openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/tegra: Use unlocked gem unreferencing 

For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with

commit ef4c6270bf
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Oct 15 09:36:25 2015 +0200

    drm/gem: Check locking in drm_gem_object_unreference

Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Daniel Vetter 2015-11-23 10:32:40 +01:00 committed by Thierry Reding
parent 473112e443
commit 115333042c
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/tegra/drm.c
View File

@ -473,7 +473,7 @@ static int tegra_gem_mmap(struct drm_device *drm, void *data,
args->offset = drm_vma_node_offset_addr(&bo->gem.vma_node);
drm_gem_object_unreference(gem);
drm_gem_object_unreference_unlocked(gem);
return 0;
}
@ -683,7 +683,7 @@ static int tegra_gem_set_tiling(struct drm_device *drm, void *data,
bo->tiling.mode = mode;
bo->tiling.value = value;
drm_gem_object_unreference(gem);
drm_gem_object_unreference_unlocked(gem);
return 0;
}
@ -723,7 +723,7 @@ static int tegra_gem_get_tiling(struct drm_device *drm, void *data,
break;
}
drm_gem_object_unreference(gem);
drm_gem_object_unreference_unlocked(gem);
return err;
}
@ -748,7 +748,7 @@ static int tegra_gem_set_flags(struct drm_device *drm, void *data,
if (args->flags & DRM_TEGRA_GEM_BOTTOM_UP)
bo->flags |= TEGRA_BO_BOTTOM_UP;
drm_gem_object_unreference(gem);
drm_gem_object_unreference_unlocked(gem);
return 0;
}
@ -770,7 +770,7 @@ static int tegra_gem_get_flags(struct drm_device *drm, void *data,
if (bo->flags & TEGRA_BO_BOTTOM_UP)
args->flags |= DRM_TEGRA_GEM_BOTTOM_UP;
drm_gem_object_unreference(gem);
drm_gem_object_unreference_unlocked(gem);
return 0;
}