[Why]
we need to load SRM before we start HDCP. For S3 case the sysfs call will be
after we already enabled HDCP
[How]
Set srm before starting HDCP
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 7 +++++++
1 file changed, 7 insertions(+)
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 a191c84ad8eb..129696e997b6 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;
--
2.17.1
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
