Reviewed-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
On 4/13/23 14:02, Srinivasan Shanmugam wrote:
Log if we fail to setup sink power states.
Cc: Fangzhi Zuo <Jerry.Zuo@xxxxxxx>
Cc: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
---
v2:
- Change DC_LOG_HW_LINK_TRAINING to DC_LOG_DC, as link training related
code moved to drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c (Aurabindo)
.../gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index c840ef17802e..ba98013fecd0 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -1043,6 +1043,9 @@ static enum dc_status wake_up_aux_channel(struct dc_link *link)
DP_SET_POWER,
&dpcd_power_state,
sizeof(dpcd_power_state));
+ if (status < 0)
+ DC_LOG_DC("%s: Failed to power up sink: %s\n", __func__,
+ dpcd_power_state == DP_SET_POWER_D0 ? "D0" : "D3");
return DC_ERROR_UNEXPECTED;
}
