diff options
| author | Rob Clark <robdclark@chromium.org> | 2023-01-10 15:14:42 -0800 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-01-16 10:40:18 -0800 |
| commit | 6563f60f14cbb3dcbdc4e1d8469fc0fbaaa80544 (patch) | |
| tree | b7bb7cc645d7e1ab6c3450e92c5a2bebe77f5a5e /drivers/gpu/drm/msm/msm_debugfs.c | |
| parent | 3cba4a2cdff3afe0b057fa4ab200598d3b41d09a (diff) | |
drm/msm/gpu: Add devfreq tuning debugfs
Make the handful of tuning knobs available visible via debugfs.
v2: select DEVFREQ_GOV_SIMPLE_ONDEMAND because for some reason
struct devfreq_simple_ondemand_data depends on this
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/517784/
Link: https://lore.kernel.org/r/20230110231447.1939101-2-robdclark@gmail.com
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_debugfs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 95f4374ae21c..d6ecff0ab618 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -305,6 +305,7 @@ void msm_debugfs_init(struct drm_minor *minor) { struct drm_device *dev = minor->dev; struct msm_drm_private *priv = dev->dev_private; + struct dentry *gpu_devfreq; drm_debugfs_create_files(msm_debugfs_list, ARRAY_SIZE(msm_debugfs_list), @@ -325,6 +326,17 @@ void msm_debugfs_init(struct drm_minor *minor) debugfs_create_file("shrink", S_IRWXU, minor->debugfs_root, dev, &shrink_fops); + gpu_devfreq = debugfs_create_dir("devfreq", minor->debugfs_root); + + debugfs_create_bool("idle_clamp",0600, gpu_devfreq, + &priv->gpu_clamp_to_idle); + + debugfs_create_u32("upthreshold",0600, gpu_devfreq, + &priv->gpu_devfreq_config.upthreshold); + + debugfs_create_u32("downdifferential",0600, gpu_devfreq, + &priv->gpu_devfreq_config.downdifferential); + if (priv->kms && priv->kms->funcs->debugfs_init) priv->kms->funcs->debugfs_init(priv->kms, minor); |