Signal a fault to the scheduler on an illegal instruction or register
access violation instead of kicking of the reset handler directly.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 -
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 21 ---------------------
drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 5 ++++-
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 23 +++++++++++++++++++++--
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 28 ++++++++++++++++++++++++++--
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 31 +++++++++++++++++++++++++++++--
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 31 +++++++++++++++++++++++++++++--
drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 8 +++++++-
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 8 +++++++-
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 21 +++++++++++++++++++--
10 files changed, 142 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 6317f35331ff..c773ea147489 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -833,7 +833,6 @@ struct amdgpu_device {
bool need_dma32;
bool need_swiotlb;
bool accel_working;
- struct work_struct reset_work;
struct notifier_block acpi_nb;
struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 52c17f6219a7..6b6524f04ce0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -93,23 +93,6 @@ static void amdgpu_hotplug_work_func(struct work_struct *work)
drm_helper_hpd_irq_event(dev);
}
-/**
- * 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
*
@@ -262,15 +245,12 @@ 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 +279,6 @@ 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) {
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index b918c8886b75..32eb43d165f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -1214,8 +1214,11 @@ static int cik_sdma_process_illegal_inst_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ u8 instance_id;
+
DRM_ERROR("Illegal instruction in SDMA command stream\n");
- schedule_work(&adev->reset_work);
+ instance_id = (entry->ring_id & 0x3) >> 0;
+ drm_sched_fault(&adev->sdma.instance[instance_id].ring.sched);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index d76eb27945dc..622dd70f310e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -3393,12 +3393,31 @@ static int gfx_v6_0_eop_irq(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v6_0_fault(struct amdgpu_device *adev,
+ struct amdgpu_iv_entry *entry)
+{
+ struct amdgpu_ring *ring;
+
+ switch (entry->ring_id) {
+ case 0:
+ ring = &adev->gfx.gfx_ring[0];
+ break;
+ case 1:
+ case 2:
+ ring = &adev->gfx.compute_ring[entry->ring_id - 1];
+ break;
+ default:
+ return;
+ }
+ drm_sched_fault(&ring->sched);
+}
+
static int gfx_v6_0_priv_reg_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal register access in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v6_0_fault(adev, entry);
return 0;
}
@@ -3407,7 +3426,7 @@ static int gfx_v6_0_priv_inst_irq(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal instruction in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v6_0_fault(adev, entry);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 0e72bc09939a..9fadb32da827 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4959,12 +4959,36 @@ static int gfx_v7_0_eop_irq(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v7_0_fault(struct amdgpu_device *adev,
+ struct amdgpu_iv_entry *entry)
+{
+ struct amdgpu_ring *ring;
+ u8 me_id, pipe_id;
+ int i;
+
+ me_id = (entry->ring_id & 0x0c) >> 2;
+ pipe_id = (entry->ring_id & 0x03) >> 0;
+ switch (me_id) {
+ case 0:
+ drm_sched_fault(&adev->gfx.gfx_ring[0].sched);
+ break;
+ case 1:
+ case 2:
+ for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+ ring = &adev->gfx.compute_ring[i];
+ if ((ring->me == me_id) && (ring->pipe == pipe_id))
+ drm_sched_fault(&ring->sched);
+ }
+ break;
+ }
+}
+
static int gfx_v7_0_priv_reg_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal register access in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v7_0_fault(adev, entry);
return 0;
}
@@ -4974,7 +4998,7 @@ static int gfx_v7_0_priv_inst_irq(struct amdgpu_device *adev,
{
DRM_ERROR("Illegal instruction in command stream\n");
// XXX soft reset the gfx block only
- schedule_work(&adev->reset_work);
