[PATCH 4/4] drm/hisilicon/hibmc: Export VRAM MM information to debugfs

[Daniel Vetter]

On Fri, Nov 22, 2019 at 09:30:44AM +0100, Thomas Zimmermann wrote:
> This change makes information about VRAM consumption available on
> debugfs. See
> 
>   /sys/kernel/debug/dri/0/vram-mm
> 
> for an overview of how VRAM is being used.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Wrt merging: I'd wait 2-3 weeks for testing from maintainers, then merge
either way. Either it works, or we've found someone who cares enough to
test patches if something broke in here :-)
-Daniel

> ---
>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index 113d27b8a8f1..11d1b0761c9a 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -55,6 +55,7 @@ static struct drm_driver hibmc_driver = {
>  	.desc			= "hibmc drm driver",
>  	.major			= 1,
>  	.minor			= 0,
> +	.debugfs_init		= drm_vram_mm_debugfs_init,
>  	.dumb_create            = hibmc_dumb_create,
>  	.dumb_map_offset        = drm_gem_vram_driver_dumb_mmap_offset,
>  	.gem_prime_mmap		= drm_gem_prime_mmap,
> -- 
> 2.23.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch