Hi Laurent,
On Sat, Dec 05, 2020 at 12:01:37AM +0200, Laurent Pinchart wrote:
> Now that drm_device is embedded in rcar_du_device, we can use
> container_of to get the rcar_du_device pointer from the drm_device,
> instead of using the drm_device.dev_private field.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
De gustibus non est disputandum
Reviewed-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
Thanks
j
> ---
> drivers/gpu/drm/rcar-du/rcar_du_drv.c | 2 --
> drivers/gpu/drm/rcar-du/rcar_du_drv.h | 5 +++++
> drivers/gpu/drm/rcar-du/rcar_du_kms.c | 8 ++++----
> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 2 +-
> 4 files changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index 4ab99ac49891..d6a8b7899952 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -587,8 +587,6 @@ static int rcar_du_probe(struct platform_device *pdev)
> return PTR_ERR(rcdu->mmio);
>
> /* DRM/KMS objects */
> - rcdu->ddev.dev_private = rcdu;
> -
> ret = rcar_du_modeset_init(rcdu);
> if (ret < 0) {
> if (ret != -EPROBE_DEFER)
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> index e5b6f456357e..98d6bac3f2fa 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> @@ -102,6 +102,11 @@ struct rcar_du_device {
> unsigned int vspd1_sink;
> };
>
> +static inline struct rcar_du_device *to_rcar_du_device(struct drm_device
> *dev)
> +{
> + return container_of(dev, struct rcar_du_device, ddev);
> +}
> +
> static inline bool rcar_du_has(struct rcar_du_device *rcdu,
> unsigned int feature)
> {
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> index 57bb0dc22807..d6b71a9361ca 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> @@ -327,7 +327,7 @@ const struct rcar_du_format_info *rcar_du_format_info(u32
> fourcc)
> int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev,
> struct drm_mode_create_dumb *args)
> {
> - struct rcar_du_device *rcdu = dev->dev_private;
> + struct rcar_du_device *rcdu = to_rcar_du_device(dev);
> unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
> unsigned int align;
>
> @@ -349,7 +349,7 @@ static struct drm_framebuffer *
> rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
> const struct drm_mode_fb_cmd2 *mode_cmd)
> {
> - struct rcar_du_device *rcdu = dev->dev_private;
> + struct rcar_du_device *rcdu = to_rcar_du_device(dev);
> const struct rcar_du_format_info *format;
> unsigned int chroma_pitch;
> unsigned int max_pitch;
> @@ -421,7 +421,7 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file
> *file_priv,
> static int rcar_du_atomic_check(struct drm_device *dev,
> struct drm_atomic_state *state)
> {
> - struct rcar_du_device *rcdu = dev->dev_private;
> + struct rcar_du_device *rcdu = to_rcar_du_device(dev);
> int ret;
>
> ret = drm_atomic_helper_check(dev, state);
> @@ -437,7 +437,7 @@ static int rcar_du_atomic_check(struct drm_device *dev,
> static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
> {
> struct drm_device *dev = old_state->dev;
> - struct rcar_du_device *rcdu = dev->dev_private;
> + struct rcar_du_device *rcdu = to_rcar_du_device(dev);
> struct drm_crtc_state *crtc_state;
> struct drm_crtc *crtc;
> unsigned int i;
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> index 5f69ff4502c1..02e5f11f38eb 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> @@ -128,7 +128,7 @@ static int rcar_du_plane_hwalloc(struct rcar_du_plane
> *plane,
> int rcar_du_atomic_check_planes(struct drm_device *dev,
> struct drm_atomic_state *state)
> {
> - struct rcar_du_device *rcdu = dev->dev_private;
> + struct rcar_du_device *rcdu = to_rcar_du_device(dev);
> unsigned int group_freed_planes[RCAR_DU_MAX_GROUPS] = { 0, };
> unsigned int group_free_planes[RCAR_DU_MAX_GROUPS] = { 0, };
> bool needs_realloc = false;
> --
> Regards,
>
> Laurent Pinchart
>
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