diff mbox series

drm/i915/display: Drop redundant debug print

Message ID 20210812125845.27787-1-swati2.sharma@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/display: Drop redundant debug print | expand

Commit Message

Sharma, Swati2 Aug. 12, 2021, 12:58 p.m. UTC
drm_dp_dpcd_read/write already has debug error message.
Drop redundant error messages which gives false
status even if correct value is read in drm_dp_dpcd_read().

Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
Cc: Swati Sharma <swati2.sharma@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com> (v2)
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: <stable@vger.kernel.org> # v5.12+

Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Comments

Jani Nikula Aug. 13, 2021, 7:46 a.m. UTC | #1
On Thu, 12 Aug 2021, Swati Sharma <swati2.sharma@intel.com> wrote:
> drm_dp_dpcd_read/write already has debug error message.
> Drop redundant error messages which gives false
> status even if correct value is read in drm_dp_dpcd_read().

I guess the only problem is it gets harder to associate the preceding
low level error messages with intel_dp_check_link_service_irq(). *shrug*

Reviewed-by: Jani Nikula <jani.nikula@intel.com>


>
> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
> Cc: Swati Sharma <swati2.sharma@intel.com>
> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
> Cc: Uma Shankar <uma.shankar@intel.com> (v2)
> Cc: Jani Nikula <jani.nikula@intel.com>
> Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
> Cc: Imre Deak <imre.deak@intel.com>
> Cc: Manasi Navare <manasi.d.navare@intel.com>
> Cc: Uma Shankar <uma.shankar@intel.com>
> Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
> Cc: Sean Paul <seanpaul@chromium.org>
> Cc: <stable@vger.kernel.org> # v5.12+
>
> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
> Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index c386ef8eb200..5c84f51ad41d 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>  		return;
>  
>  	if (drm_dp_dpcd_readb(&intel_dp->aux,
> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>  		return;
> -	}
>  
>  	if (drm_dp_dpcd_writeb(&intel_dp->aux,
> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>  		return;
> -	}
>  
>  	if (val & HDMI_LINK_STATUS_CHANGED)
>  		intel_dp_handle_hdmi_link_status_change(intel_dp);
Sharma, Swati2 Aug. 16, 2021, 11:54 a.m. UTC | #2
On 13-Aug-21 1:16 PM, Jani Nikula wrote:
> On Thu, 12 Aug 2021, Swati Sharma <swati2.sharma@intel.com> wrote:
>> drm_dp_dpcd_read/write already has debug error message.
>> Drop redundant error messages which gives false
>> status even if correct value is read in drm_dp_dpcd_read().
> 
> I guess the only problem is it gets harder to associate the preceding
> low level error messages with intel_dp_check_link_service_irq(). *shrug*
> 
> Reviewed-by: Jani Nikula <jani.nikula@intel.com>
> 
> 
Thanks Jani for the review. Can you please merge?

>>
>> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
>> Cc: Swati Sharma <swati2.sharma@intel.com>
>> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
>> Cc: Uma Shankar <uma.shankar@intel.com> (v2)
>> Cc: Jani Nikula <jani.nikula@intel.com>
>> Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
>> Cc: Imre Deak <imre.deak@intel.com>
>> Cc: Manasi Navare <manasi.d.navare@intel.com>
>> Cc: Uma Shankar <uma.shankar@intel.com>
>> Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
>> Cc: Sean Paul <seanpaul@chromium.org>
>> Cc: <stable@vger.kernel.org> # v5.12+
>>
>> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
>> Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
>> ---
>>   drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>>   1 file changed, 2 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>> index c386ef8eb200..5c84f51ad41d 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>>   		return;
>>   
>>   	if (drm_dp_dpcd_readb(&intel_dp->aux,
>> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
>> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
>> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>>   		return;
>> -	}
>>   
>>   	if (drm_dp_dpcd_writeb(&intel_dp->aux,
>> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
>> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
>> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>>   		return;
>> -	}
>>   
>>   	if (val & HDMI_LINK_STATUS_CHANGED)
>>   		intel_dp_handle_hdmi_link_status_change(intel_dp);
>
Jani Nikula Aug. 16, 2021, 12:10 p.m. UTC | #3
On Mon, 16 Aug 2021, "Sharma, Swati2" <swati2.sharma@intel.com> wrote:
> On 13-Aug-21 1:16 PM, Jani Nikula wrote:
>> On Thu, 12 Aug 2021, Swati Sharma <swati2.sharma@intel.com> wrote:
>>> drm_dp_dpcd_read/write already has debug error message.
>>> Drop redundant error messages which gives false
>>> status even if correct value is read in drm_dp_dpcd_read().
>> 
>> I guess the only problem is it gets harder to associate the preceding
>> low level error messages with intel_dp_check_link_service_irq(). *shrug*
>> 
>> Reviewed-by: Jani Nikula <jani.nikula@intel.com>
>> 
>> 
> Thanks Jani for the review. Can you please merge?

