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

[Ville Syrjälä]

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 at intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at 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
> 
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-- 
Ville Syrjälä
Intel OTC