Re: [PATCH] drm/i915/display: Pass drm_i915_private as param to i915 funcs

[Andrzej Hajda <andrzej.hajda@xxxxxxxxx>]

On 24.01.2023 15:17, Nirmoy Das wrote:
> For i915 functions pass struct drm_i915_private directly instead of
> struct drm_device.
>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Suggested-by: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> Reviewed-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
> ---
>   drivers/gpu/drm/i915/display/intel_display.c | 2 +-
>   drivers/gpu/drm/i915/display/intel_fbdev.c   | 8 ++++----
>   drivers/gpu/drm/i915/display/intel_fbdev.h   | 8 ++++----
>   drivers/gpu/drm/i915/i915_driver.c           | 4 +++-
>   4 files changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index e37cca6b18c6..b014d8626ef7 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -9004,7 +9004,7 @@ void intel_display_driver_register(struct drm_i915_private *i915)
>   	 * enabled. We do it last so that the async config cannot run
>   	 * before the connectors are registered.
>   	 */
> -	intel_fbdev_initial_config_async(&i915->drm);
> +	intel_fbdev_initial_config_async(i915);
>   
>   	/*
>   	 * We need to coordinate the hotplugs with the asynchronous
> diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
> index 19f3b5d92a55..c2c52f8e5887 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
> @@ -547,9 +547,9 @@ static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
>   		intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
>   }
>   
> -void intel_fbdev_initial_config_async(struct drm_device *dev)
> +void intel_fbdev_initial_config_async(struct drm_i915_private *dev_priv)
>   {
> -	struct intel_fbdev *ifbdev = to_i915(dev)->display.fbdev.fbdev;
> +	struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
>   
>   	if (!ifbdev)
>   		return;
> @@ -686,9 +686,9 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev)
>   		drm_fb_helper_hotplug_event(&ifbdev->helper);
>   }
>   
> -void intel_fbdev_restore_mode(struct drm_device *dev)
> +void intel_fbdev_restore_mode(struct drm_i915_private *dev_priv)
>   {
> -	struct intel_fbdev *ifbdev = to_i915(dev)->display.fbdev.fbdev;
> +	struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
>   
>   	if (!ifbdev)
>   		return;
> diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.h b/drivers/gpu/drm/i915/display/intel_fbdev.h
> index 0e95e9472fa3..04fd523a5023 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbdev.h
> +++ b/drivers/gpu/drm/i915/display/intel_fbdev.h
> @@ -15,12 +15,12 @@ struct intel_framebuffer;
>   
>   #ifdef CONFIG_DRM_FBDEV_EMULATION
>   int intel_fbdev_init(struct drm_device *dev);
> -void intel_fbdev_initial_config_async(struct drm_device *dev);
> +void intel_fbdev_initial_config_async(struct drm_i915_private *dev_priv);
>   void intel_fbdev_unregister(struct drm_i915_private *dev_priv);
>   void intel_fbdev_fini(struct drm_i915_private *dev_priv);
>   void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous);
>   void intel_fbdev_output_poll_changed(struct drm_device *dev);
> -void intel_fbdev_restore_mode(struct drm_device *dev);
> +void intel_fbdev_restore_mode(struct drm_i915_private *dev_priv);
>   struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev);
>   #else
>   static inline int intel_fbdev_init(struct drm_device *dev)
> @@ -28,7 +28,7 @@ static inline int intel_fbdev_init(struct drm_device *dev)
>   	return 0;
>   }
>   
> -static inline void intel_fbdev_initial_config_async(struct drm_device *dev)
> +static inline void intel_fbdev_initial_config_async(struct drm_i915_private *dev_priv)
>   {
>   }
>   
> @@ -48,7 +48,7 @@ static inline void intel_fbdev_output_poll_changed(struct drm_device *dev)
>   {
>   }
>   
> -static inline void intel_fbdev_restore_mode(struct drm_device *dev)
> +static inline void intel_fbdev_restore_mode(struct drm_i915_private *i915)
>   {
>   }
>   static inline struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev)
> diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
> index 6469c7c1e154..cd6069c1762d 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -1071,7 +1071,9 @@ static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
>    */
>   static void i915_driver_lastclose(struct drm_device *dev)
>   {
> -	intel_fbdev_restore_mode(dev);
> +	struct drm_i915_private *i915 = to_i915(dev);
> +
> +	intel_fbdev_restore_mode(i915);

You could use to_i915(dev) without alias.

Reviewed-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>

Regards
Andrzej

>   
>   	vga_switcheroo_process_delayed_switch();
>   }