diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2014-11-04 17:06:51 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-11-07 18:42:09 +0100 |
| commit | c5511e44e8a643cf6400e8dbf9e4f6d348786112 (patch) | |
| tree | db1d537bb23911cf094bc5943e2ed7eeb77f5d8f /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | 97e94b22ed4fe116beadbdbe4667f2a2f9aa9fd0 (diff) | |
| download | linux-c5511e44e8a643cf6400e8dbf9e4f6d348786112.tar.gz | |
drm/i915/skl: Add a debugfs file to dump the DDB allocation
v2: minor conflict in i915_debugfs.c
v3: Rebase on top of the for_each_pipe() change adding dev_priv as first
argument.
v4: minor conflict in the i915_debugfs_files array
v5: minor conflict in the i915_debugfs_files array
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b1cbfbf84fe1..319da61354b0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2679,6 +2679,42 @@ static int i915_wa_registers(struct seq_file *m, void *unused) return 0; } +static int i915_ddb_info(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct skl_ddb_allocation *ddb; + struct skl_ddb_entry *entry; + enum pipe pipe; + int plane; + + drm_modeset_lock_all(dev); + + ddb = &dev_priv->wm.skl_hw.ddb; + + seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); + + for_each_pipe(dev_priv, pipe) { + seq_printf(m, "Pipe %c\n", pipe_name(pipe)); + + for_each_plane(pipe, plane) { + entry = &ddb->plane[pipe][plane]; + seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, + entry->start, entry->end, + skl_ddb_entry_size(entry)); + } + + entry = &ddb->cursor[pipe]; + seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, + entry->end, skl_ddb_entry_size(entry)); + } + + drm_modeset_unlock_all(dev); + + return 0; +} + struct pipe_crc_info { const char *name; struct drm_device *dev; @@ -4252,6 +4288,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, {"i915_dp_mst_info", i915_dp_mst_info, 0}, {"i915_wa_registers", i915_wa_registers, 0}, + {"i915_ddb_info", i915_ddb_info, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |