[PATCH] drm/amd/display: Avoid flooding unnecessary info messages

Wayne Lin Wayne.Lin at amd.com
Tue May 13 03:20:24 UTC 2025


It's expected that we'll encounter temporary exceptions
during aux transactions. Adjust logging from drm_info to
drm_dbg_dp to prevent flooding with unnecessary log messages.

Fixes: 6285f12bc54c ("drm/amd/display: Fix wrong handling for AUX_DEFER case")
Cc: stable at vger.kernel.org
Cc: Mario Limonciello <mario.limonciello at amd.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 0d7b72c75802..25e8befbcc47 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -107,7 +107,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 	if (payload.write && result >= 0) {
 		if (result) {
 			/*one byte indicating partially written bytes*/
-			drm_info(adev_to_drm(adev), "amdgpu: AUX partially written\n");
+			drm_dbg_dp(adev_to_drm(adev), "amdgpu: AUX partially written\n");
 			result = payload.data[0];
 		} else if (!payload.reply[0])
 			/*I2C_ACK|AUX_ACK*/
@@ -133,11 +133,11 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 			break;
 		}
 
-		drm_info(adev_to_drm(adev), "amdgpu: DP AUX transfer fail:%d\n", operation_result);
+		drm_dbg_dp(adev_to_drm(adev), "amdgpu: DP AUX transfer fail:%d\n", operation_result);
 	}
 
 	if (payload.reply[0])
-		drm_info(adev_to_drm(adev), "amdgpu: AUX reply command not ACK: 0x%02x.",
+		drm_dbg_dp(adev_to_drm(adev), "amdgpu: AUX reply command not ACK: 0x%02x.",
 			payload.reply[0]);
 
 	return result;
-- 
2.43.0



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