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drm/i915: Include timeline seqno in error capture

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The seqno value actually written out to memory is no longer in the
regular HWSP. Instead, it is now in its own private timeline buffer.
Thus, it is no longer visible in an error capture. So, explicitly read
the value and include that in the capture.

v2: %d -> %u (Alan)

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230311063714.570389-4-John.C.Harrison@Intel.com
This commit is contained in:
John Harrison
2023-03-10 22:37:14 -08:00
parent 53c4e64c6a
commit c8a76df60d
2 changed files with 4 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_gpu_error.c
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@@ -505,6 +505,7 @@ static void error_print_context(struct drm_i915_error_state_buf *m,
header, ctx->comm, ctx->pid, ctx->sched_attr.priority,
ctx->guilty, ctx->active,
ctx->total_runtime, ctx->avg_runtime);
err_printf(m, " context timeline seqno %u\n", ctx->hwsp_seqno);
}
static struct i915_vma_coredump *
@@ -1395,6 +1396,8 @@ static bool record_context(struct i915_gem_context_coredump *e,
e->sched_attr = ctx->sched;
e->guilty = atomic_read(&ctx->guilty_count);
e->active = atomic_read(&ctx->active_count);
e->hwsp_seqno = (ce->timeline && ce->timeline->hwsp_seqno) ?
*ce->timeline->hwsp_seqno : ~0U;
e->total_runtime = intel_context_get_total_runtime_ns(ce);
e->avg_runtime = intel_context_get_avg_runtime_ns(ce);