From: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> Date: Thu, 13 Apr 2023 15:49:15 +0000 (+0530) Subject: drm/amd/display: Add logging when setting DP sink power state fails X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ca9beb8aac68;p=users%2Fjedix%2Flinux-maple.git drm/amd/display: Add logging when setting DP sink power state fails Log if we fail to setup sink power states. Cc: Fangzhi Zuo <Jerry.Zuo@amd.com> Cc: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> --- 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; }