---
 drivers/gpu/drm/i915/i915_gem_debugfs.c |  778 +++++++++++++++++++++++++++++++
 1 files changed, 778 insertions(+), 0 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_gem_debugfs.c

diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c 
b/drivers/gpu/drm/i915/i915_gem_debugfs.c
new file mode 100644
index 0000000..af15b22
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c
@@ -0,0 +1,778 @@
+#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_DRM_DEBUGFS)
+
+static int i915_gem_active_info(struct seq_file *m, void *data)
+{
+       struct drm_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = 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;
+}
+
+#define DRM_I915_RING_DEBUG 1
+#if DRM_I915_RING_DEBUG
+static char *mi_cmds[0x40] = {
+       "MI_NOOP",                  /* 00 */
+       "Reserved 01",
+       "MI_USER_INTERRUPT",
+       "MI_WAIT_FOR_EVENT",
+
+       "MI_FLUSH",                 /* 04 */
+       "MI_ARB_CHECK",
+       NULL,
+       "MI_REPORT_HEAD",
+
+       NULL,               /* 08 */
+       NULL,
+       "MI_BATCH_BUFFER_END",
+       NULL,
+
+       NULL,               /* 0c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,               /* 10 */
+       "MI_OVERLAY_FLIP",
+       "MI_LOAD_SCAN_LINES_INCL",
+       "MI_LOAD_SCAN_LINES_EXCL",
+
+       "MI_DISPLAY_BUFFER_INFO",       /* 14 */
+       NULL,
+       NULL,
+       NULL,
+
+       "MI_SET_CONTEXT",               /* 18 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 1c */
+       NULL,
+       NULL,
+       NULL,
+
+       "MI_STORE_DATA_IMM",    /* 20 */
+       "MI_STORE_DATA_INDEX",
+       "MI_LOAD_REGISTER_IMM",
+       NULL,
+
+       "MI_STORE_REGISTER_MEM",        /* 24 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 28 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 2c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 30 */
+       "MI_BATCH_BUFFER_START",
+       NULL,
+       NULL,
+
+       NULL,                   /* 34 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 38 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 3c */
+       NULL,
+       NULL,
+       NULL,
+};
+
+static char *_2d_cmds[0x80] = {
+       NULL,                   /* 00 */
+       "XY_SETUP_BLT",
+       NULL,
+       "XY_SETUP_CLIP_BLT",
+
+       NULL,                   /* 04 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 08 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 0c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 10 */
+       "XY_SETUP_MONO_PATTERN_SL_BLT",
+       NULL,
+       NULL,
+
+       NULL,                   /* 14 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 18 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 1c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 20 */
+       NULL,
+       NULL,
+       NULL,
+
+       "XY_PIXEL_BLT",                 /* 24 */
+       "XY_SCANLINE_BLT",
+       "XY_TEXT_BLT",
+       NULL,
+
+       NULL,                   /* 28 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 2c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 30 */
+       "XY_TEXT_IMMEDIATE_BLT",
+       NULL,
+       NULL,
+
+       NULL,                   /* 34 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 38 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 3c */
+       NULL,
+       NULL,
+       NULL,
+
+       "COLOR_BLT",                    /* 40 */
+       NULL,
+       NULL,
+       "SRC_COPY_BLT",
+
+       NULL,                   /* 44 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 48 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 4c */
+       NULL,
+       NULL,
+       NULL,
+
+       "XY_COLOR_BLT",                 /* 50 */
+       "XY_PAT_BLT",
+       "XY_MONO_PAT_BLT",
+       "XY_SRC_COPY_BLT",
+
+       "XY_MONO_SRC_COPY_BLT",         /* 54 */
+       "XY_FULL_BLT",
+       "XY_FULL_MONO_SRC_BLT",
+       "XY_FULL_MONO_PATTERN_BLT",
+
+       "XY_FULL_MONO_PATTERN_MONO_SRC_BLT", /* 58 */
+       "XY_MONO_PAT_FIXED_BLT",
+       NULL,
+       NULL,
+
+       NULL,                   /* 5c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 60 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 64 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 68 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 6c */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 70 */
+       "XY_MONO_SRC_COPY_IMMEDIATE_BLT",
+       "XY_PAT_BLT_IMMEDIATE",
+       "XY_SRC_COPY_CHROMA_BLT",
+
+       "XY_FULL_IMMEDIATE_PATTERN_BLT", /* 74 */
+       "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT",
+       "XY_PAT_CHROMA_BLT",
+       "XY_PAT_CHROMA_BLT_IMMEDIATE",
+
+       NULL,                   /* 78 */
+       NULL,
+       NULL,
+       NULL,
+
+       NULL,                   /* 7c */
+       NULL,
+       NULL,
+       NULL,
+};
+
+#define _3D_ONE_WORD   1
+
+static struct {
+       char        *name;
+       int         flags;
+} _3d_cmds[0x4][0x8][0x100] = {
+       {               /* Pipeline Type 00 (Common) */
+               {           /* Opcode 0 */
+                       { "URB_FENCE", 0 },                     /* 00 */
+                       { "CS_URB_STATE", 0 },
+                       { "CONSTANT_BUFFER", 0 },
+                       { "STATE_PREFETCH", 0 },
+               },
+               {           /* Opcode 1 */
+                       { NULL, 0 },                            /* 00 */
+                       { "STATE_BASE_ADDRESS", 0 },
+                       { "STATE_SIP", 0 },
+                       { NULL, 0 },
+
+                       { "PIPELINE_SELECT", _3D_ONE_WORD },    /* 04 */
+               },
+       },
+       {               /* Pipeline Type 01 (Single DW) */
+               {           /* Opcode 0 */
+               },
+               {           /* Opcode 1 */
+                       { NULL, 0 },                            /* 00 */
+                       { NULL, 0 },
+                       { NULL, 0 },
+                       { NULL, 0 },
+
+                       { "PIPELINE_SELECT", 0 },                       /* 04 */
+                       { NULL, 0 },
+                       { NULL, 0 },
+                       { NULL, 0 },
+               },
+       },
+       {               /* Pipeline Type 02 (Media) */
+               {           /* Opcode 0 */
+                       { "MEDIA_STATE_POINTERS", 0 },          /* 00 */
+               },
+               {           /* Opcode 1 */
+                       { "MEDIA_OBJECT", 0 },                  /* 00 */
+                       { "MEDIA_OBJECT_EX", 0 },
+                       { "MEDIA_OBJECT_PTR", 0 },
+               },
+       },
+       {               /* Pipeline Type 03 (3D) */
+               {           /* Opcode 0 */
+                       { "3DSTATE_PIPELINED_POINTERS", 0 },    /* 00 */
+                       { "3DSTATE_BINDING_TABLE_POINTERS", 0 },
+                       { NULL, 0 },
+                       { NULL, 0 },
+
+                       { NULL, 0 },                            /* 04 */
+                       { "3DSTATE_URB", 0 },
+                       { NULL, 0 },
+                       { NULL, 0 },
+
+                       { "3DSTATE_VERTEX_BUFFERS", 0 },                /* 08 */
+                       { "3DSTATE_VERTEX_ELEMENTS", 0 },
+                       { "3DSTATE_INDEX_BUFFER", 0 },
+                       { "3DSTATE_VF_STATISTICS", _3D_ONE_WORD },
+
+                       { NULL, 0 },                            /* 0c */
+                       { "3DSTATE_VIEWPORT_STATE_POINTERS", 0 },
+               },
+               {           /* Opcode 1 */
+                       { "3DSTATE_DRAWING_RECTANGLE", 0 },     /* 00 */
+                       { "3DSTATE_CONSTANT_COLOR", 0 },
+                       { "3DSTATE_SAMPLER_PALETTE_LOAD0", 0 },
+                       { NULL, 0 },
+
+                       { "3DSTATE_CHROMA_KEY", 0 },            /* 04 */
+                       { "3DSTATE_DEPTH_BUFFER", 0 },
+                       { "3DSTATE_POLY_STIPPLE_OFFSET", 0 },
+                       { "3DSTATE_POLY_STIPPLE_PATTERN", 0 },
+
+                       { "3DSTATE_LINE_STIPPLE", 0 },          /* 08 */
+                       { "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP", 0 },
+               },
+               {           /* Opcode 2 */
+                       { "PIPE_CONTROL", 0 },                  /* 00 */
+               },
+               {           /* Opcode 3 */
+                       { "3DPRIMITIVE", 0 },                   /* 00 */
+               },
+       },
+};
+
+static int valid_command(uint32_t cmd)
+{
+       uint32_t  type = (cmd >> 29) & 0x7;
+       uint32_t        pipeline_type;
+       uint32_t        opcode;
+       uint32_t        subopcode;
+       uint32_t        count = 0;
+
+       switch (type) {
+               case 0:                     /* Memory Interface */
+                       opcode = (cmd >> 23) & 0x3f;
+                       if (opcode < 0x10)
+                               count = 1;
+                       else
+                               count = (cmd & 0x3f) + 2;
+
+                       if (opcode == 0x00 && cmd != 0x00000000)
+                               return -1;
+                       if (!mi_cmds[opcode])
+                               return -1;
+                       break;
+
+               case 1:
+                       break;
+
+               case 2:                     /* 2D */
+                       count = (cmd & 0x1f) + 2;
+                       opcode = (cmd >> 22) & 0x7f;
+                       if (!_2d_cmds[opcode])
+                               return -1;
+                       break;
+
+               case 3:                     /* 3D */
+                       pipeline_type = (cmd >> 27) & 0x3;
+                       opcode = (cmd >> 24) & 0x7;
+                       subopcode = (cmd >> 16) & 0xff;
+                       if (_3d_cmds[pipeline_type][opcode][subopcode].flags & 
_3D_ONE_WORD)
+                               count = 1;
+                       else
+                               count = (cmd & 0xff) + 2;
+
+                       if (pipeline_type <= 3)
+                               return count;
+                       if (!_3d_cmds[pipeline_type][opcode][subopcode].name)
+                               return -1;
+                       break;
+
+               default:
+                       return -1;
+       }
+       return count;
+}
+
+static int dump_cmd(struct seq_file *m, uint32_t cmd, int count)
+{
+       uint32_t  type = (cmd >> 29) & 0x7;
+       uint32_t  opcode, subopcode;
+       uint32_t  pipeline_type;
+       int ret = 1;
+
+       seq_printf(m, "\t");
+       switch (type) {
+               /* Memory Interface */
+               case 0:
+                       opcode = (cmd >> 23) & 0x3f;
+                       if (mi_cmds[opcode])
+                               seq_printf(m, "%-40.40s %d\n", mi_cmds[opcode], 
count);
+                       else
+                               seq_printf(m, "Memory Interface Reserved\n");
+                       break;
+
+               case 1:
+                       break;
+
+                       /* 2D */
+               case 2:
+                       opcode = (cmd >> 22) & 0x7f;
+                       if (_2d_cmds[opcode])
+                               seq_printf(m, "%-40.40s %d\n", 
_2d_cmds[opcode], count);
+                       else
+                               seq_printf(m, "2D Reserved\n");
+                       break;
+
+                       /* 3D */
+               case 3:
+                       pipeline_type = (cmd >> 27) & 0x3;
+                       opcode = (cmd >> 24) & 0x7;
+                       subopcode = (cmd >> 16) & 0xff;
+                       if (_3d_cmds[pipeline_type][opcode][subopcode].name) {
+                               seq_printf(m, "%-40.40s %d\n",
+                                               
_3d_cmds[pipeline_type][opcode][subopcode].name,
+                                               count);
+                       } else {
+                               seq_printf(m, "3D/Media Reserved (pipe %d op %d 
sub %d)\n",
+                                               pipeline_type, opcode, 
subopcode);
+                       }
+                       break;
+
+               default:
+                       seq_printf(m, "Reserved\n");
+                       break;
+       }
+       return ret;
+}
+
+static void dump_cmds (struct seq_file      *m,
+               volatile unsigned char  *virt,
+               uint32_t                start,
+               uint32_t                stop,
+               uint32_t                mask,
+               uint32_t                acthd)
+{
+       uint32_t ring = start;
+       uint32_t cmd = start;
+       uint32_t data;
+       uint32_t batch_start_mask = ((0x7 << 29) |
+                       (0x3f << 23) |
+                       (0x7ff << 12) |
+                       (1 << 11) |
+                       (1 << 7) |
+                       (1 << 6) |
+                       (0x3f << 0));
+       uint32_t batch_start_cmd = ((0x0 << 29) |
+                       (0x31 << 23) |
