From: Fangzhi Zuo <Jerry.Zuo@amd.com>
Date: Fri, 23 Apr 2021 21:00:04 +0000 (-0400)
Subject: drm/amd/display: Add dc log for DP SST DSC enable/disable
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=eda8f7993d0a321fb902e3aad5eb86a8184a143d;p=linux.git

drm/amd/display: Add dc log for DP SST DSC enable/disable

Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Mikita Lipski <Mikita.Lipski@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 90eacdac0ea0c..4646b0d029399 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -544,8 +544,10 @@ bool dm_helpers_dp_write_dsc_enable(
 		ret = drm_dp_dpcd_write(aconnector->dsc_aux, DP_DSC_ENABLE, &enable_dsc, 1);
 	}
 
-	if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT)
-		return dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1);
+	if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT) {
+		ret = dm_helpers_dp_write_dpcd(ctx, stream->link, DP_DSC_ENABLE, &enable_dsc, 1);
+		DC_LOG_DC("Send DSC %s to sst display\n", enable_dsc ? "enable" : "disable");
+	}
 
 	return (ret > 0);
 }