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Message-ID: <20200525143428.GG206103@phenom.ffwll.local>
Date:   Mon, 25 May 2020 16:34:28 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     chenxb_99091@....com
Cc:     David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm: fix setting of plane_mask in pan_display_atomic()
 function for linux-4.4

On Sat, May 23, 2020 at 11:49:07AM +0800, chenxb_99091@....com wrote:
> From: Xuebing Chen <chenxb_99091@....com>
> 
> The <include/drm/drm_crtc.h> provides drm_for_each_plane_mask macro and
> plane_mask is defined as bitmask of plane indices, such as
> 1<<drm_plane_index(plane). This patch fixes error setting of plane_mask
> in pan_display_atomic() function.
> 
> Signed-off-by: Xuebing Chen <chenxb_99091@....com>

What kernel is this patch against? Latest upstream doesn't have any such
code anymore ... I'm assuming that Ville fixed this in one of his patches,
but I can't find the right one just now.
-Daniel

> ---
>  drivers/gpu/drm/drm_fb_helper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index e449f22..6a9f7ee 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -1256,7 +1256,7 @@ retry:
>  			goto fail;
>  
>  		plane = mode_set->crtc->primary;
> -		plane_mask |= drm_plane_index(plane);
> +		plane_mask |= 1 << drm_plane_index(plane);
>  		plane->old_fb = plane->fb;
>  	}
>  
> -- 
> 2.7.4
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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