[why]
power off dp receiver directly cause garbage during hw init
[how]
blank dp stream and then power off receiver
Signed-off-by: Xiaodong Yan <Xiaodong.Yan@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
uint8_t dpcd_power_state = '\0';
enum dc_status status = DC_ERROR_UNEXPECTED;
+ /* blank all dp streams before power off receiver,
+ * this should only impact DP
+ */
+ for (i = 0; i < dc->res_pool->stream_enc_count; i++) {
+ dc->res_pool->stream_enc[i]->funcs->dp_blank(
+ dc->res_pool->stream_enc[i]);
+ }
+
for (i = 0; i < dc->link_count; i++) {
if (dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)
continue;