There was another version with open review?

BR,
Jani.


>
>>>
>>> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
>>> Cc: Swati Sharma <swati2.sharma@intel.com>
>>> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
>>> Cc: Uma Shankar <uma.shankar@intel.com> (v2)
>>> Cc: Jani Nikula <jani.nikula@intel.com>
>>> Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
>>> Cc: Imre Deak <imre.deak@intel.com>
>>> Cc: Manasi Navare <manasi.d.navare@intel.com>
>>> Cc: Uma Shankar <uma.shankar@intel.com>
>>> Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
>>> Cc: Sean Paul <seanpaul@chromium.org>
>>> Cc: <stable@vger.kernel.org> # v5.12+
>>>
>>> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
>>> Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
>>> ---
>>>   drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>>>   1 file changed, 2 insertions(+), 6 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>> index c386ef8eb200..5c84f51ad41d 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>>>   		return;
>>>   
>>>   	if (drm_dp_dpcd_readb(&intel_dp->aux,
>>> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
>>> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
>>> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>>>   		return;
>>> -	}
>>>   
>>>   	if (drm_dp_dpcd_writeb(&intel_dp->aux,
>>> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
>>> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
>>> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>>>   		return;
>>> -	}
>>>   
>>>   	if (val & HDMI_LINK_STATUS_CHANGED)
>>>   		intel_dp_handle_hdmi_link_status_change(intel_dp);
>>
Sharma, Swati2 Aug. 16, 2021, 12:17 p.m. UTC | #4
On 16-Aug-21 5:40 PM, Jani Nikula wrote:
> On Mon, 16 Aug 2021, "Sharma, Swati2" <swati2.sharma@intel.com> wrote:
>> On 13-Aug-21 1:16 PM, Jani Nikula wrote:
>>> On Thu, 12 Aug 2021, Swati Sharma <swati2.sharma@intel.com> wrote:
>>>> drm_dp_dpcd_read/write already has debug error message.
>>>> Drop redundant error messages which gives false
>>>> status even if correct value is read in drm_dp_dpcd_read().
>>>
>>> I guess the only problem is it gets harder to associate the preceding
>>> low level error messages with intel_dp_check_link_service_irq(). *shrug*
>>>
>>> Reviewed-by: Jani Nikula <jani.nikula@intel.com>
>>>
>>>
>> Thanks Jani for the review. Can you please merge?
> 
> There was another version with open review?

Yes. https://patchwork.freedesktop.org/series/93025/#rev3
Should I add debug prints how Imre suggested in other IRQ func
to make it generic or should it be dropped from here too?
Quoting imre
"Yes, that's why I suggested to return for the '0 value read' case 
without any message printed, but still keep the message for the case 
when the drm_dp_dpcd_readb() fails."
"Ok, it's good to keep them in sync at least, so I'm ok with removing 
the debug messages from here too."

