diff options
| author | Timur Kristóf <timur.kristof@gmail.com> | 2025-11-26 14:29:47 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-02 11:02:06 -0500 |
| commit | 488d9e7cd68ced0fa62bb6641a2b9a8329d399d5 (patch) | |
| tree | 51cc0088520bfe1e2660c6d48a2fa7993ac3d890 /drivers/gpu/drm/amd/amdgpu/cz_ih.c | |
| parent | f8085859a5b0ab587256149832d218902e41463a (diff) | |
drm/amdgpu/cz_ih: Enable soft IRQ handler ring
We are going to use the soft IRQ handler ring on GMC v8
to process interrupts from VM faults.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cz_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cz_ih.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c index 2f891fb846d5..bc7a2e06ab5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c @@ -157,6 +157,9 @@ static int cz_ih_irq_init(struct amdgpu_device *adev) /* enable interrupts */ cz_ih_enable_interrupts(adev); + if (adev->irq.ih_soft.ring_size) + adev->irq.ih_soft.enabled = true; + return 0; } @@ -194,6 +197,9 @@ static u32 cz_ih_get_wptr(struct amdgpu_device *adev, wptr = le32_to_cpu(*ih->wptr_cpu); + if (ih == &adev->irq.ih_soft) + goto out; + if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) goto out; @@ -297,6 +303,10 @@ static int cz_ih_sw_init(struct amdgpu_ip_block *ip_block) if (r) return r; + r = amdgpu_ih_ring_init(adev, &adev->irq.ih_soft, IH_SW_RING_SIZE, true); + if (r) + return r; + r = amdgpu_irq_init(adev); return r; |