_resume = intel_runtime_resume,
> };
>
> static const struct vm_operations_struct i915_gem_vm_ops = {
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