From: Maíra Canal Date: Fri, 5 Jan 2024 14:57:42 +0000 (-0300) Subject: drm/v3d: Show the memory-management stats on debugfs X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=502756e23360d1192c496bc6791e97621e8578d8;p=linux.git drm/v3d: Show the memory-management stats on debugfs Dump the contents of the DRM MM allocator of the V3D driver. This will help us to debug the VA ranges allocated. Signed-off-by: Maíra Canal Reviewed-by: Melissa Wen Link: https://patchwork.freedesktop.org/patch/msgid/20240105145851.193492-1-mcanal@igalia.com --- diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c index f843a50d5dce6..cdfe1d3bf5eef 100644 --- a/drivers/gpu/drm/v3d/v3d_debugfs.c +++ b/drivers/gpu/drm/v3d/v3d_debugfs.c @@ -260,11 +260,26 @@ static int v3d_measure_clock(struct seq_file *m, void *unused) return 0; } +static int v3d_debugfs_mm(struct seq_file *m, void *unused) +{ + struct drm_printer p = drm_seq_file_printer(m); + struct drm_debugfs_entry *entry = m->private; + struct drm_device *dev = entry->dev; + struct v3d_dev *v3d = to_v3d_dev(dev); + + spin_lock(&v3d->mm_lock); + drm_mm_print(&v3d->mm, &p); + spin_unlock(&v3d->mm_lock); + + return 0; +} + static const struct drm_debugfs_info v3d_debugfs_list[] = { {"v3d_ident", v3d_v3d_debugfs_ident, 0}, {"v3d_regs", v3d_v3d_debugfs_regs, 0}, {"measure_clock", v3d_measure_clock, 0}, {"bo_stats", v3d_debugfs_bo_stats, 0}, + {"v3d_mm", v3d_debugfs_mm, 0}, }; void