[PATCH 1/4] drm/plane: Remove drm_plane_init()

[jyri.sarha at iki.fi]

September 9, 2022 at 1:59 PM, "Thomas Zimmermann" <tzimmermann at suse.de mailto:tzimmermann at suse.de?to=%22Thomas%20Zimmermann%22%20%3Ctzimmermann%40suse.de%3E > wrote:

> 
> Open-code drm_plane_init() and remove the function from DRM. The
> implementation of drm_plane_init() is a simple wrapper around a call
> to drm_universal_plane_init(), so drivers can just use that instead.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>

Acked-by: Jyri Sarha <jyri.sarha at iki.fi>

> ---
> drivers/gpu/drm/drm_modeset_helper.c | 3 +-
> drivers/gpu/drm/drm_plane.c | 32 ----------------------
> drivers/gpu/drm/nouveau/dispnv04/overlay.c | 13 +++++----
> drivers/gpu/drm/shmobile/shmob_drm_plane.c | 7 +++--
> drivers/gpu/drm/tilcdc/tilcdc_plane.c | 9 +++---
> include/drm/drm_plane.h | 8 +-----
> 6 files changed, 17 insertions(+), 55 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c
> index bd609a978848..611dd01fb604 100644
> --- a/drivers/gpu/drm/drm_modeset_helper.c
> +++ b/drivers/gpu/drm/drm_modeset_helper.c
> @@ -100,8 +100,7 @@ EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct);
> * This is the minimal list of formats that seem to be safe for modeset use
> * with all current DRM drivers. Most hardware can actually support more
> * formats than this and drivers may specify a more accurate list when
> - * creating the primary plane. However drivers that still call
> - * drm_plane_init() will use this minimal format list as the default.
> + * creating the primary plane.
> */
> static const uint32_t safe_modeset_formats[] = {
>  DRM_FORMAT_XRGB8888,
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index 726f2f163c26..0f14b4d3bb10 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -482,38 +482,6 @@ void drm_plane_unregister_all(struct drm_device *dev)
>  }
> }
> 
> -/**
> - * drm_plane_init - Initialize a legacy plane
> - * @dev: DRM device
> - * @plane: plane object to init
> - * @possible_crtcs: bitmask of possible CRTCs
> - * @funcs: callbacks for the new plane
> - * @formats: array of supported formats (DRM_FORMAT\_\*)
> - * @format_count: number of elements in @formats
> - * @is_primary: plane type (primary vs overlay)
> - *
> - * Legacy API to initialize a DRM plane.
> - *
> - * New drivers should call drm_universal_plane_init() instead.
> - *
> - * Returns:
> - * Zero on success, error code on failure.
> - */
> -int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
> - uint32_t possible_crtcs,
> - const struct drm_plane_funcs *funcs,
> - const uint32_t *formats, unsigned int format_count,
> - bool is_primary)
> -{
> - enum drm_plane_type type;
> -
> - type = is_primary ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
> - return drm_universal_plane_init(dev, plane, possible_crtcs, funcs,
> - formats, format_count,
> - NULL, type, NULL);
> -}
> -EXPORT_SYMBOL(drm_plane_init);
> -
> /**
> * drm_plane_cleanup - Clean up the core plane usage
> * @plane: plane to cleanup
> diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> index 37e63e98cd08..33f29736024a 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> @@ -296,9 +296,10 @@ nv10_overlay_init(struct drm_device *device)
>  break;
>  }
> 
> - ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
> - &nv10_plane_funcs,
> - formats, num_formats, false);
> + ret = drm_universal_plane_init(device, &plane->base, 3 /* both crtc's */,
> + &nv10_plane_funcs,
> + formats, num_formats, NULL,
> + DRM_PLANE_TYPE_OVERLAY, NULL);
>  if (ret)
>  goto err;
> 
> @@ -475,9 +476,9 @@ nv04_overlay_init(struct drm_device *device)
>  if (!plane)
>  return;
> 
> - ret = drm_plane_init(device, &plane->base, 1 /* single crtc */,
> - &nv04_plane_funcs,
> - formats, 2, false);
> + ret = drm_universal_plane_init(device, &plane->base, 1 /* single crtc */,
> + &nv04_plane_funcs, formats, 2, NULL,
> + DRM_PLANE_TYPE_OVERLAY, NULL);
>  if (ret)
>  goto err;
> 
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> index 54228424793a..6c5f0cbe7d95 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_plane.c
> @@ -252,9 +252,10 @@ int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index)
>  splane->index = index;
>  splane->alpha = 255;
> 
> - ret = drm_plane_init(sdev->ddev, &splane->plane, 1,
> - &shmob_drm_plane_funcs, formats,
> - ARRAY_SIZE(formats), false);
> + ret = drm_universal_plane_init(sdev->ddev, &splane->plane, 1,
> + &shmob_drm_plane_funcs,
> + formats, ARRAY_SIZE(formats), NULL,
> + DRM_PLANE_TYPE_OVERLAY, NULL);
> 
>  return ret;
> }
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_plane.c b/drivers/gpu/drm/tilcdc/tilcdc_plane.c
> index 0ccf791301cb..cf77a8ce7398 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_plane.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_plane.c
> @@ -105,11 +105,10 @@ int tilcdc_plane_init(struct drm_device *dev,
>  struct tilcdc_drm_private *priv = dev->dev_private;
>  int ret;
> 
> - ret = drm_plane_init(dev, plane, 1,
> - &tilcdc_plane_funcs,
> - priv->pixelformats,
> - priv->num_pixelformats,
> - true);
> + ret = drm_universal_plane_init(dev, plane, 1, &tilcdc_plane_funcs,
> + priv->pixelformats,
> + priv->num_pixelformats,
> + NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
>  if (ret) {
>  dev_err(dev->dev, "Failed to initialize plane: %d\n", ret);
>  return ret;
> diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
> index 89ea54652e87..910cb941f3d5 100644
> --- a/include/drm/drm_plane.h
> +++ b/include/drm/drm_plane.h
> @@ -631,7 +631,7 @@ struct drm_plane {
>  unsigned int format_count;
>  /**
>  * @format_default: driver hasn't supplied supported formats for the
> - * plane. Used by the drm_plane_init compatibility wrapper only.
> + * plane. Used by the non-atomic driver compatibility wrapper only.
>  */
>  bool format_default;
> 
> @@ -762,12 +762,6 @@ int drm_universal_plane_init(struct drm_device *dev,
>  const uint64_t *format_modifiers,
>  enum drm_plane_type type,
>  const char *name, ...);
> -int drm_plane_init(struct drm_device *dev,
> - struct drm_plane *plane,
> - uint32_t possible_crtcs,
> - const struct drm_plane_funcs *funcs,
> - const uint32_t *formats, unsigned int format_count,
> - bool is_primary);
> void drm_plane_cleanup(struct drm_plane *plane);
> 
> __printf(10, 11)
> -- 
> 2.37.2
>