drm/i915: Convert i915 proc files to seq_file and move to debugfs.

Signed-off-by: Ben Gamari <bgamari@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

drivers/gpu/drm/i915/Makefile

@@ -7,7 +7,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
           i915_suspend.o \
 	  i915_gem.o \
 	  i915_gem_debug.o \
-	  i915_gem_proc.o \
+	  i915_gem_debugfs.o \
 	  i915_gem_tiling.o \
 	  intel_display.o \
 	  intel_crt.o \

drivers/gpu/drm/i915/i915_drv.c

@@ -150,8 +150,10 @@ static struct drm_driver driver = {
 	.get_reg_ofs = drm_core_get_reg_ofs,
 	.master_create = i915_master_create,
 	.master_destroy = i915_master_destroy,
-	.proc_init = i915_gem_proc_init,
-	.proc_cleanup = i915_gem_proc_cleanup,
+#if defined(CONFIG_DEBUG_FS)
+	.debugfs_init = i915_gem_debugfs_init,
+	.debugfs_cleanup = i915_gem_debugfs_cleanup,
+#endif
 	.gem_init_object = i915_gem_init_object,
 	.gem_free_object = i915_gem_free_object,
 	.gem_vm_ops = &i915_gem_vm_ops,

drivers/gpu/drm/i915/i915_drv.h

@@ -605,8 +605,6 @@ int i915_gem_get_tiling(struct drm_device *dev, void *data,
 int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 void i915_gem_load(struct drm_device *dev);
-int i915_gem_proc_init(struct drm_minor *minor);
-void i915_gem_proc_cleanup(struct drm_minor *minor);
 int i915_gem_init_object(struct drm_gem_object *obj);
 void i915_gem_free_object(struct drm_gem_object *obj);
 int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
@@ -650,6 +648,10 @@ void i915_gem_dump_object(struct drm_gem_object *obj, int len,
 			  const char *where, uint32_t mark);
 void i915_dump_lru(struct drm_device *dev, const char *where);
 
+/* i915_debugfs.c */
+int i915_gem_debugfs_init(struct drm_minor *minor);
+void i915_gem_debugfs_cleanup(struct drm_minor *minor);
+
 /* i915_suspend.c */
 extern int i915_save_state(struct drm_device *dev);
 extern int i915_restore_state(struct drm_device *dev);

