From: Chris Wilson Date: Thu, 12 Dec 2019 15:42:24 +0000 (+0000) Subject: drm/i915: Set fence_work.ops before dma_fence_init X-Git-Tag: v5.5-rc3~22^2^2~6 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=242bff7fc515d8e5275e5b8cd8c9c85a8d037dbf;p=linux-block.git drm/i915: Set fence_work.ops before dma_fence_init Since dma_fence_init may call ops (because of a meaningless trace_dma_fence), we need to set the worker ops prior to that call. Reported-by: Vince Weaver Fixes: 8e458fe2ee05 ("drm/i915: Generalise the clflush dma-worker") Signed-off-by: Chris Wilson Cc: Matthew Auld Cc: Vince Weaver Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20191212154224.1631531-1-chris@chris-wilson.co.uk (cherry picked from commit 1bc9865d8df3e1c6857a27c4b2b8a9ce8f027349) Signed-off-by: Joonas Lahtinen --- diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c b/drivers/gpu/drm/i915/i915_sw_fence_work.c index 07552cd544f2..8538ee7a521d 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence_work.c +++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c @@ -78,12 +78,11 @@ static const struct dma_fence_ops fence_ops = { void dma_fence_work_init(struct dma_fence_work *f, const struct dma_fence_work_ops *ops) { + f->ops = ops; spin_lock_init(&f->lock); dma_fence_init(&f->dma, &fence_ops, &f->lock, 0, 0); i915_sw_fence_init(&f->chain, fence_notify); INIT_WORK(&f->work, fence_work); - - f->ops = ops; } int dma_fence_work_chain(struct dma_fence_work *f, struct dma_fence *signal)