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authorRob Clark <robdclark@chromium.org>2020-10-23 19:51:18 +0300
committerRob Clark <robdclark@chromium.org>2020-11-05 03:00:56 +0300
commitfb1a1fcbacefd839503e94a66a467809ade27b2c (patch)
tree24b94b5098725320f98fc36bb76b997cd6e6dfc3 /drivers/gpu/drm/msm/msm_gem.c
parent964d2f97e74b3951973bc22d8a5547f6c0d505b4 (diff)
downloadlinux-fb1a1fcbacefd839503e94a66a467809ade27b2c.tar.xz
drm/msm: Remove obj->gpu
It cannot be atomically updated with obj->active_count, and the only purpose is a useless WARN_ON() (which becomes a buggy WARN_ON() once retire_submits() is not serialized with incoming submits via struct_mutex) Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 084131db89d2..dd3c21bb8740 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -774,7 +774,6 @@ void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu)
if (!atomic_fetch_inc(&msm_obj->active_count)) {
mutex_lock(&priv->mm_lock);
- msm_obj->gpu = gpu;
list_del_init(&msm_obj->mm_list);
list_add_tail(&msm_obj->mm_list, &gpu->active_list);
mutex_unlock(&priv->mm_lock);
@@ -790,7 +789,6 @@ void msm_gem_active_put(struct drm_gem_object *obj)
if (!atomic_dec_return(&msm_obj->active_count)) {
mutex_lock(&priv->mm_lock);
- msm_obj->gpu = NULL;
list_del_init(&msm_obj->mm_list);
list_add_tail(&msm_obj->mm_list, &priv->inactive_list);
mutex_unlock(&priv->mm_lock);