[PATCH 1/4] drm/vram-helper: cleanup drm_gem_vram_bo_driver_move_notify

[Thomas Zimmermann]

Hi

Am 11.02.21 um 14:16 schrieb Christian König:
> Swapping bo->mem was completely unecessary. Cleanup the function which
> is just a leftover from a TTM cleanup.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>

Appears to work.

Reviewed-by: Thomas Zimmermann <tzimmermann at suse.de>
Tested-by: Thomas Zimmermann <tzimmermann at suse.de>

> ---
>   drivers/gpu/drm/drm_gem_vram_helper.c | 18 ++++--------------
>   1 file changed, 4 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
> index a0992f0b8afd..0c2233ee6029 100644
> --- a/drivers/gpu/drm/drm_gem_vram_helper.c
> +++ b/drivers/gpu/drm/drm_gem_vram_helper.c
> @@ -564,9 +564,7 @@ static void drm_gem_vram_bo_driver_evict_flags(struct drm_gem_vram_object *gbo,
>   	*pl = gbo->placement;
>   }
>   
> -static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo,
> -					       bool evict,
> -					       struct ttm_resource *new_mem)
> +static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo)
>   {
>   	struct ttm_buffer_object *bo = &gbo->bo;
>   	struct drm_device *dev = bo->base.dev;
> @@ -582,16 +580,8 @@ static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
>   				       struct ttm_operation_ctx *ctx,
>   				       struct ttm_resource *new_mem)
>   {
> -	int ret;
> -
> -	drm_gem_vram_bo_driver_move_notify(gbo, evict, new_mem);
> -	ret = ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
> -	if (ret) {
> -		swap(*new_mem, gbo->bo.mem);
> -		drm_gem_vram_bo_driver_move_notify(gbo, false, new_mem);
> -		swap(*new_mem, gbo->bo.mem);
> -	}
> -	return ret;
> +	drm_gem_vram_bo_driver_move_notify(gbo);
> +	return ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
>   }
>   
>   /*
> @@ -947,7 +937,7 @@ static void bo_driver_delete_mem_notify(struct ttm_buffer_object *bo)
>   
>   	gbo = drm_gem_vram_of_bo(bo);
>   
> -	drm_gem_vram_bo_driver_move_notify(gbo, false, NULL);
> +	drm_gem_vram_bo_driver_move_notify(gbo);
>   }
>   
>   static int bo_driver_move(struct ttm_buffer_object *bo,
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20210212/09a35b45/attachment.sig>