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Subject: Re: [PATCH 07/14] drm/bochs: atomic: use atomic page_flip helper
To:     Gerd Hoffmann <kraxel@redhat.com>, dri-devel@lists.freedesktop.org,
        David Airlie <airlied@redhat.com>
Cc:     David Airlie <airlied@linux.ie>,
        open list <linux-kernel@vger.kernel.org>,
        "open list:DRM DRIVER FOR BOCHS VIRTUAL GPU" 
        <virtualization@lists.linux-foundation.org>
References: <20181219115127.31359-1-kraxel@redhat.com>
 <20181219115127.31359-8-kraxel@redhat.com>
From:   Oleksandr Andrushchenko <andr2000@gmail.com>
Message-ID: <04c01f61-6d4d-5b4d-7678-4e89311cb2ae@gmail.com>
Date:   Thu, 20 Dec 2018 14:34:14 +0200
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On 12/19/18 1:51 PM, Gerd Hoffmann wrote:
> Conversion to atomic modesetting, step five.
> Use atomic page_flip helper for crtc.
>
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
> ---
>   drivers/gpu/drm/bochs/bochs_kms.c | 23 +----------------------
>   1 file changed, 1 insertion(+), 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
> index dcc8b864fc..9e836386e9 100644
> --- a/drivers/gpu/drm/bochs/bochs_kms.c
> +++ b/drivers/gpu/drm/bochs/bochs_kms.c
> @@ -104,27 +104,6 @@ static void bochs_crtc_commit(struct drm_crtc *crtc)
>   {
>   }
>   
> -static int bochs_crtc_page_flip(struct drm_crtc *crtc,
> -				struct drm_framebuffer *fb,
> -				struct drm_pending_vblank_event *event,
> -				uint32_t page_flip_flags,
> -				struct drm_modeset_acquire_ctx *ctx)
> -{
> -	struct bochs_device *bochs =
> -		container_of(crtc, struct bochs_device, crtc);
> -	struct drm_framebuffer *old_fb = crtc->primary->fb;
> -	unsigned long irqflags;
> -
> -	drm_atomic_set_fb_for_plane(crtc->primary->state, fb);
> -	bochs_crtc_mode_set_base(crtc, 0, 0, old_fb);
> -	if (event) {
> -		spin_lock_irqsave(&bochs->dev->event_lock, irqflags);
> -		drm_crtc_send_vblank_event(crtc, event);
> -		spin_unlock_irqrestore(&bochs->dev->event_lock, irqflags);
> -	}
> -	return 0;
> -}
> -
>   static void bochs_crtc_atomic_enable(struct drm_crtc *crtc,
>   				     struct drm_crtc_state *old_crtc_state)
>   {
> @@ -152,7 +131,7 @@ static void bochs_crtc_atomic_flush(struct drm_crtc *crtc,
>   static const struct drm_crtc_funcs bochs_crtc_funcs = {
>   	.set_config = drm_atomic_helper_set_config,
>   	.destroy = drm_crtc_cleanup,
> -	.page_flip = bochs_crtc_page_flip,
> +	.page_flip = drm_atomic_helper_page_flip,
>   	.reset = drm_atomic_helper_crtc_reset,
>   	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,