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Date: Thu, 22 Nov 2018 10:07:47 +0100
From: Daniel Vetter <daniel@...ll.ch>
To: Qiang Yu <yuq825@...il.com>
Cc: dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com,
Maxime Ripard <maxime.ripard@...tlin.com>,
David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Vasily Khoruzhick <anarsoul@...il.com>,
Icenowy Zheng <icenowy@...c.io>
Subject: Re: [PATCH] drm/sun4i: wait on implicit fence before display
On Thu, Nov 22, 2018 at 09:44:17AM +0800, Qiang Yu wrote:
> Render like lima will attach a fence to the framebuffer
> dma_buf, display like sun4i should wait it finish before
> show the framebuffer. Otherwise tearing will be observed.
>
> Signed-off-by: Qiang Yu <yuq825@...il.com>
Thanks for submitting this fix, applied to drm-misc-next.
-Daniel
> ---
> drivers/gpu/drm/sun4i/sun4i_layer.c | 2 ++
> drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 2 ++
> drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 2 ++
> 3 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
> index 750ad24de1d7..d68e663df9a0 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
> @@ -12,6 +12,7 @@
>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_plane_helper.h>
> +#include <drm/drm_gem_framebuffer_helper.h>
> #include <drm/drmP.h>
>
> #include "sun4i_backend.h"
> @@ -114,6 +115,7 @@ static void sun4i_backend_layer_atomic_update(struct drm_plane *plane,
> }
>
> static const struct drm_plane_helper_funcs sun4i_backend_layer_helper_funcs = {
> + .prepare_fb = drm_gem_fb_prepare_fb,
> .atomic_disable = sun4i_backend_layer_atomic_disable,
> .atomic_update = sun4i_backend_layer_atomic_update,
> };
> diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> index 28c15c6ef1ef..7bc2ca2bd0c3 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> @@ -19,6 +19,7 @@
> #include <drm/drm_crtc_helper.h>
> #include <drm/drm_fb_cma_helper.h>
> #include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_framebuffer_helper.h>
> #include <drm/drm_plane_helper.h>
> #include <drm/drmP.h>
>
> @@ -287,6 +288,7 @@ static void sun8i_ui_layer_atomic_update(struct drm_plane *plane,
> }
>
> static struct drm_plane_helper_funcs sun8i_ui_layer_helper_funcs = {
> + .prepare_fb = drm_gem_fb_prepare_fb,
> .atomic_check = sun8i_ui_layer_atomic_check,
> .atomic_disable = sun8i_ui_layer_atomic_disable,
> .atomic_update = sun8i_ui_layer_atomic_update,
> diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> index f4fe97813f94..815895795afd 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> @@ -13,6 +13,7 @@
> #include <drm/drm_crtc_helper.h>
> #include <drm/drm_fb_cma_helper.h>
> #include <drm/drm_gem_cma_helper.h>
> +#include <drm/drm_gem_framebuffer_helper.h>
> #include <drm/drm_plane_helper.h>
> #include <drm/drmP.h>
>
> @@ -315,6 +316,7 @@ static void sun8i_vi_layer_atomic_update(struct drm_plane *plane,
> }
>
> static struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = {
> + .prepare_fb = drm_gem_fb_prepare_fb,
> .atomic_check = sun8i_vi_layer_atomic_check,
> .atomic_disable = sun8i_vi_layer_atomic_disable,
> .atomic_update = sun8i_vi_layer_atomic_update,
> --
> 2.17.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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