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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c63
1 files changed, 17 insertions, 46 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 52c17f6219a7..b7968f426862 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -94,23 +94,6 @@ static void amdgpu_hotplug_work_func(struct work_struct *work)
}
/**
- * amdgpu_irq_reset_work_func - execute GPU reset
- *
- * @work: work struct pointer
- *
- * Execute scheduled GPU reset (Cayman+).
- * This function is called when the IRQ handler thinks we need a GPU reset.
- */
-static void amdgpu_irq_reset_work_func(struct work_struct *work)
-{
- struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
- reset_work);
-
- if (!amdgpu_sriov_vf(adev) && amdgpu_device_should_recover_gpu(adev))
- amdgpu_device_gpu_recover(adev, NULL);
-}
-
-/**
* amdgpu_irq_disable_all - disable *all* interrupts
*
* @adev: amdgpu device pointer
@@ -162,13 +145,6 @@ static void amdgpu_irq_callback(struct amdgpu_device *adev,
u32 ring_index = ih->rptr >> 2;
struct amdgpu_iv_entry entry;
- /* Prescreening of high-frequency interrupts */
- 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);
@@ -262,15 +238,12 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
amdgpu_hotplug_work_func);
}
- INIT_WORK(&adev->reset_work, amdgpu_irq_reset_work_func);
-
adev->irq.installed = true;
r = drm_irq_install(adev->ddev, adev->ddev->pdev->irq);
if (r) {
adev->irq.installed = false;
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
- cancel_work_sync(&adev->reset_work);
return r;
}
adev->ddev->max_vblank_count = 0x00ffffff;
@@ -299,7 +272,6 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
pci_disable_msi(adev->pdev);
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
- cancel_work_sync(&adev->reset_work);
}
for (i = 0; i < AMDGPU_IRQ_CLIENTID_MAX; ++i) {
@@ -392,39 +364,38 @@ 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);
}
/**