linux-kernel - Re: [PATCH 29/39] drm: renesas: shmobile: Move shmob_drm_crtc_finish_page

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Date:   Fri, 23 Jun 2023 19:53:57 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Magnus Damm <magnus.damm@...il.com>,
        dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 29/39] drm: renesas: shmobile: Move
 shmob_drm_crtc_finish_page_flip()

Hi Geert,

Thank you for the patch.

On Thu, Jun 22, 2023 at 11:21:41AM +0200, Geert Uytterhoeven wrote:
> Move the shmob_drm_crtc_finish_page_flip() function up, to avoid having
> to move it during the modification in the next change.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>

> ---
>  .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 40 +++++++++++--------
>  1 file changed, 24 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> index 2c0ca802d36026f4..1d7fcf64bf2aab80 100644
> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> @@ -270,6 +270,30 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc)
>  	scrtc->started = true;
>  }
>  
> +/* -----------------------------------------------------------------------------
> + * Page Flip
> + */
> +
> +void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc)
> +{
> +	struct drm_pending_vblank_event *event;
> +	struct drm_device *dev = scrtc->base.dev;
> +	unsigned long flags;
> +
> +	spin_lock_irqsave(&dev->event_lock, flags);
> +	event = scrtc->event;
> +	scrtc->event = NULL;
> +	if (event) {
> +		drm_crtc_send_vblank_event(&scrtc->base, event);
> +		drm_crtc_vblank_put(&scrtc->base);
> +	}
> +	spin_unlock_irqrestore(&dev->event_lock, flags);
> +}
> +
> +/* -----------------------------------------------------------------------------
> + * CRTC Functions
> + */
> +
>  static void shmob_drm_crtc_stop(struct shmob_drm_crtc *scrtc)
>  {
>  	struct drm_crtc *crtc = &scrtc->base;
> @@ -412,22 +436,6 @@ static const struct drm_crtc_helper_funcs crtc_helper_funcs = {
>  	.mode_set_base = shmob_drm_crtc_mode_set_base,
>  };
>  
> -void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc)
> -{
> -	struct drm_pending_vblank_event *event;
> -	struct drm_device *dev = scrtc->base.dev;
> -	unsigned long flags;
> -
> -	spin_lock_irqsave(&dev->event_lock, flags);
> -	event = scrtc->event;
> -	scrtc->event = NULL;
> -	if (event) {
> -		drm_crtc_send_vblank_event(&scrtc->base, event);
> -		drm_crtc_vblank_put(&scrtc->base);
> -	}
> -	spin_unlock_irqrestore(&dev->event_lock, flags);
> -}
> -
>  static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc,
>  				    struct drm_framebuffer *fb,
>  				    struct drm_pending_vblank_event *event,

-- 
Regards,

Laurent Pinchart