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

["Yadav, Arvind" <arvyadav@amd.com>]

These log messages are overwhelming during the boot process.

Acked-by: Arvind Yadav <Arvind.Yadav@amd.com>
~arvind

On 5/13/2025 7:05 PM, Harry Wentland wrote:
>
> On 2025-05-12 23:20, Wayne Lin wrote:
>> 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@vger.kernel.org
>> Cc: Mario Limonciello <mario.limonciello@amd.com>
>> Cc: Alex Deucher <alexander.deucher@amd.com>
>> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
> Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>
> Harry
>
>> ---
>>   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;