diff options
| author | Maíra Canal <mcanal@igalia.com> | 2024-09-23 10:55:14 -0300 |
|---|---|---|
| committer | Maíra Canal <mcanal@igalia.com> | 2024-09-25 08:40:25 -0300 |
| commit | 0df4a13ca8bed29cbc362c99b958fbb8b27b1675 (patch) | |
| tree | 04b585fbbc5f13baee2856f131dd764b64d91464 | |
| parent | 20d69e8905fc36818ab585cb50f6de48fb8f6de3 (diff) | |
drm/v3d: Add modparam for turning off Big/Super Pages
Add a modparam for turning off Big/Super Pages to make sure that if an
user doesn't want Big/Super Pages enabled, it can disabled it by setting
the modparam to false.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240923141348.2422499-11-mcanal@igalia.com
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_gemfs.c | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index d7ff1f5fa481..8be8c6dd9b35 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -36,6 +36,13 @@ #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 +/* Only expose the `super_pages` modparam if THP is enabled. */ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +bool super_pages = true; +module_param_named(super_pages, super_pages, bool, 0400); +MODULE_PARM_DESC(super_pages, "Enable/Disable Super Pages support."); +#endif + static int v3d_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index a98543290fa8..de73eefff9ac 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -539,6 +539,7 @@ void v3d_invalidate_caches(struct v3d_dev *v3d); void v3d_clean_caches(struct v3d_dev *v3d); /* v3d_gemfs.c */ +extern bool super_pages; void v3d_gemfs_init(struct v3d_dev *v3d); void v3d_gemfs_fini(struct v3d_dev *v3d); diff --git a/drivers/gpu/drm/v3d/v3d_gemfs.c b/drivers/gpu/drm/v3d/v3d_gemfs.c index 31cf5bd11e39..4c5e18590a5c 100644 --- a/drivers/gpu/drm/v3d/v3d_gemfs.c +++ b/drivers/gpu/drm/v3d/v3d_gemfs.c @@ -20,6 +20,10 @@ void v3d_gemfs_init(struct v3d_dev *v3d) if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) goto err; + /* The user doesn't want to enable Super Pages */ + if (!super_pages) + goto err; + type = get_fs_type("tmpfs"); if (!type) goto err; |