diff options
| author | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2024-01-22 15:09:43 +0300 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2024-01-25 12:16:56 +0300 |
| commit | f1cc6aceecd04964304786530eaa4ad87d90b972 (patch) | |
| tree | abbfe177f3f83772c837cec402338fdf943938b1 /drivers/accel/ivpu/ivpu_drv.h | |
| parent | d1b163aa0749706379055e40a52cf7a851abf9dc (diff) | |
| download | linux-f1cc6aceecd04964304786530eaa4ad87d90b972.tar.xz | |
accel/ivpu: Fix dev open/close races with unbind
- Add context_list_lock to synchronize user context addition/removal
- Use drm_dev_enter() to prevent unbinding the device during ivpu_open()
and vpu address allocation
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-2-jacek.lawrynowicz@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_drv.h')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index 7a6bc1918780..069ace4adb2d 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -115,6 +115,7 @@ struct ivpu_device { struct ivpu_mmu_context gctx; struct ivpu_mmu_context rctx; + struct mutex context_list_lock; /* Protects user context addition/removal */ struct xarray context_xa; struct xa_limit context_xa_limit; @@ -147,6 +148,7 @@ struct ivpu_file_priv { struct ivpu_cmdq *cmdq[IVPU_NUM_ENGINES]; struct ivpu_mmu_context ctx; bool has_mmu_faults; + bool bound; }; extern int ivpu_dbg_mask; @@ -162,7 +164,6 @@ extern bool ivpu_disable_mmu_cont_pages; extern int ivpu_test_mode; struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv); -struct ivpu_file_priv *ivpu_file_priv_get_by_ctx_id(struct ivpu_device *vdev, unsigned long id); void ivpu_file_priv_put(struct ivpu_file_priv **link); int ivpu_boot(struct ivpu_device *vdev); |