Re: [PATCH v6 01/12] drm/exynos: atomic phase 1: use drm_plane_helper_update()

[Joonyoung Shim <jy0922.shim@samsung.com>]

On 05/22/2015 05:02 AM, Gustavo Padovan wrote:
> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
> 
> Rip out the check from exynos_update_plane() and create
> exynos_check_plane() for the check phase enabling use to use
> the atomic helpers to call our check and update phases when updating
> planes.
> 
> Update all users of exynos_update_plane() accordingly to call
> exynos_check_plane() before.
> 
> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_crtc.c  | 29 +++++++++++-----------
>  drivers/gpu/drm/exynos/exynos_drm_plane.c | 40 +++++++++++++++++++++++--------
>  drivers/gpu/drm/exynos/exynos_drm_plane.h |  2 +-
>  3 files changed, 46 insertions(+), 25 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> index 9006b94..61b8cfe 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> @@ -116,6 +116,7 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
>  	struct drm_framebuffer *fb = crtc->primary->fb;
>  	unsigned int crtc_w;
>  	unsigned int crtc_h;
> +	int ret;
>  
>  	/* when framebuffer changing is requested, crtc's dpms should be on */
>  	if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
> @@ -123,11 +124,16 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
>  		return -EPERM;
>  	}
>  
> +	ret = exynos_check_plane(crtc->primary, fb);
> +	if (ret)
> +		return ret;
> +
>  	crtc_w = fb->width - x;
>  	crtc_h = fb->height - y;
> +	exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
> +			    crtc_w, crtc_h, x, y, crtc_w, crtc_h);
>  
> -	return exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
> -				   crtc_w, crtc_h, x, y, crtc_w, crtc_h);

I still think to need "[PATCH] drm/exynos: fix source data argument for
plane" before merged atomic patches for bisect.

http://lists.freedesktop.org/archives/dri-devel/2015-April/081368.html

Thanks.
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