[PATCH v7 06/13] drm/exynos: atomic phase 2: keep track of framebuffer pointer

[Gustavo Padovan]

From: Gustavo Padovan <gustavo.pado...@collabora.co.uk>

Use drm_atomic_set_fb_for_plane() in the legacy page_flip path to keep
track of the framebuffer pointer and reference.

Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
Reviewed-by: Joonyoung Shim <jy0922.shim at samsung.com>
Tested-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c 
b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 5bfee9b..fe77516 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -171,6 +171,9 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
                            crtc_w, crtc_h, crtc->x << 16, crtc->y << 16,
                            crtc_w << 16, crtc_h << 16);

+       if (crtc->primary->state)
+               drm_atomic_set_fb_for_plane(crtc->primary->state, fb);
+
        return 0;

 out:
-- 
2.1.0