On Fri, Nov 30, 2018 at 7:36 AM Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
>
> Previously we only added the ring buffer memory, now add the handling as
> well.
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 33 +++++++++++++++++++++++++
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 4 ++-
> 2 files changed, 36 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> index 127ed7de841d..64ec92bd74fb 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> @@ -176,6 +176,36 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
> return ret;
> }
>
> +/**
> + * amdgpu_irq_handle_ih1 - kick of processing for IH1
> + *
> + * @work: work structure in struct amdgpu_irq
> + *
> + * Kick of processing IH ring 1.
> + */
> +static void amdgpu_irq_handle_ih1(struct work_struct *work)
> +{
> + struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
> + irq.ih1_work);
> +
> + amdgpu_ih_process(adev, &adev->irq.ih1, amdgpu_irq_callback);
> +}
> +
> +/**
> + * amdgpu_irq_handle_ih2 - kick of processing for IH2
> + *
> + * @work: work structure in struct amdgpu_irq
> + *
> + * Kick of processing IH ring 2.
> + */
> +static void amdgpu_irq_handle_ih2(struct work_struct *work)
> +{
> + struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
> + irq.ih2_work);
> +
> + amdgpu_ih_process(adev, &adev->irq.ih2, amdgpu_irq_callback);
> +}
> +
> /**
> * amdgpu_msi_ok - check whether MSI functionality is enabled
> *
> @@ -240,6 +270,9 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
> amdgpu_hotplug_work_func);
> }
>
> + INIT_WORK(&adev->irq.ih1_work, amdgpu_irq_handle_ih1);
> + INIT_WORK(&adev->irq.ih2_work, amdgpu_irq_handle_ih2);
> +
> adev->irq.installed = true;
> r = drm_irq_install(adev->ddev, adev->ddev->pdev->irq);
> if (r) {
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
> index 7e06fa64321a..c27decfda494 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
> @@ -89,7 +89,9 @@ struct amdgpu_irq {
>
> /* interrupt rings */
> struct amdgpu_ih_ring ih, ih1, ih2;
> - const struct amdgpu_ih_funcs *ih_funcs;
> + const struct amdgpu_ih_funcs *ih_funcs;
> + struct work_struct ih1_work, ih2_work;
> + struct amdgpu_irq_src self_irq;
>
> /* gen irq stuff */
> struct irq_domain *domain; /* GPU irq controller domain */
> --
> 2.17.1
>
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> amd-gfx@xxxxxxxxxxxxxxxxxxxxx
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