Re: linux-next: build failure after merge of the drm-misc tree

[Sinclair Yeh]

Thanks for this.   This and "drm/vmwgfx: merge fixup for set_config API change":

Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>

On Mon, Apr 03, 2017 at 01:31:29PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c: In function 'vmw_sou_crtc_page_flip':
> drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c:327:8: error: too few arguments to function 'drm_atomic_helper_page_flip'
>   ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags);
>         ^
> In file included from drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c:31:0:
> include/drm/drm_atomic_helper.h:126:5: note: declared here
>  int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
>      ^
> drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c: In function 'vmw_stdu_crtc_page_flip':
> drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c:508:8: error: too few arguments to function 'drm_atomic_helper_page_flip'
>   ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags);
>         ^
> In file included from drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c:32:0:
> include/drm/drm_atomic_helper.h:126:5: note: declared here
>  int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
>      ^
> 
> Caused by commit
> 
>   41292b1fa13a ("drm: Add acquire ctx parameter to ->page_flip(_target)")
> 
> interacting with commits
> 
>   904bb5e5817f ("drm/vmwgfx: Switch over to internal atomic API for STDU")
>   b0119cb9229d ("drm/vmwgfx: Switch over to internal atomic API for SOU and LDU")
> 
> from the drm tree.
> 
> I added this merge fix patch for today:
> 
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Mon, 3 Apr 2017 13:25:55 +1000
> Subject: [PATCH] drm/vmwgfx: merge fixup for page_flip API change
> 
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 2 +-
>  drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> index 02b8f2541dca..8d7dc9def7c2 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> @@ -324,7 +324,7 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
>  		return -EINVAL;
>  
>  	flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
> -	ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags);
> +	ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags, ctx);
>  	if (ret) {
>  		DRM_ERROR("Page flip error %d.\n", ret);
>  		return ret;
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> index e59bbcd8b226..bad31bdf09b6 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> @@ -505,7 +505,7 @@ static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc,
>  	 * don't hand it to the helper.
>  	 */
>  	flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
> -	ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags);
> +	ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags, ctx);
>  	if (ret) {
>  		DRM_ERROR("Page flip error %d.\n", ret);
>  		return ret;
> -- 
> 2.11.0
> 
> -- 
> Cheers,
> Stephen Rothwell