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path: root/drivers/gpu/drm/i915/gt/intel_gt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt.c68
1 files changed, 44 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index da2b6e2ae692..d09f7596cb98 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -198,16 +198,16 @@ static void gen6_check_faults(struct intel_gt *gt)
for_each_engine(engine, gt, id) {
fault = GEN6_RING_FAULT_REG_READ(engine);
if (fault & RING_FAULT_VALID) {
- DRM_DEBUG_DRIVER("Unexpected fault\n"
- "\tAddr: 0x%08lx\n"
- "\tAddress space: %s\n"
- "\tSource ID: %d\n"
- "\tType: %d\n",
- fault & PAGE_MASK,
- fault & RING_FAULT_GTTSEL_MASK ?
- "GGTT" : "PPGTT",
- RING_FAULT_SRCID(fault),
- RING_FAULT_FAULT_TYPE(fault));
+ drm_dbg(&engine->i915->drm, "Unexpected fault\n"
+ "\tAddr: 0x%08lx\n"
+ "\tAddress space: %s\n"
+ "\tSource ID: %d\n"
+ "\tType: %d\n",
+ fault & PAGE_MASK,
+ fault & RING_FAULT_GTTSEL_MASK ?
+ "GGTT" : "PPGTT",
+ RING_FAULT_SRCID(fault),
+ RING_FAULT_FAULT_TYPE(fault));
}
}
}
@@ -239,18 +239,17 @@ static void gen8_check_faults(struct intel_gt *gt)
fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
((u64)fault_data0 << 12);
- DRM_DEBUG_DRIVER("Unexpected fault\n"
- "\tAddr: 0x%08x_%08x\n"
- "\tAddress space: %s\n"
- "\tEngine ID: %d\n"
- "\tSource ID: %d\n"
- "\tType: %d\n",
- upper_32_bits(fault_addr),
- lower_32_bits(fault_addr),
- fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
- GEN8_RING_FAULT_ENGINE_ID(fault),
- RING_FAULT_SRCID(fault),
- RING_FAULT_FAULT_TYPE(fault));
+ drm_dbg(&uncore->i915->drm, "Unexpected fault\n"
+ "\tAddr: 0x%08x_%08x\n"
+ "\tAddress space: %s\n"
+ "\tEngine ID: %d\n"
+ "\tSource ID: %d\n"
+ "\tType: %d\n",
+ upper_32_bits(fault_addr), lower_32_bits(fault_addr),
+ fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
+ GEN8_RING_FAULT_ENGINE_ID(fault),
+ RING_FAULT_SRCID(fault),
+ RING_FAULT_FAULT_TYPE(fault));
}
}
@@ -345,7 +344,7 @@ static int intel_gt_init_scratch(struct intel_gt *gt, unsigned int size)
goto err_unref;
}
- ret = i915_vma_pin(vma, 0, 0, PIN_GLOBAL | PIN_HIGH);
+ ret = i915_ggtt_pin(vma, 0, PIN_HIGH);
if (ret)
goto err_unref;
@@ -455,6 +454,11 @@ err_rq:
if (!rq)
continue;
+ if (rq->fence.error) {
+ err = -EIO;
+ goto out;
+ }
+
GEM_BUG_ON(!test_bit(CONTEXT_ALLOC_BIT, &rq->context->flags));
state = rq->context->state;
if (!state)
@@ -538,6 +542,10 @@ static int __engines_verify_workarounds(struct intel_gt *gt)
err = -EIO;
}
+ /* Flush and restore the kernel context for safety */
+ if (intel_gt_wait_for_idle(gt, I915_GEM_IDLE_TIMEOUT) == -ETIME)
+ err = -EIO;
+
return err;
}
@@ -584,7 +592,9 @@ int intel_gt_init(struct intel_gt *gt)
if (err)
goto err_engines;
- intel_uc_init(&gt->uc);
+ err = intel_uc_init(&gt->uc);
+ if (err)
+ goto err_engines;
err = intel_gt_resume(gt);
if (err)
@@ -634,6 +644,13 @@ void intel_gt_driver_remove(struct intel_gt *gt)
void intel_gt_driver_unregister(struct intel_gt *gt)
{
intel_rps_driver_unregister(&gt->rps);
+
+ /*
+ * Upon unregistering the device to prevent any new users, cancel
+ * all in-flight requests so that we can quickly unbind the active
+ * resources.
+ */
+ intel_gt_set_wedged(gt);
}
void intel_gt_driver_release(struct intel_gt *gt)
@@ -650,6 +667,9 @@ void intel_gt_driver_release(struct intel_gt *gt)
void intel_gt_driver_late_release(struct intel_gt *gt)
{
+ /* We need to wait for inflight RCU frees to release their grip */
+ rcu_barrier();
+
intel_uc_driver_late_release(&gt->uc);
intel_gt_fini_requests(gt);
intel_gt_fini_reset(gt);