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| author | Thierry Reding <treding@nvidia.com> | 2015-01-23 09:16:03 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2015-04-02 18:46:14 +0200 |
| commit | 28c23373b88bcc244b573ea45596a51e9db73d2c (patch) | |
| tree | 47067dcd9cdacd69bb71d1964d6d04081cfb4918 | |
| parent | drm/tegra: dc: Check for valid parent clock (diff) | |
| download | linux-28c23373b88bcc244b573ea45596a51e9db73d2c.tar.xz linux-28c23373b88bcc244b573ea45596a51e9db73d2c.zip | |
drm/tegra: Provide debugfs file for the IOVA space
The Tegra DRM driver uses a single IO virtual address space for buffer
mappings. Provide a table of the address space usage in debugfs.
Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 7dd328d77996..7ba7e2860ac8 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -879,8 +879,18 @@ static int tegra_debugfs_framebuffers(struct seq_file *s, void *data) return 0; } +static int tegra_debugfs_iova(struct seq_file *s, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct drm_device *drm = node->minor->dev; + struct tegra_drm *tegra = drm->dev_private; + + return drm_mm_dump_table(s, &tegra->mm); +} + static struct drm_info_list tegra_debugfs_list[] = { { "framebuffers", tegra_debugfs_framebuffers, 0 }, + { "iova", tegra_debugfs_iova, 0 }, }; static int tegra_debugfs_init(struct drm_minor *minor) |