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drm/amdgpu/ih7.0: Use IH_SW_RING_SIZE for soft IH ring instead of PAGE_SIZE

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When there are a lot of retry faults happening, the soft IH ring
can fill up really quickly and possibly overflow. PAGE_SIZE was
too small, use IH_SW_RING_SIZE to match what other GPU generations
are doing.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Timur Kristóf 2026-08-28 13:41:07 +02:00 committed by Alex Deucher
parent 35976da2ab
commit 58d70e8bac
1 changed files with 1 additions and 4 deletions
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5
drivers/gpu/drm/amd/amdgpu/ih_v7_0.c
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@ -599,7 +599,6 @@ static int ih_v7_0_sw_init(struct amdgpu_ip_block *ip_block)
int r;
struct amdgpu_device *adev = ip_block->adev;
bool use_bus_addr;
unsigned int sw_ring_size;
r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_IH, 0,
&adev->irq.self_irq);
@ -631,9 +630,7 @@ static int ih_v7_0_sw_init(struct amdgpu_ip_block *ip_block)
/* initialize ih control register offset */
ih_v7_0_init_register_offset(adev);
sw_ring_size = (amdgpu_ip_version(adev, OSSSYS_HWIP, 0) == IP_VERSION(7, 1, 0)) ?
IH_SW_RING_SIZE : PAGE_SIZE;
r = amdgpu_ih_ring_init(adev, &adev->irq.ih_soft, sw_ring_size, true);
r = amdgpu_ih_ring_init(adev, &adev->irq.ih_soft, IH_SW_RING_SIZE, true);
if (r)
return r;