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SubjectRe: [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@126.com wrote:
> From: Xuebing Chen <chenxb_99091@126.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@126.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@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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

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