hdcp: update protection level to drm connectorandroid-u-qpr2-beta-3_r0.8android-u-qpr2-beta-3.1_r0.8android-14.0.0_r0.77android-14.0.0_r0.67android-14.0.0_r0.57android-gs-shusky-5.15-android14-qpr2-betaandroid-gs-shusky-5.15-android14-qpr2

Bug: 307592398
Change-Id: Ie3a7c3f690db74c59dfcca449b8d19f2b5c5ab63
Signed-off-by: Ji Soo Shin <jisshin@google.com>

3 files changed, 28 insertions, 5 deletions

diff --git a/dpcd.c b/dpcd.c
index 0c29913..fc75bdc 100644
--- a/dpcd.c
+++ b/dpcd.c
@@ -19,10 +19,14 @@
 #include "dpcd.h"
 #include "hdcp-log.h"
 
-static void (*pdp_hdcp22_enable)(u32 en);
+static void (*pdp_hdcp_update_cp)(u32 drm_cp_status);
 static int (*pdp_dpcd_read_for_hdcp22)(u32 address, u32 length, u8 *data);
 static int (*pdp_dpcd_write_for_hdcp22)(u32 address, u32 length, u8 *data);
 
+void hdcp_dplink_update_cp(uint32_t drm_cp_status) {
+	pdp_hdcp_update_cp(drm_cp_status);
+}
+
 int hdcp_dplink_recv(uint32_t addr, uint8_t *data, uint32_t size)
 {
 	return pdp_dpcd_read_for_hdcp22(addr, size, data);
@@ -35,7 +39,7 @@ int hdcp_dplink_send(uint32_t addr, uint8_t *data, uint32_t size)
 
 void dp_register_func_for_hdcp22(void (*func0)(u32 en), int (*func1)(u32 address, u32 length, u8 *data), int (*func2)(u32 address, u32 length, u8 *data))
 {
-	pdp_hdcp22_enable = func0;
+	pdp_hdcp_update_cp = func0;
 	pdp_dpcd_read_for_hdcp22 = func1;
 	pdp_dpcd_write_for_hdcp22 = func2;
 }
diff --git a/dpcd.h b/dpcd.h
index ccbdb12..fb8cacb 100644
--- a/dpcd.h
+++ b/dpcd.h
@@ -11,6 +11,11 @@
 #ifndef __EXYNOS_HDCP_DPCD_H__
 #define __EXYNOS_HDCP_DPCD_H__
 
+/* Used to update the current authentication status through uevent.
+ * pass in either DRM_MODE_CONTENT_PROTECTION_ENABLED or
+ * DRM_MODE_CONTENT_PROTECTION_DESIRED */
+void hdcp_dplink_update_cp(uint32_t drm_cp_status);
+
 int hdcp_dplink_recv(uint32_t msg_name, uint8_t *data, uint32_t size);
 int hdcp_dplink_send(uint32_t msg_name, uint8_t *data, uint32_t size);
 
diff --git a/teeif.c b/teeif.c
index 4ed2a81..f439b02 100644
--- a/teeif.c
+++ b/teeif.c
@@ -16,7 +16,9 @@
 #include <linux/module.h>
 #include <asm/cacheflush.h>
 #include <linux/dma-mapping.h>
+#include <drm/drm_mode.h>
 
+#include "dpcd.h"
 #include "teeif.h"
 #include "hdcp-log.h"
 
@@ -249,15 +251,27 @@ int hdcp_tee_send_cmd(uint32_t cmd) {
 }
 
 int hdcp_tee_enable_enc_22(void) {
-	return hdcp_tee_comm_xchg(HDCP_CMD_ENCRYPTION_SET, HDCP_V2_3, NULL,
-		NULL);
+	int ret = hdcp_tee_comm_xchg(HDCP_CMD_ENCRYPTION_SET, HDCP_V2_3, NULL,
+			NULL);
+	if (ret)
+		return ret;
+
+	hdcp_dplink_update_cp(DRM_MODE_CONTENT_PROTECTION_ENABLED);
+	return 0;
 }
 
 int hdcp_tee_enable_enc_13(void) {
-	return hdcp_tee_comm_xchg(HDCP_CMD_ENCRYPTION_SET, HDCP_V1, NULL, NULL);
+	int ret = hdcp_tee_comm_xchg(HDCP_CMD_ENCRYPTION_SET, HDCP_V1, NULL,
+			NULL);
+	if (ret)
+		return ret;
+
+	hdcp_dplink_update_cp(DRM_MODE_CONTENT_PROTECTION_ENABLED);
+	return 0;
 }
 
 int hdcp_tee_disable_enc(void) {
+	hdcp_dplink_update_cp(DRM_MODE_CONTENT_PROTECTION_DESIRED);
 	return hdcp_tee_comm_xchg(HDCP_CMD_ENCRYPTION_SET, HDCP_NONE, NULL, NULL);
 }