From: Sean Paul <seanp...@chromium.org>

Currently we derive the connector from digital port in check_link(). For
MST, this isn't sufficient since the digital port passed into the
function can have multiple connectors downstream. This patch adds
connector to the check_link() arguments so we have it when we need it.

Signed-off-by: Sean Paul <seanp...@chromium.org>
Link: 
https://patchwork.freedesktop.org/patch/msgid/20200218220242.107265-13-s...@poorly.run
 # v4

Changes in v4:
-Added to the set
Changes in v5:
-None
---
 drivers/gpu/drm/i915/display/intel_display_types.h | 3 ++-
 drivers/gpu/drm/i915/display/intel_dp_hdcp.c       | 3 ++-
 drivers/gpu/drm/i915/display/intel_hdcp.c          | 2 +-
 drivers/gpu/drm/i915/display/intel_hdmi.c          | 5 ++---
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 3cac51955f250..9cc43dcbb518f 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -312,7 +312,8 @@ struct intel_hdcp_shim {
                                 bool enable);
 
        /* Ensures the link is still protected */
-       bool (*check_link)(struct intel_digital_port *intel_dig_port);
+       bool (*check_link)(struct intel_digital_port *intel_dig_port,
+                          struct intel_connector *connector);
 
        /* Detects panel's hdcp capability. This is optional for HDMI. */
        int (*hdcp_capable)(struct intel_digital_port *intel_dig_port,
diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c 
b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
index abcb53975e0d5..549f02f622b45 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
@@ -538,7 +538,8 @@ int intel_dp_hdcp_toggle_signalling(struct 
intel_digital_port *intel_dig_port,
 }
 
 static
-bool intel_dp_hdcp_check_link(struct intel_digital_port *intel_dig_port)
+bool intel_dp_hdcp_check_link(struct intel_digital_port *intel_dig_port,
+                             struct intel_connector *connector)
 {
        ssize_t ret;
        u8 bstatus;
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c 
b/drivers/gpu/drm/i915/display/intel_hdcp.c
index fc3ce7586084c..e0418ad202d1f 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -956,7 +956,7 @@ static int intel_hdcp_check_link(struct intel_connector 
*connector)
                goto out;
        }
 
-       if (hdcp->shim->check_link(intel_dig_port)) {
+       if (hdcp->shim->check_link(intel_dig_port, connector)) {
                if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
                        intel_hdcp_update_value(connector,
                                DRM_MODE_CONTENT_PROTECTION_ENABLED, true);
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c 
b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 8b32c3c986bca..288525a9fdf7c 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -1522,11 +1522,10 @@ int intel_hdmi_hdcp_toggle_signalling(struct 
intel_digital_port *intel_dig_port,
 }
 
 static
-bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port)
+bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port,
+                               struct intel_connector *connector)
 {
        struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
-       struct intel_connector *connector =
-               intel_dig_port->hdmi.attached_connector;
        enum port port = intel_dig_port->base.port;
        enum transcoder cpu_transcoder = connector->hdcp.cpu_transcoder;
        int ret;
-- 
Sean Paul, Software Engineer, Google / Chromium OS

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