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path: root/drivers/gpu/drm/i915/gt/intel_gsc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gsc.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gsc.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gsc.c b/drivers/gpu/drm/i915/gt/intel_gsc.c
index 7af6db3194dd..976fdf27e790 100644
--- a/drivers/gpu/drm/i915/gt/intel_gsc.c
+++ b/drivers/gpu/drm/i915/gt/intel_gsc.c
@@ -7,6 +7,7 @@
#include <linux/mei_aux.h>
#include "i915_drv.h"
#include "i915_reg.h"
+#include "gem/i915_gem_lmem.h"
#include "gem/i915_gem_region.h"
#include "gt/intel_gsc.h"
#include "gt/intel_gt.h"
@@ -142,8 +143,14 @@ static void gsc_destroy_one(struct drm_i915_private *i915,
struct intel_gsc_intf *intf = &gsc->intf[intf_id];
if (intf->adev) {
- auxiliary_device_delete(&intf->adev->aux_dev);
- auxiliary_device_uninit(&intf->adev->aux_dev);
+ struct auxiliary_device *aux_dev = &intf->adev->aux_dev;
+
+ if (intf_id == 0)
+ intel_huc_unregister_gsc_notifier(&gsc_to_gt(gsc)->uc.huc,
+ aux_dev->dev.bus);
+
+ auxiliary_device_delete(aux_dev);
+ auxiliary_device_uninit(aux_dev);
intf->adev = NULL;
}
@@ -242,14 +249,24 @@ add_device:
goto fail;
}
+ intf->adev = adev; /* needed by the notifier */
+
+ if (intf_id == 0)
+ intel_huc_register_gsc_notifier(&gsc_to_gt(gsc)->uc.huc,
+ aux_dev->dev.bus);
+
ret = auxiliary_device_add(aux_dev);
if (ret < 0) {
drm_err(&i915->drm, "gsc aux add failed %d\n", ret);
+ if (intf_id == 0)
+ intel_huc_unregister_gsc_notifier(&gsc_to_gt(gsc)->uc.huc,
+ aux_dev->dev.bus);
+ intf->adev = NULL;
+
/* adev will be freed with the put_device() and .release sequence */
auxiliary_device_uninit(aux_dev);
goto fail;
}
- intf->adev = adev;
return;
fail: