github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 06:31:58 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/v3d: Add modparam for turning off Big/Super Pages

Browse Source 
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
This commit is contained in:
Maíra Canal 2024-09-23 10:55:14 -03:00
parent 20d69e8905
commit 0df4a13ca8
No known key found for this signature in database
GPG Key ID: 6E388F05AB35B7CF
3 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/v3d/v3d_drv.c
View File

@ -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)
{

1
drivers/gpu/drm/v3d/v3d_drv.h
View File

@ -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);

4
drivers/gpu/drm/v3d/v3d_gemfs.c
View File

@ -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;