Please let me know what is the better approach.
> 
> BR,
> Jani.
> 
> 
>>
>>>>
>>>> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
>>>> Cc: Swati Sharma <swati2.sharma@intel.com>
>>>> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
>>>> Cc: Uma Shankar <uma.shankar@intel.com> (v2)
>>>> Cc: Jani Nikula <jani.nikula@intel.com>
>>>> Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
>>>> Cc: Imre Deak <imre.deak@intel.com>
>>>> Cc: Manasi Navare <manasi.d.navare@intel.com>
>>>> Cc: Uma Shankar <uma.shankar@intel.com>
>>>> Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
>>>> Cc: Sean Paul <seanpaul@chromium.org>
>>>> Cc: <stable@vger.kernel.org> # v5.12+
>>>>
>>>> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
>>>> Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
>>>> ---
>>>>    drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>>>>    1 file changed, 2 insertions(+), 6 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>>> index c386ef8eb200..5c84f51ad41d 100644
>>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>>> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>>>>    		return;
>>>>    
>>>>    	if (drm_dp_dpcd_readb(&intel_dp->aux,
>>>> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
>>>> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
>>>> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>>>>    		return;
>>>> -	}
>>>>    
>>>>    	if (drm_dp_dpcd_writeb(&intel_dp->aux,
>>>> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
>>>> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
>>>> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>>>>    		return;
>>>> -	}
>>>>    
>>>>    	if (val & HDMI_LINK_STATUS_CHANGED)
>>>>    		intel_dp_handle_hdmi_link_status_change(intel_dp);
>>>
>
Jani Nikula Aug. 16, 2021, 12:28 p.m. UTC | #5
On Mon, 16 Aug 2021, "Sharma, Swati2" <swati2.sharma@intel.com> wrote:
> On 16-Aug-21 5:40 PM, Jani Nikula wrote:
>> On Mon, 16 Aug 2021, "Sharma, Swati2" <swati2.sharma@intel.com> wrote:
>>> On 13-Aug-21 1:16 PM, Jani Nikula wrote:
>>>> On Thu, 12 Aug 2021, Swati Sharma <swati2.sharma@intel.com> wrote:
>>>>> drm_dp_dpcd_read/write already has debug error message.
>>>>> Drop redundant error messages which gives false
>>>>> status even if correct value is read in drm_dp_dpcd_read().
>>>>
>>>> I guess the only problem is it gets harder to associate the preceding
>>>> low level error messages with intel_dp_check_link_service_irq(). *shrug*
>>>>
>>>> Reviewed-by: Jani Nikula <jani.nikula@intel.com>
>>>>
>>>>
>>> Thanks Jani for the review. Can you please merge?
>> 
>> There was another version with open review?
>
> Yes. https://patchwork.freedesktop.org/series/93025/#rev3
> Should I add debug prints how Imre suggested in other IRQ func
> to make it generic or should it be dropped from here too?
> Quoting imre
> "Yes, that's why I suggested to return for the '0 value read' case 
> without any message printed, but still keep the message for the case 
> when the drm_dp_dpcd_readb() fails."
> "Ok, it's good to keep them in sync at least, so I'm ok with removing 
> the debug messages from here too."
>
> Please let me know what is the better approach.

IMO just nuke them.

BR,
Jani



>> 
>> BR,
>> Jani.
>> 
>> 
>>>
>>>>>
>>>>> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
>>>>> Cc: Swati Sharma <swati2.sharma@intel.com>
>>>>> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
>>>>> Cc: Uma Shankar <uma.shankar@intel.com> (v2)
>>>>> Cc: Jani Nikula <jani.nikula@intel.com>
>>>>> Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
>>>>> Cc: Imre Deak <imre.deak@intel.com>
>>>>> Cc: Manasi Navare <manasi.d.navare@intel.com>
>>>>> Cc: Uma Shankar <uma.shankar@intel.com>
>>>>> Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
>>>>> Cc: Sean Paul <seanpaul@chromium.org>
>>>>> Cc: <stable@vger.kernel.org> # v5.12+
>>>>>
>>>>> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
>>>>> Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
>>>>> ---
>>>>>    drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>>>>>    1 file changed, 2 insertions(+), 6 deletions(-)
>>>>>
>>>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>>>> index c386ef8eb200..5c84f51ad41d 100644
>>>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>>>> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>>>>>    		return;
>>>>>    
>>>>>    	if (drm_dp_dpcd_readb(&intel_dp->aux,
>>>>> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
>>>>> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
>>>>> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>>>>>    		return;
>>>>> -	}
>>>>>    
>>>>>    	if (drm_dp_dpcd_writeb(&intel_dp->aux,
>>>>> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
>>>>> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
>>>>> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>>>>>    		return;
>>>>> -	}
>>>>>    
>>>>>    	if (val & HDMI_LINK_STATUS_CHANGED)
>>>>>    		intel_dp_handle_hdmi_link_status_change(intel_dp);
>>>>
>>
Sharma, Swati2 Aug. 19, 2021, 2:09 p.m. UTC | #6
On 16-Aug-21 5:58 PM, Jani Nikula wrote:
> On Mon, 16 Aug 2021, "Sharma, Swati2" <swati2.sharma@intel.com> wrote:
>> On 16-Aug-21 5:40 PM, Jani Nikula wrote:
>>> On Mon, 16 Aug 2021, "Sharma, Swati2" <swati2.sharma@intel.com> wrote:
>>>> On 13-Aug-21 1:16 PM, Jani Nikula wrote:
>>>>> On Thu, 12 Aug 2021, Swati Sharma <swati2.sharma@intel.com> wrote:
>>>>>> drm_dp_dpcd_read/write already has debug error message.
>>>>>> Drop redundant error messages which gives false
>>>>>> status even if correct value is read in drm_dp_dpcd_read().
>>>>>
>>>>> I guess the only problem is it gets harder to associate the preceding
>>>>> low level error messages with intel_dp_check_link_service_irq(). *shrug*
>>>>>
>>>>> Reviewed-by: Jani Nikula <jani.nikula@intel.com>
>>>>>
>>>>>
>>>> Thanks Jani for the review. Can you please merge?
>>>
>>> There was another version with open review?
>>
>> Yes. https://patchwork.freedesktop.org/series/93025/#rev3
>> Should I add debug prints how Imre suggested in other IRQ func
>> to make it generic or should it be dropped from here too?
>> Quoting imre
>> "Yes, that's why I suggested to return for the '0 value read' case
>> without any message printed, but still keep the message for the case
>> when the drm_dp_dpcd_readb() fails."
>> "Ok, it's good to keep them in sync at least, so I'm ok with removing
>> the debug messages from here too."
>>
>> Please let me know what is the better approach.
> 
> IMO just nuke them.