+ gfx_v7_0_fault(adev, entry);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 3d0f277a6523..4e6d31f8b05c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6736,12 +6736,39 @@ static int gfx_v8_0_eop_irq(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v8_0_fault(struct amdgpu_device *adev,
+ struct amdgpu_iv_entry *entry)
+{
+ u8 me_id, pipe_id, queue_id;
+ struct amdgpu_ring *ring;
+ int i;
+
+ me_id = (entry->ring_id & 0x0c) >> 2;
+ pipe_id = (entry->ring_id & 0x03) >> 0;
+ queue_id = (entry->ring_id & 0x70) >> 4;
+
+ switch (me_id) {
+ case 0:
+ drm_sched_fault(&adev->gfx.gfx_ring[0].sched);
+ break;
+ case 1:
+ case 2:
+ for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+ ring = &adev->gfx.compute_ring[i];
+ if (ring->me == me_id && ring->pipe == pipe_id &&
+ ring->queue == queue_id)
+ drm_sched_fault(&ring->sched);
+ }
+ break;
+ }
+}
+
static int gfx_v8_0_priv_reg_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal register access in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v8_0_fault(adev, entry);
return 0;
}
@@ -6750,7 +6777,7 @@ static int gfx_v8_0_priv_inst_irq(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal instruction in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v8_0_fault(adev, entry);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 2f10ad569154..919cd71f2a84 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4694,12 +4694,39 @@ static int gfx_v9_0_eop_irq(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v9_0_fault(struct amdgpu_device *adev,
+ struct amdgpu_iv_entry *entry)
+{
+ u8 me_id, pipe_id, queue_id;
+ struct amdgpu_ring *ring;
+ int i;
+
+ me_id = (entry->ring_id & 0x0c) >> 2;
+ pipe_id = (entry->ring_id & 0x03) >> 0;
+ queue_id = (entry->ring_id & 0x70) >> 4;
+
+ switch (me_id) {
+ case 0:
+ drm_sched_fault(&adev->gfx.gfx_ring[0].sched);
+ break;
+ case 1:
+ case 2:
+ for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+ ring = &adev->gfx.compute_ring[i];
+ if (ring->me == me_id && ring->pipe == pipe_id &&
+ ring->queue == queue_id)
+ drm_sched_fault(&ring->sched);
+ }
+ break;
+ }
+}
+
static int gfx_v9_0_priv_reg_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal register access in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v9_0_fault(adev, entry);
return 0;
}
@@ -4708,7 +4735,7 @@ static int gfx_v9_0_priv_inst_irq(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry)
{
DRM_ERROR("Illegal instruction in command stream\n");
- schedule_work(&adev->reset_work);
+ gfx_v9_0_fault(adev, entry);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 2d4770e173dd..bedbd5f296c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -1105,8 +1105,14 @@ static int sdma_v2_4_process_illegal_inst_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ u8 instance_id, queue_id;
+
DRM_ERROR("Illegal instruction in SDMA command stream\n");
- schedule_work(&adev->reset_work);
+ instance_id = (entry->ring_id & 0x3) >> 0;
+ queue_id = (entry->ring_id & 0xc) >> 2;
+
+ if (instance_id <= 1 && queue_id == 0)
+ drm_sched_fault(&adev->sdma.instance[instance_id].ring.sched);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 6fb3edaba0ec..415968dc6c87 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1440,8 +1440,14 @@ static int sdma_v3_0_process_illegal_inst_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ u8 instance_id, queue_id;
+
DRM_ERROR("Illegal instruction in SDMA command stream\n");
- schedule_work(&adev->reset_work);
+ instance_id = (entry->ring_id & 0x3) >> 0;
+ queue_id = (entry->ring_id & 0xc) >> 2;
+
+ if (instance_id <= 1 && queue_id == 0)
+ drm_sched_fault(&adev->sdma.instance[instance_id].ring.sched);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 04fa3d972636..b0740d751a36 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1510,12 +1510,29 @@ static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
+ int instance;
+
DRM_ERROR("Illegal instruction in SDMA command stream\n");
- schedule_work(&adev->reset_work);
+
+ switch (entry->client_id) {
+ case SOC15_IH_CLIENTID_SDMA0:
+ instance = 0;
+ break;
+ case SOC15_IH_CLIENTID_SDMA1:
+ instance = 1;
+ break;
+ default:
+ return 0;
+ }
+
+ switch (entry->ring_id) {
+ case 0:
+ drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
+ break;
+ }
return 0;
}
-
static void sdma_v4_0_update_medium_grain_clock_gating(
struct amdgpu_device *adev,
bool enable)
--
2.14.1
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