[Intel-gfx] [PATCH] drm: fix implicit declaration build error on ia64

[Daniel Vetter]

On Fri, Sep 16, 2016 at 01:06:36PM +0300, Jani Nikula wrote:
>    drivers/gpu/drm/drm_dp_helper.c: In function 'drm_dp_downstream_debug':
> >> drivers/gpu/drm/drm_dp_helper.c:551:2: error: implicit declaration of
> >> function 'seq_printf' [-Werror=implicit-function-declaration]
>      seq_printf(m, "\tDP branch device present: %s\n",
>      ^
> >> drivers/gpu/drm/drm_dp_helper.c:559:3: error: implicit declaration of
> >> function 'seq_puts' [-Werror=implicit-function-declaration]
>      seq_puts(m, "\t\tType: DisplayPort\n");
>      ^
> 
> Reported-by: kbuild test robot <fengguang.wu at intel.com>
> References: https://lists.freedesktop.org/archives/intel-gfx/2016-September/106638.html
> Fixes: 80209e5f2c42 ("drm: Add DP branch device info on debugfs")
> Cc: Mika Kahola <mika.kahola at intel.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Applied to drm-misc (yeah wrong branch, but easier that way ...).

Thanks, Daniel

> 
> ---
> 
> The commit being fixed is only in drm-intel tree. I failed at actually
> testing this, but I presume this is the fix...
> ---
>  drivers/gpu/drm/drm_dp_helper.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
> index a5365142cdba..894a6ac6f6e7 100644
> --- a/drivers/gpu/drm/drm_dp_helper.c
> +++ b/drivers/gpu/drm/drm_dp_helper.c
> @@ -27,6 +27,7 @@
>  #include <linux/errno.h>
>  #include <linux/sched.h>
>  #include <linux/i2c.h>
> +#include <linux/seq_file.h>
>  #include <drm/drm_dp_helper.h>
>  #include <drm/drmP.h>
>  
> -- 
> 2.1.4
> 
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> Intel-gfx at lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch