From: Daniel Vetter Date: Thu, 9 Jul 2015 21:32:47 +0000 (+0200) Subject: drm/radeon: Don't take dev->struct_mutex in bo_force_delete X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=42192a941e427440e642623c64bda4486c527a54;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/radeon: Don't take dev->struct_mutex in bo_force_delete It really doesn't protect anything which doesn't have other locks already. Also this is run from driver unload code so not much need for locks anyway. Cc: Alex Deucher Cc: "Christian König" Reviewed-by: Thierry Reding Signed-off-by: Daniel Vetter Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 676362769b8d..d3024883b844 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -419,7 +419,6 @@ void radeon_bo_force_delete(struct radeon_device *rdev) } dev_err(rdev->dev, "Userspace still has active objects !\n"); list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) { - mutex_lock(&rdev->ddev->struct_mutex); dev_err(rdev->dev, "%p %p %lu %lu force free\n", &bo->gem_base, bo, (unsigned long)bo->gem_base.size, *((unsigned long *)&bo->gem_base.refcount)); @@ -427,8 +426,7 @@ void radeon_bo_force_delete(struct radeon_device *rdev) list_del_init(&bo->list); mutex_unlock(&bo->rdev->gem.mutex); /* this should unref the ttm bo */ - drm_gem_object_unreference(&bo->gem_base); - mutex_unlock(&rdev->ddev->struct_mutex); + drm_gem_object_unreference_unlocked(&bo->gem_base); } }