Re: [PATCH] drm/amd/display: Export symbols for KUnit test modules

[Aurabindo Pillai <aurabindo.pillai@amd.com>]

On 6/2/26 12:15 PM, Alex Hung wrote:
> Add missing EXPORT_IF_KUNIT() calls for amdgpu_dm_psr_set_event,
> amdgpu_dm_ism_init, and amdgpu_dm_ism_fini so that the KUnit test
> modules can resolve these symbols when built as modules, i.e.,
> CONFIG_DRM_AMD_DC_KUNIT_TEST=m.
> 
> Fixes: 7c1bb28ce2f0 ("drm/amd/display: Add KUnit tests for amdgpu_dm_psr_set_event")
> Fixes: 4db0dd9e5a63 ("drm/amd/display: Add more KUnit tests for amdgpu_dm_ism")
> Assisted-by: Copilot:Claude-Opus-4.6
> Signed-off-by: Alex Hung <alex.hung@amd.com>
> ---
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_ism.c | 2 ++
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 1 +
>   2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_ism.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_ism.c
> index 5c0841728671..32391b56097e 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_ism.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_ism.c
> @@ -640,6 +640,7 @@ void amdgpu_dm_ism_init(struct amdgpu_dm_ism *ism,
>   	INIT_DELAYED_WORK(&ism->delayed_work, dm_ism_delayed_work_func);
>   	INIT_DELAYED_WORK(&ism->sso_delayed_work, dm_ism_sso_delayed_work_func);
>   }
> +EXPORT_IF_KUNIT(amdgpu_dm_ism_init);
>   
>   
>   void amdgpu_dm_ism_fini(struct amdgpu_dm_ism *ism)
> @@ -647,3 +648,4 @@ void amdgpu_dm_ism_fini(struct amdgpu_dm_ism *ism)
>   	cancel_delayed_work_sync(&ism->sso_delayed_work);
>   	cancel_delayed_work_sync(&ism->delayed_work);
>   }
> +EXPORT_IF_KUNIT(amdgpu_dm_ism_fini);
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
> index 85caa8534184..0dadc0bb214f 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
> @@ -189,3 +189,4 @@ bool amdgpu_dm_psr_set_event(struct amdgpu_display_manager *dm, struct dc_stream
>   	return mod_power_set_psr_event(dm->power_module, stream,
>   				       set_event, event, wait_for_disable);
>   }
> +EXPORT_IF_KUNIT(amdgpu_dm_psr_set_event);

Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>