Re: [Intel-gfx] [PATCH] drm: Avoid printing negative values for unsigned variables.

Ville Syrjälä
2016-08-03T19:04:36Z

On Wed, Aug 03, 2016 at 09:53:46AM -0700, Rodrigo Vivi wrote:
> It was really strange to see negative vblank seqs on debug
> messages. It is rare to have that big number, but when it
> happens it is confusing and misleading.
>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
> drivers/gpu/drm/drm_irq.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
> index 77f357b..01a5079 100644
> --- a/drivers/gpu/drm/drm_irq.c
> +++ b/drivers/gpu/drm/drm_irq.c
> @@ -1295,7 +1295,7 @@ void drm_vblank_off(struct drm_device *dev, unsigned int pipe)
> if (e->pipe != pipe)
> continue;
> DRM_DEBUG("Sending premature vblank event on disable: "
> - "wanted %d, current %d\n",
> + "wanted %u, current %u\n",
> e->event.sequence, seq);
> list_del(&e->base.link);
> drm_vblank_put(dev, pipe);
> @@ -1585,7 +1585,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe,
>
> seq = drm_vblank_count_and_time(dev, pipe, &now);
>
> - DRM_DEBUG("event on vblank count %d, current %d, crtc %u\n",
> + DRM_DEBUG("event on vblank count %u, current %u, crtc %u\n",
> vblwait->request.sequence, seq, pipe);
>
> trace_drm_vblank_event_queued(current->pid, pipe,
> @@ -1693,7 +1693,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
> return drm_queue_vblank_event(dev, pipe, vblwait, file_priv);
> }
>
> - DRM_DEBUG("waiting on vblank count %d, crtc %u\n",
> + DRM_DEBUG("waiting on vblank count %u, crtc %u\n",
> vblwait->request.sequence, pipe);
> DRM_WAIT_ON(ret, vblank->queue, 3 * HZ,
> (((drm_vblank_count(dev, pipe) -
> @@ -1708,7 +1708,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
> vblwait->reply.tval_sec = now.tv_sec;
> vblwait->reply.tval_usec = now.tv_usec;
>
> - DRM_DEBUG("returning %d to client\n",
> + DRM_DEBUG("returning %u to client\n",
> vblwait->reply.sequence);
> } else {
> DRM_DEBUG("vblank wait interrupted by signal\n");
> @@ -1735,7 +1735,7 @@ static void drm_handle_vblank_events(struct drm_device *dev, unsigned int pipe)
> if ((seq - e->event.sequence) > (1<<23))
> continue;
>
> - DRM_DEBUG("vblank event on %d, current %d\n",
> + DRM_DEBUG("vblank event on %u, current %u\n",
> e->event.sequence, seq);
>
> list_del(&e->base.link);
> --
> 2.5.5
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

--
Ville Syrjälä
Intel OTC
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