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/openbmc/linux/drivers/gpu/drm/rockchip/ |
H A D | rockchip_drm_vop.c | 63d5e06a Fri Nov 30 04:24:49 CST 2018 Heiko Stuebner <heiko@sntech.de> 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 63d5e06a Fri Nov 30 04:24:49 CST 2018 Heiko Stuebner <heiko@sntech.de> 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
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