diff options
| author | Heiko Stuebner <heiko@sntech.de> | 2018-11-30 13:24:49 +0300 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2018-12-12 19:03:09 +0300 |
| commit | 63d5e06aa38182da47bccde16fac058b0b2d53c7 (patch) | |
| tree | 8f6c8d80209d9fff28ca988eb4c0649d440d87a4 /drivers/gpu/drm | |
| parent | cad5290a2f79c7eaeda11bba02dd1cb6d096359a (diff) | |
| download | linux-63d5e06aa38182da47bccde16fac058b0b2d53c7.tar.xz | |
drm/rockchip: Add implicit fencing support for planes
Render like lima will attach a fence to the framebuffer dma_buf,
so the display driver should wait for it to finish before showing
the framebufferto prevent tearing.
Generally tested on rk3188, rk3288, rk3328 and rk3399 and
together with an actual lima-based kmscube on rk3188 and rk3328.
Suggested-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181130102449.6430-1-heiko@sntech.de
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index fb70fb486fbf..db8358e6d230 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -18,6 +18,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_flip_work.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane_helper.h> #ifdef CONFIG_DRM_ANALOGIX_DP #include <drm/bridge/analogix_dp.h> @@ -823,6 +824,7 @@ static const struct drm_plane_helper_funcs plane_helper_funcs = { .atomic_check = vop_plane_atomic_check, .atomic_update = vop_plane_atomic_update, .atomic_disable = vop_plane_atomic_disable, + .prepare_fb = drm_gem_fb_prepare_fb, }; static const struct drm_plane_funcs vop_plane_funcs = { |