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path: root/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c')
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
index 20e554e771d1..68a6481d7f8f 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -53,7 +53,7 @@ static uint8_t is_cp_desired_hdcp1(struct mod_hdcp *hdcp)
*/
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_INACTIVE &&
- !hdcp->displays[i].adjust.disable) {
+ hdcp->displays[i].adjust.disable != MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION) {
is_auth_needed = 1;
break;
}
@@ -74,7 +74,7 @@ static uint8_t is_cp_desired_hdcp2(struct mod_hdcp *hdcp)
*/
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_INACTIVE &&
- !hdcp->displays[i].adjust.disable) {
+ hdcp->displays[i].adjust.disable != MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION) {
is_auth_needed = 1;
break;
}
@@ -314,6 +314,9 @@ enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp,
goto out;
}
+ /* save current encryption states to restore after next authentication */
+ mod_hdcp_save_current_encryption_states(hdcp);
+
/* reset existing authentication status */
status = reset_authentication(hdcp, output);
if (status != MOD_HDCP_STATUS_SUCCESS)
@@ -360,6 +363,9 @@ enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp,
goto out;
}
+ /* save current encryption states to restore after next authentication */
+ mod_hdcp_save_current_encryption_states(hdcp);
+
/* stop current authentication */
status = reset_authentication(hdcp, output);
if (status != MOD_HDCP_STATUS_SUCCESS)