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drm/amdgpu/sdma7: properly reference trap interrupts for userqs

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We need to take a reference to the interrupts to make
sure they stay enabled even if the kernel queues have
disabled them.

Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2025-04-13 10:32:23 -04:00
parent 1197cfb730
commit 0ed032dc7d
1 changed files with 30 additions and 1 deletions
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31
drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
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@@ -1353,11 +1353,39 @@ static int sdma_v7_0_sw_fini(struct amdgpu_ip_block *ip_block)
return 0;
}
static int sdma_v7_0_set_userq_trap_interrupts(struct amdgpu_device *adev,
bool enable)
{
unsigned int irq_type;
int i, r;
if (adev->userq_funcs[AMDGPU_HW_IP_DMA]) {
for (i = 0; i < adev->sdma.num_instances; i++) {
irq_type = AMDGPU_SDMA_IRQ_INSTANCE0 + i;
if (enable)
r = amdgpu_irq_get(adev, &adev->sdma.trap_irq,
irq_type);
else
r = amdgpu_irq_put(adev, &adev->sdma.trap_irq,
irq_type);
if (r)
return r;
}
}
return 0;
}
static int sdma_v7_0_hw_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
int r;
return sdma_v7_0_start(adev);
r = sdma_v7_0_start(adev);
if (r)
return r;
return sdma_v7_0_set_userq_trap_interrupts(adev, true);
}
static int sdma_v7_0_hw_fini(struct amdgpu_ip_block *ip_block)
@@ -1369,6 +1397,7 @@ static int sdma_v7_0_hw_fini(struct amdgpu_ip_block *ip_block)
sdma_v7_0_ctx_switch_enable(adev, false);
sdma_v7_0_enable(adev, false);
sdma_v7_0_set_userq_trap_interrupts(adev, false);
return 0;
}