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| author | Mukul Joshi <mukul.joshi@amd.com> | 2023-04-11 16:32:29 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-13 00:14:08 -0400 |
| commit | 318e431b306e966d2ee99e900a11bdc9a701ee83 (patch) | |
| tree | 34e29355967b5cbc1af0dabbdb1e2dcfcfdbe2ed /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | |
| parent | e69c373c3f0c1888b4b758e37d05e2e7b76585f2 (diff) | |
| download | lwn-318e431b306e966d2ee99e900a11bdc9a701ee83.tar.gz lwn-318e431b306e966d2ee99e900a11bdc9a701ee83.zip | |
drm/amdgpu: Enable IH retry CAM on GFX9
This patch enables the IH retry CAM on GFX9 series cards. This
retry filter is used to prevent sending lots of retry interrupts
in a short span of time and overflowing the IH ring buffer. This
will also help reduce CPU interrupt workload.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h index e9f2c11ea416..be243adf3e65 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h @@ -98,6 +98,8 @@ struct amdgpu_irq { struct irq_domain *domain; /* GPU irq controller domain */ unsigned virq[AMDGPU_MAX_IRQ_SRC_ID]; uint32_t srbm_soft_reset; + u32 retry_cam_doorbell_index; + bool retry_cam_enabled; }; void amdgpu_irq_disable_all(struct amdgpu_device *adev); |