Re: [PATCH v7 02/13] drm/exynos: atomic phase 1: use drm_plane_helper_update()

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

On 05/23/2015 12:40 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>
> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
> Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>y
> ---
>  drivers/gpu/drm/exynos/exynos_drm_crtc.c  | 23 ++++++++++++++----
>  drivers/gpu/drm/exynos/exynos_drm_plane.c | 40 +++++++++++++++++++++++--------
>  drivers/gpu/drm/exynos/exynos_drm_plane.h |  2 +-
>  3 files changed, 50 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> index 363b019..27cc450 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) {
> @@ -123,12 +124,17 @@ 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 << 16, y << 16,
> +			    crtc_w << 16, crtc_h << 16);
>  
> -	return exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
> -				   crtc_w, crtc_h, x << 16, y << 16,
> -				   crtc_w << 16, crtc_h << 16);
> +	return 0;
>  }
>  
>  static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
> @@ -165,7 +171,6 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->dev;
>  	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
> -	struct drm_framebuffer *old_fb = crtc->primary->fb;
>  	unsigned int crtc_w, crtc_h;
>  	int ret;
>  
> @@ -184,6 +189,10 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
>  		goto out;
>  	}
>  
> +	ret = exynos_check_plane(crtc->primary, fb);
> +	if (ret)
> +		goto out;
> +
>  	ret = drm_vblank_get(dev, exynos_crtc->pipe);
>  	if (ret) {
>  		DRM_DEBUG("failed to acquire vblank counter\n");
> @@ -202,6 +211,7 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
>  	crtc->primary->fb = fb;
>  	crtc_w = fb->width - crtc->x;
>  	crtc_h = fb->height - crtc->y;
> +<<<<<<< HEAD
>  	ret = exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
>  				  crtc_w, crtc_h, crtc->x << 16, crtc->y << 16,
>  				  crtc_w << 16, crtc_h << 16);
> @@ -213,6 +223,11 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
>  		spin_unlock_irq(&dev->event_lock);
>  		return ret;
>  	}
> +=======
> +	exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
> +			    crtc_w, crtc_h, crtc->x, crtc->y,
> +			    crtc_w, crtc_h);
> +>>>>>>> 2f6d1f4... drm/exynos: atomic phase 1: use drm_plane_helper_update()

Maybe unhandled output of merge, could you fix it?
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