Am 21.05.20 um 22:46 schrieb Lyude Paul:
> On some architectures like ppc64le and aarch64, compiling with
> -Wformat=1 will throw the following warnings:
>
> In file included from drivers/gpu/drm/drm_vblank.c:33:
> drivers/gpu/drm/drm_vblank.c: In function 'drm_update_vblank_count':
> drivers/gpu/drm/drm_vblank.c:273:16: warning: format '%llu' expects
> argument of type 'long long unsigned int', but argument 4 has type
> 'long int' [-Wformat=]
> DRM_DEBUG_VBL("updating vblank count on crtc %u:"
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ./include/drm/drm_print.h:407:22: note: in definition of macro
> 'DRM_DEBUG_VBL'
> drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__)
> ^~~
> drivers/gpu/drm/drm_vblank.c:274:22: note: format string is defined here
> " current=%llu, diff=%u, hw=%u hw_last=%u\n",
> ~~~^
> %lu
>
> So, fix that with a typecast.
>
> Signed-off-by: Lyude Paul <ly...@redhat.com>
> Co-developed-by: Dave Airlie <airl...@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmerm...@suse.de>
Thanks!
> ---
> drivers/gpu/drm/drm_vblank.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
> index acb3c3f65b579..1a96db2dd16fa 100644
> --- a/drivers/gpu/drm/drm_vblank.c
> +++ b/drivers/gpu/drm/drm_vblank.c
> @@ -342,7 +342,7 @@ static void drm_update_vblank_count(struct drm_device
> *dev, unsigned int pipe,
>
> DRM_DEBUG_VBL("updating vblank count on crtc %u:"
> " current=%llu, diff=%u, hw=%u hw_last=%u\n",
> - pipe, atomic64_read(&vblank->count), diff,
> + pipe, (unsigned long long)atomic64_read(&vblank->count),
> diff,
> cur_vblank, vblank->last);
>
> if (diff == 0) {
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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