[Intel-gfx] [PATCH 2/3] drm/i915/dp: use drm_edid_duplicate

Jani Nikula jani.nikula at intel.com
Tue Oct 1 09:37:08 CEST 2013


On Tue, 01 Oct 2013, Dave Airlie <airlied at gmail.com> wrote:
> Did you compile or boot this? I get a warning since you are using edid
> uninitialised, I guess you meant to duplicate intel_connector->edid.

Hi Dave, quite embarrassing, I thought I did, obviously didn't. Updated
patch follows.


BR,
Jani.


>
> Dave.
>
>>  drivers/gpu/drm/i915/intel_dp.c |    8 +-------
>>  1 file changed, 1 insertion(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>> index 95a3159..aed9d67 100644
>> --- a/drivers/gpu/drm/i915/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/intel_dp.c
>> @@ -2920,18 +2920,12 @@ intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
>>         /* use cached edid if we have one */
>>         if (intel_connector->edid) {
>>                 struct edid *edid;
>> -               int size;
>>
>>                 /* invalid edid */
>>                 if (IS_ERR(intel_connector->edid))
>>                         return NULL;
>>
>> -               size = (intel_connector->edid->extensions + 1) * EDID_LENGTH;
>> -               edid = kmemdup(intel_connector->edid, size, GFP_KERNEL);
>> -               if (!edid)
>> -                       return NULL;
>> -
>> -               return edid;
>> +               return drm_edid_duplicate(edid);
>>         }
>>
>>         return drm_get_edid(connector, adapter);
>> --
>> 1.7.9.5
>>
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-- 
Jani Nikula, Intel Open Source Technology Center



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