[PATCH 2/2] drm/i915/gvt: Add GVT suspend/resume routine to i915.

[Zhenyu Wang]

On 2020.05.18 14:28:52 +0800, Colin Xu wrote:
> Add GVT suspend/resume routine to i915.
> GVT relies on i915 so suspend ahead of other i915 routine, and resume
> at last vice versa.
> 
> Signed-off-by: Hang Yuan <hang.yuan at linux.intel.com>
> Signed-off-by: Colin Xu <colin.xu at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 34ee12f3f02d..c5d7d58df67e 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -87,6 +87,10 @@
>  #include "intel_pm.h"
>  #include "vlv_suspend.h"
>  
> +#if IS_ENABLED(CONFIG_DRM_I915_GVT)
> +#include "gvt.h"
> +#endif
> +
>  static struct drm_driver driver;
>  
>  static int i915_get_bridge_dev(struct drm_i915_private *dev_priv)
> @@ -1177,6 +1181,11 @@ static int i915_drm_suspend(struct drm_device *dev)
>  
>  	drm_kms_helper_poll_disable(dev);
>  
> +#if IS_ENABLED(CONFIG_DRM_I915_GVT)
> +	if (dev_priv->gvt)
> +		intel_gvt_pm_suspend(dev_priv->gvt);
> +#endif
> +
>  	pci_save_state(pdev);
>  
>  	intel_display_suspend(dev);
> @@ -1354,6 +1363,12 @@ static int i915_drm_resume(struct drm_device *dev)
>  
>  	intel_power_domains_enable(dev_priv);
>  
> +#if IS_ENABLED(CONFIG_DRM_I915_GVT)
> +	if (dev_priv->gvt) {

intel_gvt_active()

> +		return intel_gvt_pm_resume(dev_priv->gvt);
> +	}
> +#endif
> +
>  	enable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
>

Just wrap this in intel_gvt.c/.h which is i915 gvt host side caller, then
i915 code just call intel_gvt_pm_suspend/resume().

>  	return 0;
> -- 
> 2.26.2
> 
> _______________________________________________
> intel-gvt-dev mailing list
> intel-gvt-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gvt-dev

-- 
Open Source Technology Center, Intel ltd.

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