[PATCH] drm/exynos: use drm_plane_force_disable

[Gustavo Padovan]

Hi Inki,

2015-04-10 Inki Dae <inki.dae at samsung.com>:

> On 2015년 04월 10일 05:25, Gustavo Padovan wrote:
> > Hi Joonyoung,
> > 
> > 2015-04-09 Joonyoung Shim <jy0922.shim at samsung.com>:
> > 
> >> Don't call directly disable callback of plane helper, we need to
> >> disconnect the plane from the fb and crtc after disable callback.
> >>
> >> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> >> ---
> >>  drivers/gpu/drm/exynos/exynos_drm_crtc.c    | 5 +----
> >>  drivers/gpu/drm/exynos/exynos_drm_encoder.c | 2 +-
> >>  2 files changed, 2 insertions(+), 5 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> >> index 519c569..50c830e 100644
> >> --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> >> +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
> >> @@ -48,7 +48,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
> >>  {
> >>  	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
> >>  	struct drm_plane *plane;
> >> -	int ret;
> >>  
> >>  	if (!exynos_crtc->enabled)
> >>  		return;
> >> @@ -69,9 +68,7 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
> >>  		if (plane->crtc != crtc)
> >>  			continue;
> >>  
> >> -		ret = plane->funcs->disable_plane(plane);
> >> -		if (ret)
> >> -			DRM_ERROR("Failed to disable plane %d\n", ret);
> >> +		drm_plane_force_disable(plane);
> >>  	}
> > 
> > Which tree did you based this code? I've removed all this code in atomic.
> > These two pieces of code makes no sense in atomic modesetting, disable would
> > be called from the drm atomic core there.
> 
> Mr. Gustavo,
> 
> Could you check if you have other codes not posted? At least, it seems
> that the codes you posted are same as above.

In fact there was one patch not post. In my head it was just a simple clean up
so I've delayed but I've looked to them again and it exactly the patch you may
need here.

	Gustavo