diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-05-27 15:57:53 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-05-28 09:57:27 +0200 |
| commit | aadb3e16b8f30cc1c1efdfe162f400e026385bfb (patch) | |
| tree | dc9540bfba1a8928582ed63fc9a3d966143b41f0 /drivers/gpu/drm/drm_connector.c | |
| parent | 54cb39e2293b1e221708d3ac157ecc59086e1b46 (diff) | |
drm/connector: hdmi: Add output BPC to the connector state
We'll add automatic selection of the output BPC in a following patch,
but let's add it to the HDMI connector state already.
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527-kms-hdmi-connector-state-v15-4-c5af16c3aae2@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 8c471bdfbfff..e5c840987854 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -459,6 +459,7 @@ EXPORT_SYMBOL(drmm_connector_init); * @funcs: callbacks for this connector * @connector_type: user visible type of the connector * @ddc: optional pointer to the associated ddc adapter + * @max_bpc: Maximum bits per char the HDMI connector supports * * Initialises a preallocated HDMI connector. Connectors can be * subclassed as part of driver connector objects. @@ -475,7 +476,8 @@ int drmm_connector_hdmi_init(struct drm_device *dev, struct drm_connector *connector, const struct drm_connector_funcs *funcs, int connector_type, - struct i2c_adapter *ddc) + struct i2c_adapter *ddc, + unsigned int max_bpc) { int ret; @@ -483,10 +485,26 @@ int drmm_connector_hdmi_init(struct drm_device *dev, connector_type == DRM_MODE_CONNECTOR_HDMIB)) return -EINVAL; + if (!(max_bpc == 8 || max_bpc == 10 || max_bpc == 12)) + return -EINVAL; + ret = drmm_connector_init(dev, connector, funcs, connector_type, ddc); if (ret) return ret; + /* + * drm_connector_attach_max_bpc_property() requires the + * connector to have a state. + */ + if (connector->funcs->reset) + connector->funcs->reset(connector); + + drm_connector_attach_max_bpc_property(connector, 8, max_bpc); + connector->max_bpc = max_bpc; + + if (max_bpc > 8) + drm_connector_attach_hdr_output_metadata_property(connector); + return 0; } EXPORT_SYMBOL(drmm_connector_hdmi_init); |