drm/i915/bdw: Display context backing obj & ringbuffer info in debugfs
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Checkpatch.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 6833581..4f279cf 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1677,6 +1677,14 @@
return 0;
}
+static void describe_ctx_ringbuf(struct seq_file *m,
+ struct intel_ringbuffer *ringbuf)
+{
+ seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)",
+ ringbuf->space, ringbuf->head, ringbuf->tail,
+ ringbuf->last_retired_head);
+}
+
static int i915_context_status(struct seq_file *m, void *unused)
{
struct drm_info_node *node = m->private;
@@ -1703,16 +1711,37 @@
}
list_for_each_entry(ctx, &dev_priv->context_list, link) {
- if (ctx->legacy_hw_ctx.rcs_state == NULL)
+ if (!i915.enable_execlists &&
+ ctx->legacy_hw_ctx.rcs_state == NULL)
continue;
seq_puts(m, "HW context ");
describe_ctx(m, ctx);
- for_each_ring(ring, dev_priv, i)
+ for_each_ring(ring, dev_priv, i) {
if (ring->default_context == ctx)
- seq_printf(m, "(default context %s) ", ring->name);
+ seq_printf(m, "(default context %s) ",
+ ring->name);
+ }
- describe_obj(m, ctx->legacy_hw_ctx.rcs_state);
+ if (i915.enable_execlists) {
+ seq_putc(m, '\n');
+ for_each_ring(ring, dev_priv, i) {
+ struct drm_i915_gem_object *ctx_obj =
+ ctx->engine[i].state;
+ struct intel_ringbuffer *ringbuf =
+ ctx->engine[i].ringbuf;
+
+ seq_printf(m, "%s: ", ring->name);
+ if (ctx_obj)
+ describe_obj(m, ctx_obj);
+ if (ringbuf)
+ describe_ctx_ringbuf(m, ringbuf);
+ seq_putc(m, '\n');
+ }
+ } else {
+ describe_obj(m, ctx->legacy_hw_ctx.rcs_state);
+ }
+
seq_putc(m, '\n');
}