diff options
| author | Ben Gamari <bgamari.foss@gmail.com> | 2009-07-01 22:26:53 -0400 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-09-04 13:05:09 -0700 |
| commit | 9e3a6d155ed0a7636b926a798dd7221ea107b274 (patch) | |
| tree | 9bc79e992d908aa3cf2ba4cf35f34df7b3bd956e /drivers | |
| parent | 27c202ad7f141d4efa9c64e30bf4a4d3bcd799ae (diff) | |
drm/i915: Add i915 register dumping debugfs file
Add a debugfs file to dump the entire register range. Here we
assume that reading write-only/reserved registers won't make the chip
angry. Seems to hold true, thankfully.
Signed-off-by: Ben Gamari <bgamari.foss@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b4f2d6bce15..49e0d870f49 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -363,7 +363,37 @@ out: return 0; } +static int i915_registers_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; + uint32_t reg; + +#define DUMP_RANGE(start, end) \ + for (reg=start; reg < end; reg += 4) \ + seq_printf(m, "%08x\t%08x\n", reg, I915_READ(reg)); + + DUMP_RANGE(0x00000, 0x00fff); /* VGA registers */ + DUMP_RANGE(0x02000, 0x02fff); /* instruction, memory, interrupt control registers */ + DUMP_RANGE(0x03000, 0x031ff); /* FENCE and PPGTT control registers */ + DUMP_RANGE(0x03200, 0x03fff); /* frame buffer compression registers */ + DUMP_RANGE(0x05000, 0x05fff); /* I/O control registers */ + DUMP_RANGE(0x06000, 0x06fff); /* clock control registers */ + DUMP_RANGE(0x07000, 0x07fff); /* 3D internal debug registers */ + DUMP_RANGE(0x07400, 0x088ff); /* GPE debug registers */ + DUMP_RANGE(0x0a000, 0x0afff); /* display palette registers */ + DUMP_RANGE(0x10000, 0x13fff); /* MMIO MCHBAR */ + DUMP_RANGE(0x30000, 0x3ffff); /* overlay registers */ + DUMP_RANGE(0x60000, 0x6ffff); /* display engine pipeline registers */ + DUMP_RANGE(0x70000, 0x72fff); /* display and cursor registers */ + DUMP_RANGE(0x73000, 0x73fff); /* performance counters */ + + return 0; +} + + static struct drm_info_list i915_debugfs_list[] = { + {"i915_regs", i915_registers_info, 0}, {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST}, {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |