From mboxrd@z Thu Jan 1 00:00:00 1970 From: yuq825@gmail.com (Qiang Yu) Date: Thu, 22 Nov 2018 09:44:17 +0800 Subject: [PATCH] drm/sun4i: wait on implicit fence before display Message-ID: <20181122014417.23285-1-yuq825@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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 #include +#include #include #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 #include #include +#include #include #include @@ -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 #include #include +#include #include #include @@ -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