It didn't worked to well anyway.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
/* testing functions */
int (*test_ring)(struct amdgpu_ring *ring);
int (*test_ib)(struct amdgpu_ring *ring);
- bool (*is_lockup)(struct amdgpu_ring *ring);
/* insert NOP packets */
void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
};
unsigned ring_size;
unsigned ring_free_dw;
int count_dw;
- atomic_t last_rptr;
- atomic64_t last_activity;
uint64_t gpu_addr;
uint32_t align_mask;
uint32_t ptr_mask;
void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
void amdgpu_ring_undo(struct amdgpu_ring *ring);
void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
-void amdgpu_ring_lockup_update(struct amdgpu_ring *ring);
-bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring);
unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
uint32_t **data);
int amdgpu_ring_restore(struct amdgpu_ring *ring,
bool suspend;
bool need_dma32;
bool accel_working;
- bool needs_reset;
struct work_struct reset_work;
struct notifier_block acpi_nb;
struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
#define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
#define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
#define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
-#define amdgpu_ring_is_lockup(r) (r)->funcs->is_lockup((r))
#define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
#define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
#define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
down_write(&adev->exclusive_lock);
- if (!adev->needs_reset) {
- up_write(&adev->exclusive_lock);
- return 0;
- }
-
- adev->needs_reset = false;
atomic_inc(&adev->gpu_reset_counter);
/* block TTM */
if (amdgpu_fence_activity(ring)) {
wake_up_all(&ring->fence_drv.fence_queue);
}
- else if (amdgpu_ring_is_lockup(ring)) {
- /* good news we believe it's a lockup */
- dev_warn(ring->adev->dev, "GPU lockup (current fence id "
- "0x%016llx last fence id 0x%016llx on ring %d)\n",
- (uint64_t)atomic64_read(&fence_drv->last_seq),
- fence_drv->sync_seq[ring->idx], ring->idx);
-
- /* remember that we need an reset */
- ring->adev->needs_reset = true;
- wake_up_all(&ring->fence_drv.fence_queue);
- }
up_read(&ring->adev->exclusive_lock);
}
*/
static int amdgpu_fence_ring_wait_seq(struct amdgpu_ring *ring, uint64_t seq)
{
- struct amdgpu_device *adev = ring->adev;
bool signaled = false;
BUG_ON(!ring);
return 0;
wait_event(ring->fence_drv.fence_queue, (
- (signaled = amdgpu_fence_seq_signaled(ring, seq))
- || adev->needs_reset));
+ (signaled = amdgpu_fence_seq_signaled(ring, seq))));
if (signaled)
return 0;
if (amdgpu_test_signaled_any(array, count))
break;
- if (adev->needs_reset) {
- t = -EDEADLK;
- break;
- }
-
t = schedule_timeout(t);
if (t > 0 && intr && signal_pending(current))
r = amdgpu_ring_test_ib(ring);
if (r) {
ring->ready = false;
- adev->needs_reset = false;
if (ring == &adev->gfx.gfx_ring[0]) {
/* oh, oh, that's really bad */
if (!ring->ring_free_dw) {
/* this is an empty ring */
ring->ring_free_dw = ring->ring_size / 4;
- /* update lockup info to avoid false positive */
- amdgpu_ring_lockup_update(ring);
}
}
}
/**
- * amdgpu_ring_lockup_update - update lockup variables
- *
- * @ring: amdgpu_ring structure holding ring information
- *
- * Update the last rptr value and timestamp (all asics).
