path: root/drivers/gpu/drm/i915/i915_debugfs.c

/*
 * Copyright © 2008 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *    Keith Packard <keithp@keithp.com>
 *
 */

#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
#include "drmP.h"
#include "drm.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"

#define DRM_I915_RING_DEBUG 1


#if defined(CONFIG_DEBUG_FS)

enum {
	ACTIVE_LIST,
	FLUSHING_LIST,
	INACTIVE_LIST,
	PINNED_LIST,
	DEFERRED_FREE_LIST,
};

static const char *yesno(int v)
{
	return v ? "yes" : "no";
}

static int i915_capabilities(struct seq_file *m, void *data)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	struct drm_device *dev = node->minor->dev;
	const struct intel_device_info *info = INTEL_INFO(dev);

	seq_printf(m, "gen: %d\n", info->gen);
#define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
	B(is_mobile);
	B(is_i85x);
	B(is_i915g);
	B(is_i945gm);
	B(is_g33);
	B(need_gfx_hws);
	B(is_g4x);
	B(is_pineview);
	B(is_broadwater);
	B(is_crestline);
	B(has_fbc);
	B(has_rc6);
	B(has_pipe_cxsr);
	B(has_hotplug);
	B(cursor_needs_physical);
	B(has_overlay);
	B(overlay_needs_physical);
	B(supports_tv);
	B(has_bsd_ring);
	B(has_blt_ring);
#undef B

	return 0;
}

static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
{
	if (obj_priv->user_pin_count > 0)
		return "P";
	else if (obj_priv->pin_count > 0)
		return "p";
	else
		return " ";
}

static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
{
    switch (obj_priv->tiling_mode) {
    default:
    case I915_TILING_NONE: return " ";
    case I915_TILING_X: return "X";
    case I915_TILING_Y: return "Y";
    }
}

static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
	seq_printf(m, "%p: %s%s %8zd %08x %08x %d%s%s",
		   &obj->base,
		   get_pin_flag(obj),
		   get_tiling_flag(obj),
		   obj->base.size,
		   obj->base.read_domains,
		   obj->base.write_domain,
		   obj->last_rendering_seqno,
		   obj->dirty ? " dirty" : "",
		   obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
	if (obj->base.name)
		seq_printf(m, " (name: %d)", obj->base.name);
	if (obj->fence_reg != I915_FENCE_REG_NONE)
		seq_printf(m, " (fence: %d)", obj->fence_reg);
	if (obj->gtt_space != NULL)
		seq_printf(m, " (gtt_offset: %08x)", obj->gtt_offset);
	if (obj->ring != NULL)
		seq_printf(m, " (%s)", obj->ring->name);
}

static int i915_gem_object_list_info(struct seq_file *m, void *data)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	uintptr_t list = (uintptr_t) node->info_ent->data;
	struct list_head *head;
	struct drm_device *dev = node->minor->