[PATCH] drm/meson: Add implicit fencing support for primary and overlay planes

[Neil Armstrong]

Hi Koen,

On 19/11/2018 11:02, Koen Kooi wrote:
> Suggested by Qiang Yu <yuq825 at gmail.com> to fix tearing artefacts in the
> Kodi GUI.

Thanks, indeed this fixes implicit fencing when using Lima on Amlogic Meson SoCs.

Any objection to merge this ?

Neil

> 
> Signed-off-by: Koen Kooi <koen at dominion.thruhere.net>
> ---
>  drivers/gpu/drm/meson/meson_overlay.c | 2 ++
>  drivers/gpu/drm/meson/meson_plane.c   | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/meson/meson_overlay.c b/drivers/gpu/drm/meson/meson_overlay.c
> index 9aebc5e..691a9fd 100644
> --- a/drivers/gpu/drm/meson/meson_overlay.c
> +++ b/drivers/gpu/drm/meson/meson_overlay.c
> @@ -16,6 +16,7 @@
>  #include <drm/drm_plane_helper.h>
>  #include <drm/drm_gem_cma_helper.h>
>  #include <drm/drm_fb_cma_helper.h>
> +#include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_rect.h>
>  
>  #include "meson_overlay.h"
> @@ -532,6 +533,7 @@ static const struct drm_plane_helper_funcs meson_overlay_helper_funcs = {
>  	.atomic_check	= meson_overlay_atomic_check,
>  	.atomic_disable	= meson_overlay_atomic_disable,
>  	.atomic_update	= meson_overlay_atomic_update,
> +	.prepare_fb	= drm_gem_fb_prepare_fb,
>  };
>  
>  static const struct drm_plane_funcs meson_overlay_funcs = {
> diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c
> index 12a47b4..8ee2cf9 100644
> --- a/drivers/gpu/drm/meson/meson_plane.c
> +++ b/drivers/gpu/drm/meson/meson_plane.c
> @@ -32,6 +32,7 @@
>  #include <drm/drm_plane_helper.h>
>  #include <drm/drm_gem_cma_helper.h>
>  #include <drm/drm_fb_cma_helper.h>
> +#include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_rect.h>
>  
>  #include "meson_plane.h"
> @@ -322,6 +323,7 @@ static const struct drm_plane_helper_funcs meson_plane_helper_funcs = {
>  	.atomic_check	= meson_plane_atomic_check,
>  	.atomic_disable	= meson_plane_atomic_disable,
>  	.atomic_update	= meson_plane_atomic_update,
> +	.prepare_fb	= drm_gem_fb_prepare_fb,
>  };
>  
>  static const struct drm_plane_funcs meson_plane_funcs = {
>