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Commit c9fe99bd authored by Oscar Mateo's avatar Oscar Mateo Committed by Daniel Vetter
Browse files

drm/i915/bdw: Display context backing obj & ringbuffer info in debugfs 



Signed-off-by: default avatarOscar Mateo <oscar.mateo@intel.com>
Reviewed-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
[danvet: Checkpatch.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 4ba70e44

drivers/gpu/drm/i915/i915_debugfs.c

+33 −4
Original line number Diff line number Diff line
@@ -1677,6 +1677,14 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) 
	return 0;

}



static void describe_ctx_ringbuf(struct seq_file *m,

				 struct 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 @@ static int i915_context_status(struct seq_file *m, void *unused) 
	}



	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);

		}



		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');

	}