On Thu, Mar 22, 2018 at 05:22:57PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Instead of assigning the plane->fb pointer and clearing the fb pointer
> to hand over the reference, let's just do it by grabbing another
> referece for plane->fb and let fb keep its original one.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_plane.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index bedceca7dd06..008f9456a5e8 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -1084,8 +1084,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
> plane->old_fb = NULL;
> } else {
> plane->fb = fb;
> - /* Unref only the old framebuffer. */
> - fb = NULL;
> + drm_framebuffer_get(fb);
> }
>
> out:
> --
> 2.16.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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