drivers/gpu/drm/i915/i915_gem_debugfs.c

@@ -0,0 +1,230 @@
+/*
+ * 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 "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+#define DRM_I915_RING_DEBUG 1
+
+
+#if defined(CONFIG_DEBUG_FS)
+
+static int i915_gem_active_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
+
+	seq_printf(m, "Active:\n");
+	list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
+			list)
+	{
+		struct drm_gem_object *obj = obj_priv->obj;
+		if (obj->name) {
+			seq_printf(m, "    %p(%d): %08x %08x %d\n",
+					obj, obj->name,
+					obj->read_domains, obj->write_domain,
+					obj_priv->last_rendering_seqno);
+		} else {
+			seq_printf(m, "       %p: %08x %08x %d\n",
+					obj,
+					obj->read_domains, obj->write_domain,
+					obj_priv->last_rendering_seqno);
+		}
+	}
+	return 0;
+}
+
+static int i915_gem_flushing_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
+
+	seq_printf(m, "Flushing:\n");
+	list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
+			list)
+	{
+		struct drm_gem_object *obj = obj_priv->obj;
+		if (obj->name) {
+			seq_printf(m, "    %p(%d): %08x %08x %d\n",
+					obj, obj->name,
+					obj->read_domains, obj->write_domain,
+					obj_priv->last_rendering_seqno);
+		} else {
+			seq_printf(m, "       %p: %08x %08x %d\n", obj,
+					obj->read_domains, obj->write_domain,
+					obj_priv->last_rendering_seqno);
+		}
+	}
+	return 0;
+}
+
+static int i915_gem_inactive_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
+
+	seq_printf(m, "Inactive:\n");
+	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
+			list)
+	{
+		struct drm_gem_object *obj = obj_priv->obj;
+		if (obj->name) {
+			seq_printf(m, "    %p(%d): %08x %08x %d\n",
+					obj, obj->name,
+					obj->read_domains, obj->write_domain,
+					obj_priv->last_rendering_seqno);
+		} else {
+			seq_printf(m, "       %p: %08x %08x %d\n", obj,
+					obj->read_domains, obj->write_domain,
+					obj_priv->last_rendering_seqno);
+		}
+	}
+	return 0;
+}
+
+static int i915_gem_request_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_request *gem_request;
+
+	seq_printf(m, "Request:\n");
+	list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
+		seq_printf(m, "    %d @ %d\n",
+			   gem_request->seqno,
+			   (int) (jiffies - gem_request->emitted_jiffies));
+	}
+	return 0;
+}
+
+static int i915_gem_seqno_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	if (dev_priv->hw_status_page != NULL) {
+		seq_printf(m, "Current sequence: %d\n",
+			   i915_get_gem_seqno(dev));
+	} else {
+		seq_printf(m, "Current sequence: hws uninitialized\n");
+	}
+	seq_printf(m, "Waiter sequence:  %d\n",
+			dev_priv->mm.waiting_gem_seqno);
+	seq_printf(m, "IRQ sequence:     %d\n", dev_priv->mm.irq_gem_seqno);
+	return 0;
+}
+
+
+static int i915_interrupt_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	seq_printf(m, "Interrupt enable:    %08x\n",
+		   I915_READ(IER));
+	seq_printf(m, "Interrupt identity:  %08x\n",
+		   I915_READ(IIR));
+	seq_printf(m, "Interrupt mask:      %08x\n",
+		   I915_READ(IMR));
+	seq_printf(m, "Pipe A stat:         %08x\n",
+		   I915_READ(PIPEASTAT));
+	seq_printf(m, "Pipe B stat:         %08x\n",
+		   I915_READ(PIPEBSTAT));
+	seq_printf(m, "Interrupts received: %d\n",
+		   atomic_read(&dev_priv->irq_received));
+	if (dev_priv->hw_status_page != NULL) {
+		seq_printf(m, "Current sequence:    %d\n",
+			   i915_get_gem_seqno(dev));
+	} else {
+		seq_printf(m, "Current sequence:    hws uninitialized\n");
+	}
+	seq_printf(m, "Waiter sequence:     %d\n",
+		   dev_priv->mm.waiting_gem_seqno);
+	seq_printf(m, "IRQ sequence:        %d\n",
+		   dev_priv->mm.irq_gem_seqno);
+	return 0;
+}
+
+static int i915_hws_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int i;
+	volatile u32 *hws;
+
+	hws = (volatile u32 *)dev_priv->hw_status_page;
+	if (hws == NULL)
+		return 0;
+
+	for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
+		seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
+			   i * 4,
+			   hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
+	}
+	return 0;
+}
+
+static struct drm_info_list i915_gem_debugfs_list[] = {
+	{"i915_gem_active", i915_gem_active_info, 0},
+	{"i915_gem_flushing", i915_gem_flushing_info, 0},
+	{"i915_gem_inactive", i915_gem_inactive_info, 0},
+	{"i915_gem_request", i915_gem_request_info, 0},
+	{"i915_gem_seqno", i915_gem_seqno_info, 0},
+	{"i915_gem_interrupt", i915_interrupt_info, 0},
+	{"i915_gem_hws", i915_hws_info, 0},
+};
+#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list)
+
+int i915_gem_debugfs_init(struct drm_minor *minor)
+{
+	return drm_debugfs_create_files(i915_gem_debugfs_list,
+					I915_GEM_DEBUGFS_ENTRIES,
+					minor->debugfs_root, minor);
+}
+
+void i915_gem_debugfs_cleanup(struct drm_minor *minor)
+{
+	drm_debugfs_remove_files(i915_gem_debugfs_list,
+				 I915_GEM_DEBUGFS_ENTRIES, minor);
+}
+
+#endif /* CONFIG_DEBUG_FS */
+