Re: [Intel-gfx] [PATCH 10/15] drm/vram-helpers: Create DRM_GEM_VRAM_PLANE_HELPER_FUNCS

[Thomas Zimmermann <tzimmermann@suse.de>]

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Am 22.06.21 um 18:55 schrieb Daniel Vetter:
> Like we have for the shadow helpers too, and roll it out to drivers.
> 
> Acked-by: Tian Tao <tiantao6@hisilicon.com>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Tian Tao <tiantao6@hisilicon.com>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>   drivers/gpu/drm/ast/ast_mode.c                 |  3 +--
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c |  3 +--
>   drivers/gpu/drm/vboxvideo/vbox_mode.c          |  3 +--
>   include/drm/drm_gem_vram_helper.h              | 12 ++++++++++++
>   4 files changed, 15 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index e5996ae03c49..f5d58c3088fe 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -612,8 +612,7 @@ ast_primary_plane_helper_atomic_disable(struct drm_plane *plane,
>   }
>   
>   static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = {
> -	.prepare_fb = drm_gem_vram_plane_helper_prepare_fb,
> -	.cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb,
> +	DRM_GEM_VRAM_PLANE_HELPER_FUNCS,
>   	.atomic_check = ast_primary_plane_helper_atomic_check,
>   	.atomic_update = ast_primary_plane_helper_atomic_update,
>   	.atomic_disable = ast_primary_plane_helper_atomic_disable,
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> index 29b8332b2bca..ccf80e369b4b 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> @@ -158,8 +158,7 @@ static const struct drm_plane_funcs hibmc_plane_funcs = {
>   };
>   
>   static const struct drm_plane_helper_funcs hibmc_plane_helper_funcs = {
> -	.prepare_fb	= drm_gem_vram_plane_helper_prepare_fb,
> -	.cleanup_fb	= drm_gem_vram_plane_helper_cleanup_fb,
> +	DRM_GEM_VRAM_PLANE_HELPER_FUNCS,
>   	.atomic_check = hibmc_plane_atomic_check,
>   	.atomic_update = hibmc_plane_atomic_update,
>   };
> diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c
> index 964381d55fc1..972c83b720aa 100644
> --- a/drivers/gpu/drm/vboxvideo/vbox_mode.c
> +++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c
> @@ -488,8 +488,7 @@ static const struct drm_plane_helper_funcs vbox_primary_helper_funcs = {
>   	.atomic_check = vbox_primary_atomic_check,
>   	.atomic_update = vbox_primary_atomic_update,
>   	.atomic_disable = vbox_primary_atomic_disable,
> -	.prepare_fb	= drm_gem_vram_plane_helper_prepare_fb,
> -	.cleanup_fb	= drm_gem_vram_plane_helper_cleanup_fb,
> +	DRM_GEM_VRAM_PLANE_HELPER_FUNCS,
>   };
>   
>   static const struct drm_plane_funcs vbox_primary_plane_funcs = {
> diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
> index 27ed7e9243b9..f48d181c824b 100644
> --- a/include/drm/drm_gem_vram_helper.h
> +++ b/include/drm/drm_gem_vram_helper.h
> @@ -124,6 +124,18 @@ void
>   drm_gem_vram_plane_helper_cleanup_fb(struct drm_plane *plane,
>   				     struct drm_plane_state *old_state);
>   
> +/**
> + * DRM_GEM_VRAM_PLANE_HELPER_FUNCS -
> + *	Initializes struct drm_plane_helper_funcs for VRAM handling
> + *
> + * Drivers may use GEM BOs as VRAM helpers for the framebuffer memory. This
> + * macro initializes struct drm_plane_helper_funcs to use the respective helper
> + * functions.
> + */
> +#define DRM_GEM_VRAM_PLANE_HELPER_FUNCS \
> +	.prepare_fb = drm_gem_vram_plane_helper_prepare_fb, \
> +	.cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb
> +
>   /*
>    * Helpers for struct drm_simple_display_pipe_funcs
>    */
> 

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


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