diff options
| author | Timur Kristóf <timur.kristof@gmail.com> | 2025-11-26 14:29:46 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-02 11:02:06 -0500 |
| commit | f8085859a5b0ab587256149832d218902e41463a (patch) | |
| tree | 4c8145eaefc0fb3d814768e96759555fcb068275 /drivers/gpu/drm/amd/amdgpu | |
| parent | f4fa4c9e2dcf4c02da63c995fc584e4427c22a4d (diff) | |
drm/amdgpu/tonga_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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c index 7d17ae56f901..ee8038df17e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c @@ -159,6 +159,9 @@ static int tonga_ih_irq_init(struct amdgpu_device *adev) /* enable interrupts */ tonga_ih_enable_interrupts(adev); + if (adev->irq.ih_soft.ring_size) + adev->irq.ih_soft.enabled = true; + return 0; } @@ -196,6 +199,9 @@ static u32 tonga_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; @@ -306,6 +312,10 @@ static int tonga_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; + adev->irq.ih.use_doorbell = true; adev->irq.ih.doorbell_index = adev->doorbell_index.ih; |