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@xxxxxxxxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
Cc: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
Cc: Thierry Reding <treding@xxxxxxxxxx>
Signed-off-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>
---
Changes in v3: None
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;
--
1.7.9.5
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