linux-kernel - Re: [PATCH] drm/msm: adreno: fix build error without debugfs

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Date:   Wed, 30 Nov 2016 16:25:41 -0500
From:   Rob Clark <robdclark@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Jordan Crouse <jcrouse@...eaurora.org>,
        David Airlie <airlied@...ux.ie>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        freedreno@...ts.freedesktop.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm: adreno: fix build error without debugfs

On Wed, Nov 30, 2016 at 4:06 PM, Arnd Bergmann <arnd@...db.de> wrote:
> The newly added a5xx support fails to build when debugfs is diabled:
>
> drivers/gpu/drm/msm/adreno/a5xx_gpu.c:849:4: error: 'struct msm_gpu_funcs' has no member named 'show'
> drivers/gpu/drm/msm/adreno/a5xx_gpu.c:849:11: error: 'a5xx_show' undeclared here (not in a function); did you mean 'a5xx_irq'?
>
> This adds a missing #ifdef.
>
> Fixes: b5f103ab98c7 ("drm/msm: gpu: Add A5XX target support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

oh, whoops.. I guess kbuild robot didn't catch that..

well, first addition to msm-fixes-4.10 branch in case Dave doesn't
cherry-pick it first..

BR,
-R

> ---
>  drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
> index b8647198c11c..657874077400 100644
> --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
> @@ -846,7 +846,9 @@ static const struct adreno_gpu_funcs funcs = {
>                 .idle = a5xx_idle,
>                 .irq = a5xx_irq,
>                 .destroy = a5xx_destroy,
> +#ifdef CONFIG_DEBUG_FS
>                 .show = a5xx_show,
> +#endif
>         },
>         .get_timestamp = a5xx_get_timestamp,
>  };
> --
> 2.9.0
>