From: Christopher James Halse Rogers <christopher.halse.rogers@xxxxxxxxxxxxx>
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@xxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_prime.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 44e0c5ed6418..1094325c1877 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -499,6 +499,7 @@ struct radeon_bo {
u32 tiling_flags;
u32 pitch;
int surface_reg;
+ unsigned prime_shared_count;
/* list of all virtual address to which this bo
* is associated to
*/
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index f3609c97496b..7110d403322c 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -77,6 +77,7 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
list_add_tail(&bo->list, &rdev->gem.objects);
mutex_unlock(&rdev->gem.mutex);
+ bo->prime_shared_count = 1;
return &bo->gem_base;
}
@@ -91,6 +92,9 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj)
/* pin buffer into GTT */
ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL);
+ if (likely(ret == 0))
+ bo->prime_shared_count++;
+
radeon_bo_unreserve(bo);
return ret;
}
@@ -105,6 +109,8 @@ void radeon_gem_prime_unpin(struct drm_gem_object *obj)
return;
radeon_bo_unpin(bo);
+ if (bo->prime_shared_count)
+ bo->prime_shared_count--;
radeon_bo_unreserve(bo);
}
--
2.11.0
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