From: Christian König Date: Wed, 16 Jun 2021 07:19:37 +0000 (+0200) Subject: drm/msm: use new iterator in msm_gem_describe X-Git-Tag: v6.1-rc5~617^2^2~1106 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8315e2975e8e15725e18bea0d81e3233b48aed6d;p=platform%2Fkernel%2Flinux-starfive.git drm/msm: use new iterator in msm_gem_describe 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. Signed-off-by: Christian König Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20211005113742.1101-15-christian.koenig@amd.com --- diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 40a9863..5bd511f 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); }