On Tue, Oct 05, 2021 at 01:37:28PM +0200, Christian König wrote:
Simplifying the code a bit. Also drop the RCU read side lock since the object is locked anyway.
Untested since I can't get the driver to compile on !ARM.
Cross-compiler install is pretty easy and you should have that for pushing drm changes to drm-misc :-)
Signed-off-by: Christian König christian.koenig@amd.com
Assuming this compiles, it looks correct.
Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch
drivers/gpu/drm/msm/msm_gem.c | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 40a9863f5951..5bd511f07c07 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -880,7 +880,7 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m, { struct msm_gem_object *msm_obj = to_msm_bo(obj); struct dma_resv *robj = obj->resv;
- struct dma_resv_list *fobj;
- struct dma_resv_iter cursor; struct dma_fence *fence; struct msm_gem_vma *vma; uint64_t off = drm_vma_node_start(&obj->vma_node);
@@ -955,22 +955,13 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m, seq_puts(m, "\n"); }
- rcu_read_lock();
- fobj = dma_resv_shared_list(robj);
- if (fobj) {
unsigned int i, shared_count = fobj->shared_count;for (i = 0; i < shared_count; i++) {fence = rcu_dereference(fobj->shared[i]);
- dma_resv_for_each_fence(&cursor, robj, true, fence) {
if (dma_resv_iter_is_exclusive(&cursor))describe_fence(fence, "Exclusive", m);else describe_fence(fence, "Shared", m);
}}
fence = dma_resv_excl_fence(robj);
if (fence)
describe_fence(fence, "Exclusive", m);rcu_read_unlock();
msm_gem_unlock(obj);
}
-- 2.25.1