On Tue, Mar 18, 2014 at 3:44 AM, Jani Nikula
<jani.nikula@xxxxxxxxxxxxxxx> wrote:
> On Tue, 18 Mar 2014, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
>> Switch to debug only to avoid flooding the logs.
>> This mirrors the behavior in some other drivers.
>
> I'd rather think we should find out why the DP devices are replying with
> repeated native or i2c-over-aux defers. This doesn't help; I'm not in
> favour.
While I agree with you in theory, in practice this will generate a ton
of regression bug reports since there will be new error messages in
the kernel log on some systems even though the displays are working
fine. I'm only seeing this on certain cards, others are perfectly
fine even with the same monitors and I don't have the bandwidth right
now to debug this further. In all cases the monitors are working
correctly.
Alex
>
> BR,
> Jani.
>
>
>>
>> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
>> ---
>> drivers/gpu/drm/drm_dp_helper.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
>> index 35251af..74724aa 100644
>> --- a/drivers/gpu/drm/drm_dp_helper.c
>> +++ b/drivers/gpu/drm/drm_dp_helper.c
>> @@ -402,7 +402,7 @@ static int drm_dp_dpcd_access(struct drm_dp_aux *aux, u8 request,
>> }
>> }
>>
>> - DRM_ERROR("too many retries, giving up\n");
>> + DRM_DEBUG_KMS("too many retries, giving up\n");
>> return -EIO;
>> }
>>
>> @@ -656,7 +656,7 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
>> }
>> }
>>
>> - DRM_ERROR("too many retries, giving up\n");
>> + DRM_DEBUG_KMS("too many retries, giving up\n");
>> return -EREMOTEIO;
>> }
>>
>> --
>> 1.8.3.1
>>
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>
> --
> Jani Nikula, Intel Open Source Technology Center
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