[PATCH 03/19] drm/amd/display: update hdcp display using correct CP type.

Aurabindo Pillai aurabindo.pillai at amd.com
Fri Apr 16 14:34:01 UTC 2021


From: "Dingchen (David) Zhang" <dingchen.zhang at amd.com>

[why]
currently we enforce to update hdcp display using TYPE0, but there
is case that connector CP type prop be TYPE1 instead of type0.

[how]
using the drm prop of CP type of the connector as input argument.

Signed-off-by: Dingchen (David) Zhang <dingchen.zhang at amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

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 60f91853bd82..616f5b1ea3a8 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
@@ -434,6 +434,7 @@ static void update_config(void *handle, struct cp_psp_stream_config *config)
 	int link_index = aconnector->dc_link->link_index;
 	struct mod_hdcp_display *display = &hdcp_work[link_index].display;
 	struct mod_hdcp_link *link = &hdcp_work[link_index].link;
+	struct drm_connector_state *conn_state;
 
 	if (config->dpms_off) {
 		hdcp_remove_display(hdcp_work, link_index, aconnector);
@@ -459,8 +460,13 @@ static void update_config(void *handle, struct cp_psp_stream_config *config)
 	display->adjust.disable = MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION;
 	link->adjust.auth_delay = 3;
 	link->adjust.hdcp1.disable = 0;
+	conn_state = aconnector->base.state;
 
-	hdcp_update_display(hdcp_work, link_index, aconnector, DRM_MODE_HDCP_CONTENT_TYPE0, false);
+	pr_debug("[HDCP_DM] display %d, CP %d, type %d\n", aconnector->base.index,
+			(!!aconnector->base.state) ? aconnector->base.state->content_protection : -1,
+			(!!aconnector->base.state) ? aconnector->base.state->hdcp_content_type : -1);
+
+	hdcp_update_display(hdcp_work, link_index, aconnector, conn_state->hdcp_content_type, false);
 }
 
 
-- 
2.31.1



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