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| author | Matthew Auld <matthew.auld@intel.com> | 2023-07-19 11:38:07 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 19:37:36 +0300 |
| commit | 7da1d76ff647cc08d9400562a75a92e41ba6d7bc (patch) | |
| tree | 16307774504fe2b6df5dd6df84e6e42b964f7fb9 /drivers/gpu/drm/xe/xe_mmio.c | |
| parent | 2d3ab1fa3195d2b0291625fcd0062796aaf15794 (diff) | |
| download | linux-7da1d76ff647cc08d9400562a75a92e41ba6d7bc.tar.xz | |
drm/xe/mmio: grab mem_access in xe_mmio_ioctl
Any kind of device memory access should first ensure the device is not
suspended, mmio included.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_mmio.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_mmio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c index 448b874c7a3c..8d0f07261bfd 100644 --- a/drivers/gpu/drm/xe/xe_mmio.c +++ b/drivers/gpu/drm/xe/xe_mmio.c @@ -483,6 +483,7 @@ int xe_mmio_ioctl(struct drm_device *dev, void *data, */ reg = XE_REG(args->addr); + xe_device_mem_access_get(xe); xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL); if (args->flags & DRM_XE_MMIO_WRITE) { @@ -526,6 +527,7 @@ int xe_mmio_ioctl(struct drm_device *dev, void *data, exit: xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL); + xe_device_mem_access_put(xe); return ret; } |