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| author | Matthew Auld <matthew.auld@intel.com> | 2023-07-19 11:38:05 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 19:37:35 +0300 |
| commit | 6bfbd0c589bb89581bb89d2776924c3853296cfc (patch) | |
| tree | d74f4f1d7593188cb98dfe381a4d2f8a7b768c8c /drivers/gpu/drm/xe/xe_debugfs.c | |
| parent | 2d30332a5ec004effe24d669003bf94e7f167387 (diff) | |
| download | linux-6bfbd0c589bb89581bb89d2776924c3853296cfc.tar.xz | |
drm/xe/debugfs: grab mem_access around forcewake
We need keep the device awake when performing any kind of mmio operation.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/279
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_debugfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index 7827a785b020..047341d5689a 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -70,6 +70,8 @@ static int forcewake_open(struct inode *inode, struct file *file) struct xe_gt *gt; u8 id; + xe_device_mem_access_get(xe); + for_each_gt(gt, xe, id) XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL)); @@ -85,6 +87,8 @@ static int forcewake_release(struct inode *inode, struct file *file) for_each_gt(gt, xe, id) XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL)); + xe_device_mem_access_put(xe); + return 0; } |