- */
-void amdgpu_ring_lockup_update(struct amdgpu_ring *ring)
-{
- atomic_set(&ring->last_rptr, amdgpu_ring_get_rptr(ring));
- atomic64_set(&ring->last_activity, jiffies_64);
-}
-
-/**
- * amdgpu_ring_test_lockup() - check if ring is lockedup by recording information
- * @ring: amdgpu_ring structure holding ring information
- *
- */
-bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring)
-{
- uint32_t rptr = amdgpu_ring_get_rptr(ring);
- uint64_t last = atomic64_read(&ring->last_activity);
- uint64_t elapsed;
-
- if (rptr != atomic_read(&ring->last_rptr)) {
- /* ring is still working, no lockup */
- amdgpu_ring_lockup_update(ring);
- return false;
- }
-
- elapsed = jiffies_to_msecs(jiffies_64 - last);
- if (amdgpu_lockup_timeout && elapsed >= amdgpu_lockup_timeout) {
- dev_err(ring->adev->dev, "ring %d stalled for more than %llumsec\n",
- ring->idx, elapsed);
- return true;
- }
- /* give a chance to the GPU ... */
- return false;
-}
-
-/**
* amdgpu_ring_backup - Back up the content of a ring
*
* @ring: the ring we want to back up
if (amdgpu_debugfs_ring_init(adev, ring)) {
DRM_ERROR("Failed to register debugfs file for rings !\n");
}
- amdgpu_ring_lockup_update(ring);
return 0;
}
.set_powergating_state = cik_sdma_set_powergating_state,
};
-/**
- * cik_sdma_ring_is_lockup - Check if the DMA engine is locked up
- *
- * @ring: amdgpu_ring structure holding ring information
- *
- * Check if the async DMA engine is locked up (CIK).
- * Returns true if the engine appears to be locked up, false if not.
- */
-static bool cik_sdma_ring_is_lockup(struct amdgpu_ring *ring)
-{
-
- if (cik_sdma_is_idle(ring->adev)) {
- amdgpu_ring_lockup_update(ring);
- return false;
- }
- return amdgpu_ring_test_lockup(ring);
-}
-
static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
.get_rptr = cik_sdma_ring_get_rptr,
.get_wptr = cik_sdma_ring_get_wptr,
.emit_hdp_flush = cik_sdma_ring_emit_hdp_flush,
.test_ring = cik_sdma_ring_test_ring,
.test_ib = cik_sdma_ring_test_ib,
- .is_lockup = cik_sdma_ring_is_lockup,
.insert_nop = cik_sdma_ring_insert_nop,
};
.set_powergating_state = gfx_v7_0_set_powergating_state,
};
-/**
- * gfx_v7_0_ring_is_lockup - check if the 3D engine is locked up
- *
- * @adev: amdgpu_device pointer
- * @ring: amdgpu_ring structure holding ring information
- *
- * Check if the 3D engine is locked up (CIK).
- * Returns true if the engine is locked, false if not.
- */
-static bool gfx_v7_0_ring_is_lockup(struct amdgpu_ring *ring)
-{
- if (gfx_v7_0_is_idle(ring->adev)) {
- amdgpu_ring_lockup_update(ring);
- return false;
- }
- return amdgpu_ring_test_lockup(ring);
-}
-
static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
.get_rptr = gfx_v7_0_ring_get_rptr_gfx,
.get_wptr = gfx_v7_0_ring_get_wptr_gfx,
.emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush,
.test_ring = gfx_v7_0_ring_test_ring,
.test_ib = gfx_v7_0_ring_test_ib,
- .is_lockup = gfx_v7_0_ring_is_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush,
.test_ring = gfx_v7_0_ring_test_ring,
.test_ib = gfx_v7_0_ring_test_ib,
- .is_lockup = gfx_v7_0_ring_is_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
}
}
-static bool gfx_v8_0_ring_is_lockup(struct amdgpu_ring *ring)
-{
- if (gfx_v8_0_is_idle(ring->adev)) {
- amdgpu_ring_lockup_update(ring);
- return false;
- }
- return amdgpu_ring_test_lockup(ring);
-}
-
static u32 gfx_v8_0_ring_get_rptr_compute(struct amdgpu_ring *ring)
{
return ring->adev->wb.wb[ring->rptr_offs];
.emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush,
.test_ring = gfx_v8_0_ring_test_ring,
.test_ib = gfx_v8_0_ring_test_ib,
- .is_lockup = gfx_v8_0_ring_is_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush,
.test_ring = gfx_v8_0_ring_test_ring,
.test_ib = gfx_v8_0_ring_test_ib,
- .is_lockup = gfx_v8_0_ring_is_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.set_powergating_state = sdma_v2_4_set_powergating_state,
};
-/**
- * sdma_v2_4_ring_is_lockup - Check if the DMA engine is locked up
- *
- * @ring: amdgpu_ring structure holding ring information
- *
- * Check if the async DMA engine is locked up (VI).
