summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c')
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index ee67a35c2a8e..6b7db8ec9a53 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -260,6 +260,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
return MOD_HDCP_STATUS_FAILURE;
}
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
mutex_lock(&psp->hdcp_context.mutex);
@@ -368,6 +371,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
struct mod_hdcp_display *display = get_first_active_display(hdcp);
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -443,7 +449,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
- continue;
+ continue;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -926,7 +932,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
- continue;
+ continue;
hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.session_handle = hdcp->auth.id;