[PATCH 05/14] drm/amd/display: Add dc log for DP SST DSC enable/disable

Stylon Wang stylon.wang at amd.com
Fri May 7 14:58:13 UTC 2021


From: Fangzhi Zuo <Jerry.Zuo at amd.com>

Signed-off-by: Fangzhi Zuo <Jerry.Zuo at amd.com>
Reviewed-by: Mikita Lipski <Mikita.Lipski at amd.com>
Acked-by: Stylon Wang <stylon.wang at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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 90eacdac0ea0..4646b0d02939 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);
 }
-- 
2.25.1



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