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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
index 221abee517ee..fe043b18bb21 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
@@ -136,6 +136,13 @@ void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
hdcp_w->link.adjust.hdcp2.force_type = MOD_HDCP_FORCE_TYPE_0;
if (enable_encryption) {
+ /* Explicitly set the saved SRM as sysfs call will be after we already enabled hdcp
+ * (s3 resume case)
+ */
+ if (hdcp_work->srm_size > 0)
+ psp_set_srm(hdcp_work->hdcp.config.psp.handle, hdcp_work->srm, hdcp_work->srm_size,
+ &hdcp_work->srm_version);
+
display->adjust.disable = 0;
if (content_type == DRM_MODE_HDCP_CONTENT_TYPE0)
hdcp_w->link.adjust.hdcp2.force_type = MOD_HDCP_FORCE_TYPE_0;