Fill atomic needed funcs with default atomic helper library.
Rockchip use dw_hdmi, and drm/rockchip will covert to atomic api, we need dw_hdmi support atomic funcs.
Now another drm driver use dw_hdmi is imx, not yet atomic, so check DRIVER_ATOMIC at runtime to spilt atomic and not atomic.
Cc: Russell King rmk+kernel@arm.linux.org.uk Cc: Philipp Zabel p.zabel@pengutronix.de Cc: Andy Yan andy.yan@rock-chips.com Cc: Fabio Estevam fabio.estevam@freescale.com Cc: Thierry Reding treding@nvidia.com
Signed-off-by: Mark Yao mark.yao@rock-chips.com --- Changes in v2: Adviced by Daniel Vetter - check DRIVER_ATOMIC at runtime to spilt atomic and not atomic.
drivers/gpu/drm/bridge/dw_hdmi.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index 56de9f1..dc0bdd4 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -22,6 +22,7 @@
#include <drm/drm_of.h> #include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_edid.h> #include <drm/drm_encoder_slave.h> @@ -1522,6 +1523,17 @@ static struct drm_connector_funcs dw_hdmi_connector_funcs = { .force = dw_hdmi_connector_force, };
+static struct drm_connector_funcs dw_hdmi_atomic_connector_funcs = { + .dpms = drm_atomic_helper_connector_dpms, + .fill_modes = drm_helper_probe_single_connector_modes, + .detect = dw_hdmi_connector_detect, + .destroy = dw_hdmi_connector_destroy, + .force = dw_hdmi_connector_force, + .reset = drm_atomic_helper_connector_reset, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + static struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = { .get_modes = dw_hdmi_connector_get_modes, .mode_valid = dw_hdmi_connector_mode_valid, @@ -1645,8 +1657,15 @@ static int dw_hdmi_register(struct drm_device *drm, struct dw_hdmi *hdmi)
drm_connector_helper_add(&hdmi->connector, &dw_hdmi_connector_helper_funcs); - drm_connector_init(drm, &hdmi->connector, &dw_hdmi_connector_funcs, - DRM_MODE_CONNECTOR_HDMIA); + + if (drm_core_check_feature(drm, DRIVER_ATOMIC)) + drm_connector_init(drm, &hdmi->connector, + &dw_hdmi_atomic_connector_funcs, + DRM_MODE_CONNECTOR_HDMIA); + else + drm_connector_init(drm, &hdmi->connector, + &dw_hdmi_connector_funcs, + DRM_MODE_CONNECTOR_HDMIA);
hdmi->connector.encoder = encoder;