diff options
| author | Ramalingam C <ramalingam.c@intel.com> | 2019-05-07 21:57:40 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2019-05-09 09:44:41 +0200 |
| commit | c16fd9be70faf3c49a61700efd16018dd910e390 (patch) | |
| tree | b61ace9acbeb70834f7b11adb91b65e28c40b2a7 /drivers/gpu/drm/drm_hdcp.c | |
| parent | f26ae6a652f2e75a3a12ac22b7da5797978436c4 (diff) | |
drm/hdcp: gathering hdcp related code into drm_hdcp.c
Considering the significant size of hdcp related code in drm, all
hdcp related codes are moved into separate file called drm_hdcp.c.
v2:
Rebased.
v2:
Rebased.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507162745.25600-7-ramalingam.c@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_hdcp.c')
| -rw-r--r-- | drivers/gpu/drm/drm_hdcp.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c index 5e5409505c31..0da7b3718bad 100644 --- a/drivers/gpu/drm/drm_hdcp.c +++ b/drivers/gpu/drm/drm_hdcp.c @@ -17,6 +17,9 @@ #include <drm/drm_sysfs.h> #include <drm/drm_print.h> #include <drm/drm_device.h> +#include <drm/drm_property.h> +#include <drm/drm_mode_object.h> +#include <drm/drm_connector.h> struct hdcp_srm { u32 revoked_ksv_cnt; @@ -331,3 +334,47 @@ void drm_teardown_hdcp_srm(struct class *drm_class) kfree(srm_data); } } + +static struct drm_prop_enum_list drm_cp_enum_list[] = { + { DRM_MODE_CONTENT_PROTECTION_UNDESIRED, "Undesired" }, + { DRM_MODE_CONTENT_PROTECTION_DESIRED, "Desired" }, + { DRM_MODE_CONTENT_PROTECTION_ENABLED, "Enabled" }, +}; +DRM_ENUM_NAME_FN(drm_get_content_protection_name, drm_cp_enum_list) + +/** + * drm_connector_attach_content_protection_property - attach content protection + * property + * + * @connector: connector to attach CP property on. + * + * This is used to add support for content protection on select connectors. + * Content Protection is intentionally vague to allow for different underlying + * technologies, however it is most implemented by HDCP. + * + * The content protection will be set to &drm_connector_state.content_protection + * + * Returns: + * Zero on success, negative errno on failure. + */ +int drm_connector_attach_content_protection_property( + struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_property *prop = + dev->mode_config.content_protection_property; + + if (!prop) + prop = drm_property_create_enum(dev, 0, "Content Protection", + drm_cp_enum_list, + ARRAY_SIZE(drm_cp_enum_list)); + if (!prop) + return -ENOMEM; + + drm_object_attach_property(&connector->base, prop, + DRM_MODE_CONTENT_PROTECTION_UNDESIRED); + dev->mode_config.content_protection_property = prop; + + return 0; +} +EXPORT_SYMBOL(drm_connector_attach_content_protection_property); |