[PATCH AUTOSEL 4.9 03/13] drm/vc4: crtc: Use an union to store the page flip callback

From: Maxime Ripard [ Upstream commit 2523e9dcc3be91bf9fdc0d1e542557ca00bbef42 ] We'll need to extend the vc4_async_flip_state structure to rely on another callback implementation, so let's move the current one into a union. Reviewed-by: Melissa Wen Signed-off-by: Maxime Ripard Link: https://

[PATCH AUTOSEL 4.9 03/13] drm/vc4: crtc: Use an union to store the page flip callback

From: Maxime Ripard [ Upstream commit 2523e9dcc3be91bf9fdc0d1e542557ca00bbef42 ] We'll need to extend the vc4_async_flip_state structure to rely on another callback implementation, so let's move the current one into a union. Reviewed-by: Melissa Wen Signed-off-by: Maxime Ripard Link: https://