[PATCH v2 07/21] drm/mediatek: Introduce GEM object functions

[Daniel Vetter]

On Tue, Sep 15, 2020 at 04:59:44PM +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 mediatek. The only exception is gem_prime_mmap,
> which is non-trivial to convert.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c |  5 -----
>  drivers/gpu/drm/mediatek/mtk_drm_gem.c | 11 +++++++++++
>  2 files changed, 11 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 040a8f393fe2..2f8d0043fca7 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -301,18 +301,13 @@ struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev,
>  static struct drm_driver mtk_drm_driver = {
>  	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
>  
> -	.gem_free_object_unlocked = mtk_drm_gem_free_object,
> -	.gem_vm_ops = &drm_gem_cma_vm_ops,
>  	.dumb_create = mtk_drm_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_import = mtk_drm_gem_prime_import,
> -	.gem_prime_get_sg_table = mtk_gem_prime_get_sg_table,
>  	.gem_prime_import_sg_table = mtk_gem_prime_import_sg_table,
>  	.gem_prime_mmap = mtk_drm_gem_mmap_buf,
> -	.gem_prime_vmap = mtk_drm_gem_prime_vmap,
> -	.gem_prime_vunmap = mtk_drm_gem_prime_vunmap,
>  	.fops = &mtk_drm_fops,
>  
>  	.name = DRIVER_NAME,
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> index 6190cc3b7b0d..591b90410e4a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> @@ -8,11 +8,20 @@
>  #include <drm/drm.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_gem.h>
> +#include <drm/drm_gem_cma_helper.h>
>  #include <drm/drm_prime.h>
>  
>  #include "mtk_drm_drv.h"
>  #include "mtk_drm_gem.h"
>  
> +static const struct drm_gem_object_funcs mtk_drm_gem_object_funcs = {
> +	.free = mtk_drm_gem_free_object,
> +	.get_sg_table = mtk_gem_prime_get_sg_table,
> +	.vmap = mtk_drm_gem_prime_vmap,
> +	.vunmap = mtk_drm_gem_prime_vunmap,
> +	.vm_ops = &drm_gem_cma_vm_ops,
> +};
> +
>  static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev,
>  						unsigned long size)
>  {
> @@ -25,6 +34,8 @@ static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev,
>  	if (!mtk_gem_obj)
>  		return ERR_PTR(-ENOMEM);
>  
> +	mtk_gem_obj->base.funcs = &mtk_drm_gem_object_funcs;
> +
>  	ret = drm_gem_object_init(dev, &mtk_gem_obj->base, size);
>  	if (ret < 0) {
>  		DRM_ERROR("failed to initialize gem object\n");
> -- 
> 2.28.0

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

> 

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