[PATCH] drm/rockchip: vop: implement atomic_print_state

[John Keeping]

Rockchip VOP subclasses drm_crtc_state so implementing the
atomic_print_state hook allows printing the additional Rockchip-specific
fields of the CRTC state.

Signed-off-by: John Keeping <j...@metanate.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 3e8d9e2d1b67..f3975905599b 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1569,6 +1569,19 @@ static void vop_crtc_destroy_state(struct drm_crtc *crtc,
        kfree(s);
 }
 
+static void vop_crtc_print_state(struct drm_printer *p,
+                                const struct drm_crtc_state *state)
+{
+       struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
+
+       drm_printf(p, "\toutput_type=%s\n",
+                  drm_get_connector_type_name(s->output_type));
+       drm_printf(p, "\toutput_mode=%d\n", s->output_mode);
+       drm_printf(p, "\toutput_bpc=%d\n", s->output_bpc);
+       drm_printf(p, "\toutput_flags=%x\n", s->output_flags);
+       drm_printf(p, "\tenable_afbc=%d\n", s->enable_afbc);
+}
+
 static void vop_crtc_reset(struct drm_crtc *crtc)
 {
        struct rockchip_crtc_state *crtc_state =
@@ -1652,6 +1665,7 @@ static const struct drm_crtc_funcs vop_crtc_funcs = {
        .reset = vop_crtc_reset,
        .atomic_duplicate_state = vop_crtc_duplicate_state,
        .atomic_destroy_state = vop_crtc_destroy_state,
+       .atomic_print_state = vop_crtc_print_state,
        .enable_vblank = vop_crtc_enable_vblank,
        .disable_vblank = vop_crtc_disable_vblank,
        .set_crc_source = vop_crtc_set_crc_source,
-- 
2.34.1