[Intel-xe] [PATCH v4 2/3] drm/i915/hdcp: Move checks for gsc health status

[Suraj Kandpal]

Move checks for gsc components required for HDCP 2.2
to work into intel_hdcp_gsc.c. This will also help
with XE refactor on HDCP's side.

Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
Reviewed-by: Uma Shankar <uma.shankar at intel.com>
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231009095537.653619-2-suraj.kandpal@intel.com
---
 drivers/gpu/drm/i915/display/intel_hdcp.c     |  8 +-------
 drivers/gpu/drm/i915/display/intel_hdcp_gsc.c | 14 ++++++++++++++
 drivers/gpu/drm/i915/display/intel_hdcp_gsc.h |  1 +
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 8cca4793cf92..c89da3568ebd 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -173,14 +173,8 @@ bool intel_hdcp2_capable(struct intel_connector *connector)
 
 	/* If MTL+ make sure gsc is loaded and proxy is setup */
 	if (intel_hdcp_gsc_cs_required(i915)) {
-		struct intel_gt *gt = i915->media_gt;
-		struct intel_gsc_uc *gsc = gt ? &gt->uc.gsc : NULL;
-
-		if (!gsc || !intel_uc_fw_is_running(&gsc->fw)) {
-			drm_dbg_kms(&i915->drm,
-				    "GSC components required for HDCP2.2 are not ready\n");
+		if (!intel_hdcp_gsc_check_status(i915))
 			return false;
-		}
 	}
 
 	/* MEI/GSC interface is solid depending on which is used */
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c b/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c
index 4ab640b4e7ec..69af416cffe6 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp_gsc.c
@@ -12,6 +12,20 @@
 #include "i915_utils.h"
 #include "intel_hdcp_gsc.h"
 
+bool intel_hdcp_gsc_check_status(struct drm_i915_private *i915)
+{
+	struct intel_gt *gt = i915->media_gt;
+	struct intel_gsc_uc *gsc = gt ? &gt->uc.gsc : NULL;
+
+	if (!gsc || !intel_uc_fw_is_running(&gsc->fw)) {
+		drm_dbg_kms(&i915->drm,
+			    "GSC components required for HDCP2.2 are not ready\n");
+		return false;
+	}
+
+	return true;
+}
+
 static int
 gsc_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
 			  struct hdcp2_ake_init *ake_data)
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp_gsc.h b/drivers/gpu/drm/i915/display/intel_hdcp_gsc.h
index 704acd3ed46b..dcbf9b0b22c6 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp_gsc.h
+++ b/drivers/gpu/drm/i915/display/intel_hdcp_gsc.h
@@ -26,5 +26,6 @@ ssize_t intel_hdcp_gsc_msg_send(struct drm_i915_private *i915, u8 *msg_in,
 				size_t msg_out_len);
 int intel_hdcp_gsc_init(struct drm_i915_private *i915);
 void intel_hdcp_gsc_fini(struct drm_i915_private *i915);
+bool intel_hdcp_gsc_check_status(struct drm_i915_private *i915);
 
 #endif /* __INTEL_HDCP_GCS_H__ */
-- 
2.25.1