[PATCH] drm/bridge: cdns-mhdp8546: Remove unused functions

[PATCH] drm/bridge: cdns-mhdp8546: Remove unused functions

[linux]

From: "Dr. David Alan Gilbert" <linux@treblig.org>

cdns_mhdp_hdcp_set_lc() and cdns_mhdp_hdcp_set_public_key_param()
were added by commit
6a3608eae6d3 ("drm: bridge: cdns-mhdp8546: Enable HDCP")
but never used.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 .../drm/bridge/cadence/cdns-mhdp8546-hdcp.c   | 28 -------------------
 .../drm/bridge/cadence/cdns-mhdp8546-hdcp.h   |  3 --
 2 files changed, 31 deletions(-)

diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
index 31832ba4017f..42248f179b69 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
@@ -500,34 +500,6 @@ static void cdns_mhdp_hdcp_prop_work(struct work_struct *work)
 	drm_modeset_unlock(&dev->mode_config.connection_mutex);
 }
 
-int cdns_mhdp_hdcp_set_lc(struct cdns_mhdp_device *mhdp, u8 *val)
-{
-	int ret;
-
-	mutex_lock(&mhdp->mbox_mutex);
-	ret = cdns_mhdp_secure_mailbox_send(mhdp, MB_MODULE_ID_HDCP_GENERAL,
-					    HDCP_GENERAL_SET_LC_128,
-					    16, val);
-	mutex_unlock(&mhdp->mbox_mutex);
-
-	return ret;
-}
-
-int
-cdns_mhdp_hdcp_set_public_key_param(struct cdns_mhdp_device *mhdp,
-				    struct cdns_hdcp_tx_public_key_param *val)
-{
-	int ret;
-
-	mutex_lock(&mhdp->mbox_mutex);
-	ret = cdns_mhdp_secure_mailbox_send(mhdp, MB_MODULE_ID_HDCP_TX,
-					    HDCP2X_TX_SET_PUBLIC_KEY_PARAMS,
-					    sizeof(*val), (u8 *)val);
-	mutex_unlock(&mhdp->mbox_mutex);
-
-	return ret;
-}
-
 int cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type)
 {
 	int ret;
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h
index 334c0b8b0d4f..3b6ec9c3a8d8 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h
@@ -82,9 +82,6 @@ struct cdns_hdcp_tx_public_key_param {
 	u8 E[DLP_E];
 };
 
-int cdns_mhdp_hdcp_set_public_key_param(struct cdns_mhdp_device *mhdp,
-					struct cdns_hdcp_tx_public_key_param *val);
-int cdns_mhdp_hdcp_set_lc(struct cdns_mhdp_device *mhdp, u8 *val);
 int cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type);
 int cdns_mhdp_hdcp_disable(struct cdns_mhdp_device *mhdp);
 void cdns_mhdp_hdcp_init(struct cdns_mhdp_device *mhdp);
-- 
2.46.2

Re: [PATCH] drm/bridge: cdns-mhdp8546: Remove unused functions

[Dr. David Alan Gilbert]

* linux@treblig.org (linux@treblig.org) wrote:
> From: "Dr. David Alan Gilbert" <linux@treblig.org>
> 
> cdns_mhdp_hdcp_set_lc() and cdns_mhdp_hdcp_set_public_key_param()
> were added by commit
> 6a3608eae6d3 ("drm: bridge: cdns-mhdp8546: Enable HDCP")
> but never used.
> 
> Remove them.
> 
> Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>

Ping.

Dave

> ---
>  .../drm/bridge/cadence/cdns-mhdp8546-hdcp.c   | 28 -------------------
>  .../drm/bridge/cadence/cdns-mhdp8546-hdcp.h   |  3 --
>  2 files changed, 31 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
> index 31832ba4017f..42248f179b69 100644
> --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
> +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
> @@ -500,34 +500,6 @@ static void cdns_mhdp_hdcp_prop_work(struct work_struct *work)
>  	drm_modeset_unlock(&dev->mode_config.connection_mutex);
>  }
>  
> -int cdns_mhdp_hdcp_set_lc(struct cdns_mhdp_device *mhdp, u8 *val)
> -{
> -	int ret;
> -
> -	mutex_lock(&mhdp->mbox_mutex);
> -	ret = cdns_mhdp_secure_mailbox_send(mhdp, MB_MODULE_ID_HDCP_GENERAL,
> -					    HDCP_GENERAL_SET_LC_128,
> -					    16, val);
> -	mutex_unlock(&mhdp->mbox_mutex);
> -
> -	return ret;
> -}
> -
> -int
> -cdns_mhdp_hdcp_set_public_key_param(struct cdns_mhdp_device *mhdp,
> -				    struct cdns_hdcp_tx_public_key_param *val)
> -{
> -	int ret;
> -
> -	mutex_lock(&mhdp->mbox_mutex);
> -	ret = cdns_mhdp_secure_mailbox_send(mhdp, MB_MODULE_ID_HDCP_TX,
> -					    HDCP2X_TX_SET_PUBLIC_KEY_PARAMS,
> -					    sizeof(*val), (u8 *)val);
> -	mutex_unlock(&mhdp->mbox_mutex);
> -
> -	return ret;
> -}
> -
>  int cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type)
>  {
>  	int ret;
> diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h
> index 334c0b8b0d4f..3b6ec9c3a8d8 100644
> --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h
> +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h
> @@ -82,9 +82,6 @@ struct cdns_hdcp_tx_public_key_param {
>  	u8 E[DLP_E];
>  };
>  
> -int cdns_mhdp_hdcp_set_public_key_param(struct cdns_mhdp_device *mhdp,
> -					struct cdns_hdcp_tx_public_key_param *val);
> -int cdns_mhdp_hdcp_set_lc(struct cdns_mhdp_device *mhdp, u8 *val);
>  int cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type);
>  int cdns_mhdp_hdcp_disable(struct cdns_mhdp_device *mhdp);
>  void cdns_mhdp_hdcp_init(struct cdns_mhdp_device *mhdp);
> -- 
> 2.46.2
> 
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
\        dave @ treblig.org |                               | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/

Re: [PATCH] drm/bridge: cdns-mhdp8546: Remove unused functions

[Robert Foss]

On Sun, 06 Oct 2024 00:20:17 +0100, linux@treblig.org wrote:
> cdns_mhdp_hdcp_set_lc() and cdns_mhdp_hdcp_set_public_key_param()
> were added by commit
> 6a3608eae6d3 ("drm: bridge: cdns-mhdp8546: Enable HDCP")
> but never used.
> 
> Remove them.
> 
> [...]

Applied, thanks!

[1/1] drm/bridge: cdns-mhdp8546: Remove unused functions
      https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/d84927a4ad92



Rob