Commit 7da1d76f authored by Matthew Auld's avatar Matthew Auld Committed by Rodrigo Vivi
Browse files

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: default avatarMatthew Auld <matthew.auld@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: default avatarMatthew Brost <matthew.brost@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 2d3ab1fa

drivers/gpu/drm/xe/xe_mmio.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

}