linux-kernel - Re: [PATCH v2] drm/tests: modeset: Add drm connector atomic_[duplicate/destroy]

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Message-ID: <ae174e98-1fbb-44f2-a3a7-5ef40c37a49e@windriver.com>
Date: Mon, 22 Dec 2025 17:16:27 +0800
From: Xiaolei Wang <xiaolei.wang@...driver.com>
To: Alexandre Ghiti <alex@...ti.fr>, dmitry.baryshkov@....qualcomm.com,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch,
        jani.nikula@...el.com, ville.syrjala@...ux.intel.com
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/tests: modeset: Add drm connector
 atomic_[duplicate/destroy]_state


On 9/1/25 18:41, Alexandre Ghiti wrote:
> CAUTION: This email comes from a non Wind River email account!
> Do not click links or open attachments unless you recognize the sender 
> and know the content is safe.
>
> Hi Xiaolei,
>
>
> On 8/27/25 10:45, Xiaolei Wang wrote:
>> Commit 66671944e176 ("drm/tests: helpers: Add atomic helpers")
>> added the atomic state path, so adding the drm connector
>> atomic_[duplicate/destroy]_state is also necessary.
>>
>> WARNING: CPU: 0 PID: 96 at drivers/gpu/drm/drm_connector.c:234 
>> drm_connector_init_only+0x934/0xee0
>>   Call trace:
>>    drm_connector_init_only+0x934/0xee0 (P)
>>    drmm_connector_init+0xe0/0x1b0
>>    drm_client_modeset_test_init+0x290/0x534
>>    kunit_try_run_case+0x110/0x3b4
>>    kunit_generic_run_threadfn_adapter+0x80/0xec
>>    kthread+0x3b8/0x6c0
>>    ret_from_fork+0x10/0x20
>>
>> Fixes: 66671944e176 ("drm/tests: helpers: Add atomic helpers")
>> Signed-off-by: Xiaolei Wang <xiaolei.wang@...driver.com>
>> Reviewed-by: Maxime Ripard <mripard@...nel.org>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
>> ---
>>
>> v1: 
>> https://patchew.org/linux/20250811063403.98739-1-xiaolei.wang@windriver.com/
>>
>> v2: compared with v1, add Fixes tag
>>
>>   drivers/gpu/drm/tests/drm_client_modeset_test.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/tests/drm_client_modeset_test.c 
>> b/drivers/gpu/drm/tests/drm_client_modeset_test.c
>> index 3f44fe5e92e4..e702a27c2368 100644
>> --- a/drivers/gpu/drm/tests/drm_client_modeset_test.c
>> +++ b/drivers/gpu/drm/tests/drm_client_modeset_test.c
>> @@ -12,6 +12,7 @@
>>   #include <drm/drm_modes.h>
>>   #include <drm/drm_modeset_helper_vtables.h>
>>   #include <drm/drm_probe_helper.h>
>> +#include <drm/drm_atomic_state_helper.h>
>>
>>   struct drm_client_modeset_test_priv {
>>       struct drm_device *drm;
>> @@ -48,6 +49,9 @@ static const struct drm_connector_helper_funcs 
>> drm_client_modeset_connector_help
>>   };
>>
>>   static const struct drm_connector_funcs 
>> drm_client_modeset_connector_funcs = {
>> +     .reset                  = drm_atomic_helper_connector_reset,
>> +     .atomic_duplicate_state = 
>> drm_atomic_helper_connector_duplicate_state,
>> +     .atomic_destroy_state   = 
>> drm_atomic_helper_connector_destroy_state,
>>   };
>>
>>   static int drm_client_modeset_test_init(struct kunit *test)
>
Humble ping...

thanks

xiaolei

>
> Tested-by: Alexandre Ghiti <alexghiti@...osinc.com>
>
> Thanks,
>
> Alex
>