The shadow ring regs (ring->head, ring->tail) are meaningless in the
post-mortem dump as they do not related to anything on HW. Remove them
from the coredump.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 5 -----
drivers/gpu/drm/i915/i915_gpu_error.h | 4 ----
2 files changed, 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index b45c128d0a17..a35aad439281 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -553,8 +553,6 @@ static void error_print_engine(struct drm_i915_error_state_buf *m,
ee->vm_info.pp_dir_base);
}
}
- err_printf(m, " ring->head: 0x%08x\n", ee->cpu_ring_head);
- err_printf(m, " ring->tail: 0x%08x\n", ee->cpu_ring_tail);
err_printf(m, " engine reset count: %u\n", ee->reset_count);
for (n = 0; n < ee->num_ports; n++) {
@@ -1428,9 +1426,6 @@ intel_engine_coredump_add_request(struct intel_engine_coredump *ee,
if (HAS_BROKEN_CS_TLB(rq->i915))
vma = capture_vma(vma, ee->engine->gt->scratch, "WA batch", gfp);
- ee->cpu_ring_head = rq->ring->head;
- ee->cpu_ring_tail = rq->ring->tail;
-
ee->rq_head = rq->head;
ee->rq_post = rq->postfix;
ee->rq_tail = rq->tail;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
index 0df9d8c32056..8f4579d64d8c 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.h
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -66,10 +66,6 @@ struct intel_engine_coredump {
/* position of active request inside the ring */
u32 rq_head, rq_post, rq_tail;
- /* our own tracking of ring head and tail */
- u32 cpu_ring_head;
- u32 cpu_ring_tail;
-
/* Register state */
u32 ccid;
u32 start;
--
2.25.0.rc1
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