On Sat, Feb 03, 2018 at 01:41:31AM +0530, Ramalingam C wrote:
> When HDCP authentication is triggered on multiple connector, having
> connector name and ID in debug message will be more informative.
>
> v2:
> Added logs with connector info at the start of en/disable [Seanpaul]
> Added the connector info into Check link failure msgs too.
>
> Signed-off-by: Ramalingam C <ramalinga...@intel.com>
Reviewed-by: Sean Paul <seanp...@chromium.org>
> ---
> drivers/gpu/drm/i915/intel_hdcp.c | 14 +++++++++++---
> 1 file changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_hdcp.c
> b/drivers/gpu/drm/i915/intel_hdcp.c
> index 0a1ef82c77a2..cfd13ee8c534 100644
> --- a/drivers/gpu/drm/i915/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/intel_hdcp.c
> @@ -524,6 +524,9 @@ static int _intel_hdcp_disable(struct intel_connector
> *connector)
> enum port port = intel_dig_port->base.port;
> int ret;
>
> + DRM_DEBUG_KMS("[%s:%d] HDCP is being disabled...\n",
> + connector->base.name, connector->base.base.id);
> +
> I915_WRITE(PORT_HDCP_CONF(port), 0);
> if (intel_wait_for_register(dev_priv, PORT_HDCP_STATUS(port), ~0, 0,
> 20)) {
> @@ -548,6 +551,9 @@ static int _intel_hdcp_enable(struct intel_connector
> *connector)
> struct drm_i915_private *dev_priv = connector->base.dev->dev_private;
> int i, ret;
>
> + DRM_DEBUG_KMS("[%s:%d] HDCP is being enabled...\n",
> + connector->base.name, connector->base.base.id);
> +
> if (!(I915_READ(SKL_FUSE_STATUS) & SKL_FUSE_PG_DIST_STATUS(1))) {
> DRM_ERROR("PG1 is disabled, cannot load keys\n");
> return -ENXIO;
> @@ -727,8 +733,9 @@ int intel_hdcp_check_link(struct intel_connector
> *connector)
> goto out;
>
> if (!(I915_READ(PORT_HDCP_STATUS(port)) & HDCP_STATUS_ENC)) {
> - DRM_ERROR("HDCP check failed: link is not encrypted, %x\n",
> - I915_READ(PORT_HDCP_STATUS(port)));
> + DRM_ERROR("%s:%d HDCP check failed: link is not encrypted,%x\n",
> + connector->base.name, connector->base.base.id,
> + I915_READ(PORT_HDCP_STATUS(port)));
> ret = -ENXIO;
> connector->hdcp_value = DRM_MODE_CONTENT_PROTECTION_DESIRED;
> schedule_work(&connector->hdcp_prop_work);
> @@ -745,7 +752,8 @@ int intel_hdcp_check_link(struct intel_connector
> *connector)
> goto out;
> }
>
> - DRM_DEBUG_KMS("HDCP link failed, retrying authentication\n");
> + DRM_DEBUG_KMS("[%s:%d] HDCP link failed, retrying authentication\n",
> + connector->base.name, connector->base.base.id);
>
> ret = _intel_hdcp_disable(connector);
> if (ret) {
> --
> 2.7.4
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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