+                       (0x00 << 12) |
+                       (0 << 11) |
+                       (1 << 7) |
+                       (0 << 6) |
+                       (0 << 0));
+       int count;
+       volatile uint32_t *ptr;
+
+       while (ring != stop) {
+               if (ring == acthd)
+                       seq_printf(m, "****");
+
+               DRM_INFO("\t%08x: %08x", ring, *(volatile unsigned int*) (virt 
+ ring));
+               if (ring == cmd) {
+                       ptr = (volatile uint32_t *) (virt + ring);
+                       data = *ptr;
+                       count = valid_command(data);
+                       dump_cmd(m, data, count);
+
+                       /* check for MI_BATCH_BUFFER_END */
+                       if (data == (0x0a << 23))
+                               stop = (ring + 4) & mask;
+
+                       /* check for MI_BATCH_BUFFER_START */
+                       if ( (data & batch_start_mask) == batch_start_cmd) {
+                               uint32_t batch = ptr[1] & ~3;
+                               seq_printf(m, "\t%08x: %08x\n", (ring + 4) & 
mask, batch);
+                               seq_printf(m, "Batch buffer at 0x%08x {\n", 
batch);
+                               /* TODO: Implement batch buffer dumping
+                                  dump_cmds(m, acthd);
+                                  ring = (ring + (count -1)*4) & mask;
+                                  */
+                               seq_printf(m, "}\n");
+                       }
+                       cmd = (cmd + count * 4) & mask;
+               } else
+                       seq_printf(m, "\n");
+               ring = (ring + 4) & mask;
+       }
+}
+
+static int valid_chain(struct drm_device *dev, unsigned int ring, unsigned int 
end)
+{
+       drm_i915_private_t      *dev_priv = dev->dev_private;
+       unsigned int head, tail, mask;
+       volatile unsigned char *virt;
+       uint32_t data;
+       int count;
+       volatile uint32_t *ptr;
+
+       head = dev_priv->ring.head & HEAD_ADDR;
+       tail = dev_priv->ring.tail & TAIL_ADDR;
+       mask = dev_priv->ring.tail_mask;
+       virt = dev_priv->ring.virtual_start;
+
+       for (;;) {
+               ptr = (volatile uint32_t *) (virt + ring);
+               data = *ptr;
+               count = valid_command(data);
+               if (count < 0)
+                       return 0;
+               while (count > 0 && ring != end) {
+                       ring = (ring + 4) & mask;
+                       count--;
+               }
+               if (ring == end) {
+                       if (count == 0)
+                               return 1;
+                       else
+                               return 0;
+               }
+       }
+}
+
+static void dump_ring(struct seq_file *m, struct drm_device *dev, uint32_t 
acthd)
+{
+       drm_i915_private_t      *dev_priv = dev->dev_private;
+       unsigned int head, tail, mask, cmd;
+       volatile unsigned char *virt;
+
+       head = dev_priv->ring.head & HEAD_ADDR;
+       tail = dev_priv->ring.tail & TAIL_ADDR;
+       mask = dev_priv->ring.tail_mask;
+       virt = dev_priv->ring.virtual_start;
+       seq_printf(m, "Ring at %p head 0x%x tail 0x%x count %d acthd 0x%x\n",
+                       virt, head, tail, (((tail + mask + 1) - head) & mask) 
>> 2, acthd);
+
+       for (cmd = (head - 256) & mask;
+                       cmd != (head & mask);
+                       cmd = (cmd + 4) & mask) {
+               if (valid_chain(dev, cmd, (head & mask)))
+                       break;
+       }
+
+       dump_cmds(m, virt, cmd, head, mask, acthd);
+       seq_printf(m, "Ring end\n");
+}
+
+static int i915_ring_buffer_info(struct seq_file *m, void *data)
+{
+       struct drm_minor *minor = (struct drm_minor *) m->private;
+       struct drm_device *dev = minor->dev;
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       uint32_t acthd;
+
+       acthd = I915_READ(ACTHD_I965);
+       dump_ring(m, dev, acthd);
+       return 0;
+}
+#endif /* DRM_I915_RING_DEBUG */
+
+
+static struct drm_debugfs_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},
+#if DRM_I915_RING_DEBUG
+       {"i915_gem_ringbuf", i915_ring_buffer_info, 0},
+#endif
+};
+
+#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
+
-- 
1.6.0.5


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