On 05/08/17 11:51, Tomi Valkeinen wrote:
> Add omap_gem_put_paddr_locked() which is a version of
> omap_gem_put_paddr() that expects the caller to hold the struct_mutex.
> 
> Signed-off-by: Tomi Valkeinen <[email protected]>

Looks trivial enough.

Reviewed-by: Jyri Sarha <[email protected]>

> ---
>  drivers/gpu/drm/omapdrm/omap_gem.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c 
> b/drivers/gpu/drm/omapdrm/omap_gem.c
> index 68a75b829b71..5d73dccc1383 100644
> --- a/drivers/gpu/drm/omapdrm/omap_gem.c
> +++ b/drivers/gpu/drm/omapdrm/omap_gem.c
> @@ -873,12 +873,12 @@ int omap_gem_get_paddr(struct drm_gem_object *obj,
>  /* Release physical address, when DMA is no longer being performed.. this
>   * could potentially unpin and unmap buffers from TILER
>   */
> -void omap_gem_put_paddr(struct drm_gem_object *obj)
> +
> +static void omap_gem_put_paddr_locked(struct drm_gem_object *obj)
>  {
>       struct omap_gem_object *omap_obj = to_omap_bo(obj);
>       int ret;
>  
> -     mutex_lock(&obj->dev->struct_mutex);
>       if (omap_obj->paddr_cnt > 0) {
>               omap_obj->paddr_cnt--;
>               if (omap_obj->paddr_cnt == 0) {
> @@ -896,7 +896,12 @@ void omap_gem_put_paddr(struct drm_gem_object *obj)
>                       omap_obj->block = NULL;
>               }
>       }
> +}
>  
> +void omap_gem_put_paddr(struct drm_gem_object *obj)
> +{
> +     mutex_lock(&obj->dev->struct_mutex);
> +     omap_gem_put_paddr_locked(obj);
>       mutex_unlock(&obj->dev->struct_mutex);
>  }
>  
> 

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