[PATCH v9 06/18] drm/exynos: atomic phase 2: keep track of framebuffer pointer

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From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx>
Reviewed-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
Tested-by: Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx>
---
 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 73ccfa7..f782d1f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -168,6 +168,9 @@ 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

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