[PATCH 45/49] drm/i915/bdw: Display context ringbuffer info in debugfs

oscar.mateo
2014-03-27T17:19:59Z

From: Oscar Mateo <oscar.mateo@intel.com>

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 226b630..c52108d 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1648,6 +1648,14 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)

return 0;
}
+static void describe_ctx_ringbuf(struct seq_file *m, struct i915_hw_context *ctx)
+{
+ struct intel_ringbuffer *ringbuf = ctx->ringbuf;
+
+ seq_printf(m, " (ringbuffer type: %d, space: %d, head: %u, tail: %u, last head: %d)",
+ ctx->ring_id, ringbuf->space, ringbuf->head, ringbuf->tail,
+ ringbuf->last_retired_head);
+}

static int i915_context_status(struct seq_file *m, void *unused)
{
@@ -1682,6 +1690,8 @@ static int i915_context_status(struct seq_file *m, void *unused)
seq_printf(m, "(default context %s) ", ring->name);

describe_obj(m, ctx->obj);
+ if (dev_priv->lrc_enabled)
+ describe_ctx_ringbuf(m, ctx);
seq_putc(m, '\n');
}

--
1.9.0