Re: [Intel-gfx] [PATCH v2 13/21] drm/rockchip: Convert to drm_gem_object_funcs

[Daniel Vetter <daniel@ffwll.ch>]

On Tue, Sep 15, 2020 at 04:59:50PM +0200, Thomas Zimmermann wrote:
> GEM object functions deprecate several similar callback interfaces in
> struct drm_driver. This patch replaces the per-driver callbacks with
> per-instance callbacks in rockchip. The only exception is gem_prime_mmap,
> which is non-trivial to convert.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
>  drivers/gpu/drm/rockchip/rockchip_drm_drv.c |  5 -----
>  drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 10 ++++++++++
>  2 files changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index 0f3eb392fe39..b7654f5e4225 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -212,15 +212,10 @@ static const struct file_operations rockchip_drm_driver_fops = {
>  static struct drm_driver rockchip_drm_driver = {
>  	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
>  	.lastclose		= drm_fb_helper_lastclose,
> -	.gem_vm_ops		= &drm_gem_cma_vm_ops,
> -	.gem_free_object_unlocked = rockchip_gem_free_object,
>  	.dumb_create		= rockchip_gem_dumb_create,
>  	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd,
>  	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle,
> -	.gem_prime_get_sg_table	= rockchip_gem_prime_get_sg_table,
>  	.gem_prime_import_sg_table	= rockchip_gem_prime_import_sg_table,
> -	.gem_prime_vmap		= rockchip_gem_prime_vmap,
> -	.gem_prime_vunmap	= rockchip_gem_prime_vunmap,
>  	.gem_prime_mmap		= rockchip_gem_mmap_buf,
>  	.fops			= &rockchip_drm_driver_fops,
>  	.name	= DRIVER_NAME,
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> index 0055d86576f7..bddc7d99efe3 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> @@ -296,6 +296,14 @@ static void rockchip_gem_release_object(struct rockchip_gem_object *rk_obj)
>  	kfree(rk_obj);
>  }
>  
> +static const struct drm_gem_object_funcs rockchip_gem_object_funcs = {
> +	.free = rockchip_gem_free_object,
> +	.get_sg_table = rockchip_gem_prime_get_sg_table,
> +	.vmap = rockchip_gem_prime_vmap,
> +	.vunmap	= rockchip_gem_prime_vunmap,
> +	.vm_ops = &drm_gem_cma_vm_ops,
> +};
> +
>  static struct rockchip_gem_object *
>  	rockchip_gem_alloc_object(struct drm_device *drm, unsigned int size)
>  {
> @@ -310,6 +318,8 @@ static struct rockchip_gem_object *
>  
>  	obj = &rk_obj->base;
>  
> +	obj->funcs = &rockchip_gem_object_funcs;
> +
>  	drm_gem_object_init(drm, obj, size);
>  
>  	return rk_obj;
> -- 
> 2.28.0
> 

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