[PATCH 29/29] 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>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index cf16844..b510bac 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -219,6 +219,10 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 				    crtc_w, crtc_h, crtc->x, crtc->y,
 				    crtc_w, crtc_h);
 	}
+
+	if (crtc->primary->state)
+		drm_atomic_set_fb_for_plane(crtc->primary->state, fb);
+
 out:
 	mutex_unlock(&dev->struct_mutex);
 	return ret;
-- 
1.9.3

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