[PATCH 2/3] drm: Convert drm_legacy_ctxbitmap_init to void return type

[Antoine, Peter]

On Tue, 2015-06-23 at 11:37 +0200, Daniel Vetter wrote:
> It can't fail really.
> 
> Also remove the redundant kms check Peter added.
> 
> Cc: Peter Antoine <peter.antoine at intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/drm_context.c |  5 ++---
>  drivers/gpu/drm/drm_drv.c     | 10 +---------
>  drivers/gpu/drm/drm_legacy.h  |  2 +-
>  3 files changed, 4 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
> index 32958dabd7b0..192a5f9eeb74 100644
> --- a/drivers/gpu/drm/drm_context.c
> +++ b/drivers/gpu/drm/drm_context.c
> @@ -89,14 +89,13 @@ static int drm_legacy_ctxbitmap_next(struct drm_device * dev)
>   *
>   * Initialise the drm_device::ctx_idr
>   */
> -int drm_legacy_ctxbitmap_init(struct drm_device * dev)
> +void drm_legacy_ctxbitmap_init(struct drm_device * dev)
>  {
>  	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
>  	    drm_core_check_feature(dev, DRIVER_MODESET))
> -		return -EINVAL;
> +		return;
>  
>  	idr_init(&dev->ctx_idr);
> -	return 0;
>  }
>  
>  /**
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index e5717116346d..ddc4943404c6 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -584,14 +584,7 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
>  	if (drm_ht_create(&dev->map_hash, 12))
>  		goto err_minors;
>  
> -	if (drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) ||
> -		!drm_core_check_feature(dev, DRIVER_MODESET))
> -		ret = drm_legacy_ctxbitmap_init(dev);
> -		if (ret) {
> -			DRM_ERROR(
> -				"Cannot allocate memory for context bitmap.\n");
> -			goto err_ht;
> -		}
> +	drm_legacy_ctxbitmap_init(dev);
>  
>  	if (drm_core_check_feature(dev, DRIVER_GEM)) {
>  		ret = drm_gem_init(dev);
> @@ -605,7 +598,6 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
>  
>  err_ctxbitmap:
>  	drm_legacy_ctxbitmap_cleanup(dev);
> -err_ht:
>  	drm_ht_remove(&dev->map_hash);
>  err_minors:
>  	drm_minor_free(dev, DRM_MINOR_LEGACY);
> diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
> index c1dc61473db5..9b731786e4db 100644
> --- a/drivers/gpu/drm/drm_legacy.h
> +++ b/drivers/gpu/drm/drm_legacy.h
> @@ -42,7 +42,7 @@ struct drm_file;
>  #define DRM_KERNEL_CONTEXT		0
>  #define DRM_RESERVED_CONTEXTS		1
>  
> -int drm_legacy_ctxbitmap_init(struct drm_device *dev);
> +void drm_legacy_ctxbitmap_init(struct drm_device *dev);
>  void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
>  void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
>  void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);

Reviewed-by: Peter Antoine <peter.antoine at intel.com>