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drm/amdgpu: Enable IH retry CAM on GFX9

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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>
This commit is contained in:
Mukul Joshi
2023-04-11 16:32:29 -04:00
committed by Alex Deucher
parent e69c373c3f
commit 318e431b30
7 changed files with 87 additions and 48 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
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@@ -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);