Hi Laurent,
On 16/08/17 00:03, Laurent Pinchart wrote:
> The plane atomic check implementation is identical on Gen2 (DU planes)
> and Gen3 (VSP planes), but two separate functions exist as they operate
> on different data structures. Refactor the code to share the
> implementation.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
This looks good to me.
Reviewed-by: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 27 +++++++++++++++++----------
> drivers/gpu/drm/rcar-du/rcar_du_plane.h | 4 ++++
> drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 22 +---------------------
> 3 files changed, 22 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> index 61833cc1c699..4f076c364f25 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
> @@ -565,27 +565,26 @@ void __rcar_du_plane_setup(struct rcar_du_group *rgrp,
> }
> }
>
> -static int rcar_du_plane_atomic_check(struct drm_plane *plane,
> - struct drm_plane_state *state)
> +int __rcar_du_plane_atomic_check(struct drm_plane *plane,
> + struct drm_plane_state *state,
> + const struct rcar_du_format_info **format)
> {
> - struct rcar_du_plane_state *rstate = to_rcar_plane_state(state);
> - struct rcar_du_plane *rplane = to_rcar_plane(plane);
> - struct rcar_du_device *rcdu = rplane->group->dev;
> + struct drm_device *dev = plane->dev;
>
> if (!state->fb || !state->crtc) {
> - rstate->format = NULL;
> + *format = NULL;
> return 0;
> }
>
> if (state->src_w >> 16 != state->crtc_w ||
> state->src_h >> 16 != state->crtc_h) {
> - dev_dbg(rcdu->dev, "%s: scaling not supported\n", __func__);
> + dev_dbg(dev->dev, "%s: scaling not supported\n", __func__);
> return -EINVAL;
> }
>
> - rstate->format = rcar_du_format_info(state->fb->format->format);
> - if (rstate->format == NULL) {
> - dev_dbg(rcdu->dev, "%s: unsupported format %08x\n", __func__,
> + *format = rcar_du_format_info(state->fb->format->format);
> + if (*format == NULL) {
> + dev_dbg(dev->dev, "%s: unsupported format %08x\n", __func__,
> state->fb->format->format);
> return -EINVAL;
> }
> @@ -593,6 +592,14 @@ static int rcar_du_plane_atomic_check(struct drm_plane
> *plane,
> return 0;
> }
>
> +static int rcar_du_plane_atomic_check(struct drm_plane *plane,
> + struct drm_plane_state *state)
> +{
> + struct rcar_du_plane_state *rstate = to_rcar_plane_state(state);
> +
> + return __rcar_du_plane_atomic_check(plane, state, &rstate->format);
> +}
> +
> static void rcar_du_plane_atomic_update(struct drm_plane *plane,
> struct drm_plane_state *old_state)
> {
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> index f62e09f195de..890321b4665d 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
> @@ -73,6 +73,10 @@ to_rcar_plane_state(struct drm_plane_state *state)
> int rcar_du_atomic_check_planes(struct drm_device *dev,
> struct drm_atomic_state *state);
>
> +int __rcar_du_plane_atomic_check(struct drm_plane *plane,
> + struct drm_plane_state *state,
> + const struct rcar_du_format_info **format);
> +
> int rcar_du_planes_init(struct rcar_du_group *rgrp);
>
> void __rcar_du_plane_setup(struct rcar_du_group *rgrp,
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> index 2c96147bc444..dd66dcb8da23 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -268,28 +268,8 @@ static int rcar_du_vsp_plane_atomic_check(struct
> drm_plane *plane,
> struct drm_plane_state *state)
> {
> struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
> - struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
> - struct rcar_du_device *rcdu = rplane->vsp->dev;
> -
> - if (!state->fb || !state->crtc) {
> - rstate->format = NULL;
> - return 0;
> - }
>
> - if (state->src_w >> 16 != state->crtc_w ||
> - state->src_h >> 16 != state->crtc_h) {
> - dev_dbg(rcdu->dev, "%s: scaling not supported\n", __func__);
> - return -EINVAL;
> - }
> -
> - rstate->format = rcar_du_format_info(state->fb->format->format);
> - if (rstate->format == NULL) {
> - dev_dbg(rcdu->dev, "%s: unsupported format %08x\n", __func__,
> - state->fb->format->format);
> - return -EINVAL;
> - }
> -
> - return 0;
> + return __rcar_du_plane_atomic_check(plane, state, &rstate->format);
> }
>
> static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
>
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