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drm/amdgpu: send IVs to the KFD only after processing them v3 

This allows us to filter out VM faults in the GMC code.

v2: don't filter out all faults
v3: fix copy&paste typo, send all IV to the KFD, don't change message level

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-09-26 11:08:32 +02:00 committed by Alex Deucher
parent b408a54884
commit 2026057736
1 changed files with 17 additions and 21 deletions
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38
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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@ -149,9 +149,6 @@ static void amdgpu_irq_callback(struct amdgpu_device *adev,
if (!amdgpu_ih_prescreen_iv(adev))
return;
/* Before dispatching irq to IP blocks, send it to amdkfd */
amdgpu_amdkfd_interrupt(adev, (const void *) &ih->ring[ring_index]);
entry.iv_entry = (const uint32_t *)&ih->ring[ring_index];
amdgpu_ih_decode_iv(adev, &entry);
@ -371,39 +368,38 @@ void amdgpu_irq_dispatch(struct amdgpu_device *adev,
unsigned client_id = entry->client_id;
unsigned src_id = entry->src_id;
struct amdgpu_irq_src *src;
bool handled = false;
int r;
trace_amdgpu_iv(entry);
if (client_id >= AMDGPU_IRQ_CLIENTID_MAX) {
DRM_DEBUG("Invalid client_id in IV: %d\n", client_id);
return;
}
if (src_id >= AMDGPU_MAX_IRQ_SRC_ID) {
} else if (src_id >= AMDGPU_MAX_IRQ_SRC_ID) {
DRM_DEBUG("Invalid src_id in IV: %d\n", src_id);
return;
}
if (adev->irq.virq[src_id]) {
} else if (adev->irq.virq[src_id]) {
generic_handle_irq(irq_find_mapping(adev->irq.domain, src_id));
} else {
if (!adev->irq.client[client_id].sources) {
DRM_DEBUG("Unregistered interrupt client_id: %d src_id: %d\n",
client_id, src_id);
return;
}
src = adev->irq.client[client_id].sources[src_id];
if (!src) {
DRM_DEBUG("Unhandled interrupt src_id: %d\n", src_id);
return;
}
} else if (!adev->irq.client[client_id].sources) {
DRM_DEBUG("Unregistered interrupt client_id: %d src_id: %d\n",
client_id, src_id);
} else if ((src = adev->irq.client[client_id].sources[src_id])) {
r = src->funcs->process(adev, src, entry);
if (r)
if (r < 0)
DRM_ERROR("error processing interrupt (%d)\n", r);
else if (r)
handled = true;
} else {
DRM_DEBUG("Unhandled interrupt src_id: %d\n", src_id);
}
/* Send it to amdkfd as well if it isn't already handled */
if (!handled)
amdgpu_amdkfd_interrupt(adev, entry->iv_entry);
}
/**