Use new drm_bridge_connector_mode_valid() helper if there is a HDMI
bridge in the bridge chain. This removes the need to perform TMDS char
rate check manually in the bridge driver.
Reviewed-by: Chen-Yu Tsai <w...@csie.org>
Reviewed-by: Maxime Ripard <mrip...@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/display/drm_bridge_connector.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c
b/drivers/gpu/drm/display/drm_bridge_connector.c
index
320c297008aaa8b6ef5b1f4c71928849b202e8ac..512ced87ea18c74e182a558a686ddd83de891814
100644
--- a/drivers/gpu/drm/display/drm_bridge_connector.c
+++ b/drivers/gpu/drm/display/drm_bridge_connector.c
@@ -18,6 +18,7 @@
#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
+#include <drm/display/drm_hdmi_helper.h>
#include <drm/display/drm_hdmi_state_helper.h>
/**
@@ -299,9 +300,22 @@ static int drm_bridge_connector_get_modes(struct
drm_connector *connector)
return 0;
}
+static enum drm_mode_status
+drm_bridge_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct drm_bridge_connector *bridge_connector =
+ to_drm_bridge_connector(connector);
+
+ if (bridge_connector->bridge_hdmi)
+ return drm_hdmi_connector_mode_valid(connector, mode);
+
+ return MODE_OK;
+}
+
static const struct drm_connector_helper_funcs
drm_bridge_connector_helper_funcs = {
.get_modes = drm_bridge_connector_get_modes,
- /* No need for .mode_valid(), the bridges are checked by the core. */
+ .mode_valid = drm_bridge_connector_mode_valid,
.enable_hpd = drm_bridge_connector_enable_hpd,
.disable_hpd = drm_bridge_connector_disable_hpd,
};
--
2.39.5