Thanks Jani N. Imre agrees on same. Can we merge now?
https://patchwork.freedesktop.org/series/93025/#rev3

> 
> BR,
> Jani
> 
> 
> 
>>>
>>> BR,
>>> Jani.
>>>
>>>
>>>>
>>>>>>
>>>>>> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
>>>>>> Cc: Swati Sharma <swati2.sharma@intel.com>
>>>>>> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
>>>>>> Cc: Uma Shankar <uma.shankar@intel.com> (v2)
>>>>>> Cc: Jani Nikula <jani.nikula@intel.com>
>>>>>> Cc: "Ville Syrj_l_" <ville.syrjala@linux.intel.com>
>>>>>> Cc: Imre Deak <imre.deak@intel.com>
>>>>>> Cc: Manasi Navare <manasi.d.navare@intel.com>
>>>>>> Cc: Uma Shankar <uma.shankar@intel.com>
>>>>>> Cc: "Jos_ Roberto de Souza" <jose.souza@intel.com>
>>>>>> Cc: Sean Paul <seanpaul@chromium.org>
>>>>>> Cc: <stable@vger.kernel.org> # v5.12+
>>>>>>
>>>>>> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com
>>>>>> Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
>>>>>> ---
>>>>>>     drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------
>>>>>>     1 file changed, 2 insertions(+), 6 deletions(-)
>>>>>>
>>>>>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
>>>>>> index c386ef8eb200..5c84f51ad41d 100644
>>>>>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>>>>>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>>>>>> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
>>>>>>     		return;
>>>>>>     
>>>>>>     	if (drm_dp_dpcd_readb(&intel_dp->aux,
>>>>>> -			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
>>>>>> -		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
>>>>>> +			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
>>>>>>     		return;
>>>>>> -	}
>>>>>>     
>>>>>>     	if (drm_dp_dpcd_writeb(&intel_dp->aux,
>>>>>> -			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
>>>>>> -		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
>>>>>> +			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
>>>>>>     		return;
>>>>>> -	}
>>>>>>     
>>>>>>     	if (val & HDMI_LINK_STATUS_CHANGED)
>>>>>>     		intel_dp_handle_hdmi_link_status_change(intel_dp);
>>>>>
>>>
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c386ef8eb200..5c84f51ad41d 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3871,16 +3871,12 @@  static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
 		return;
 
 	if (drm_dp_dpcd_readb(&intel_dp->aux,
-			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
-		drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
+			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
 		return;
-	}
 
 	if (drm_dp_dpcd_writeb(&intel_dp->aux,
-			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
-		drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
+			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
 		return;
-	}
 
 	if (val & HDMI_LINK_STATUS_CHANGED)
 		intel_dp_handle_hdmi_link_status_change(intel_dp);