- * Returns true if the engine appears to be locked up, false if not.
- */
-static bool sdma_v2_4_ring_is_lockup(struct amdgpu_ring *ring)
-{
-
- if (sdma_v2_4_is_idle(ring->adev)) {
- amdgpu_ring_lockup_update(ring);
- return false;
- }
- return amdgpu_ring_test_lockup(ring);
-}
-
static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = {
.get_rptr = sdma_v2_4_ring_get_rptr,
.get_wptr = sdma_v2_4_ring_get_wptr,
.emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush,
.test_ring = sdma_v2_4_ring_test_ring,
.test_ib = sdma_v2_4_ring_test_ib,
- .is_lockup = sdma_v2_4_ring_is_lockup,
.insert_nop = sdma_v2_4_ring_insert_nop,
};
.set_powergating_state = sdma_v3_0_set_powergating_state,
};
-/**
- * sdma_v3_0_ring_is_lockup - Check if the DMA engine is locked up
- *
- * @ring: amdgpu_ring structure holding ring information
- *
- * Check if the async DMA engine is locked up (VI).
- * Returns true if the engine appears to be locked up, false if not.
- */
-static bool sdma_v3_0_ring_is_lockup(struct amdgpu_ring *ring)
-{
-
- if (sdma_v3_0_is_idle(ring->adev)) {
- amdgpu_ring_lockup_update(ring);
- return false;
- }
- return amdgpu_ring_test_lockup(ring);
-}
-
static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = {
.get_rptr = sdma_v3_0_ring_get_rptr,
.get_wptr = sdma_v3_0_ring_get_wptr,
.emit_hdp_flush = sdma_v3_0_ring_emit_hdp_flush,
.test_ring = sdma_v3_0_ring_test_ring,
.test_ib = sdma_v3_0_ring_test_ib,
- .is_lockup = sdma_v3_0_ring_is_lockup,
.insert_nop = sdma_v3_0_ring_insert_nop,
};
.emit_semaphore = uvd_v4_2_ring_emit_semaphore,
.test_ring = uvd_v4_2_ring_test_ring,
.test_ib = uvd_v4_2_ring_test_ib,
- .is_lockup = amdgpu_ring_test_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.emit_semaphore = uvd_v5_0_ring_emit_semaphore,
.test_ring = uvd_v5_0_ring_test_ring,
.test_ib = uvd_v5_0_ring_test_ib,
- .is_lockup = amdgpu_ring_test_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.emit_semaphore = uvd_v6_0_ring_emit_semaphore,
.test_ring = uvd_v6_0_ring_test_ring,
.test_ib = uvd_v6_0_ring_test_ib,
- .is_lockup = amdgpu_ring_test_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.emit_semaphore = amdgpu_vce_ring_emit_semaphore,
.test_ring = amdgpu_vce_ring_test_ring,
.test_ib = amdgpu_vce_ring_test_ib,
- .is_lockup = amdgpu_ring_test_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
.emit_semaphore = amdgpu_vce_ring_emit_semaphore,
.test_ring = amdgpu_vce_ring_test_ring,
.test_ib = amdgpu_vce_ring_test_ib,
- .is_lockup = amdgpu_ring_test_lockup,
.insert_nop = amdgpu_ring_insert_nop,
};
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