[PATCH] drm: Fix compilation failure

[Sean Paul]

On Mon, Nov 12, 2018 at 10:54 AM Sean Paul <sean at poorly.run> wrote:
>
> From: Sean Paul <seanpaul at chromium.org>
>

Just saw Chris posted a fix to the list, please disregard this.

Sean

> We had competing reverts/disable commits go in that caused issues with
> each other.
>
> Christian committed 783195ec1cad ("drm/syncobj: disable the timeline UAPI for
> now v2"), which moved the CREATE_TYPE_TIMELINE #define internally and added a
> check in drm_syncobj.c. When Eric reverted the entire timeline patch, he cleaned
> up the #define in the new location, but failed to remove the check, causing the
> boom.
>
> The error:
>
> ../drivers/gpu/drm/drm_syncobj.c: In function ‘drm_syncobj_create’:
> ../drivers/gpu/drm/drm_syncobj.c:281:14: error: ‘DRM_SYNCOBJ_CREATE_TYPE_TIMELINE’ undeclared (first use in this function); did you mean ‘DRM_SYNCOBJ_CREATE_SIGNALED’?
>   if (flags & DRM_SYNCOBJ_CREATE_TYPE_TIMELINE)
>               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>               DRM_SYNCOBJ_CREATE_SIGNALED
> ../drivers/gpu/drm/drm_syncobj.c:281:14: note: each undeclared identifier is reported only once for each function it appears in
>
> Fixes: 131280a162e7 ("drm: Revert syncobj timeline changes.")
> Cc: Chunming Zhou <david1.zhou at amd.com>
> Cc: Christian König <christian.koenig at amd.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Eric Anholt <eric at anholt.net>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Maxime Ripard <maxime.ripard at bootlin.com>
> Cc: Sean Paul <sean at poorly.run>
> Cc: David Airlie <airlied at linux.ie>
> Cc: dri-devel at lists.freedesktop.org
> Signed-off-by: Sean Paul <seanpaul at chromium.org>
> ---
>  drivers/gpu/drm/drm_syncobj.c | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
> index 90e0a6dce086..e2c5b3ca4824 100644
> --- a/drivers/gpu/drm/drm_syncobj.c
> +++ b/drivers/gpu/drm/drm_syncobj.c
> @@ -277,10 +277,6 @@ int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
>         int ret;
>         struct drm_syncobj *syncobj;
>
> -       /* Disabled for now */
> -       if (flags & DRM_SYNCOBJ_CREATE_TYPE_TIMELINE)
> -               return -EINVAL;
> -
>         syncobj = kzalloc(sizeof(struct drm_syncobj), GFP_KERNEL);
>         if (!syncobj)
>                 return -ENOMEM;
> --
> Sean Paul, Software Engineer, Google / Chromium OS
>