Am 08.07.21 um 19:37 schrieb Daniel Vetter:
From: Christian König ckoenig.leichtzumerken@gmail.com
Drivers also need to to sync to the exclusive fence when a shared one is present.
Signed-off-by: Christian König christian.koenig@amd.com [danvet: Not that hard to compile-test on arm ...] Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch Cc: Rob Clark robdclark@gmail.com Cc: Sean Paul sean@poorly.run Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org
Wondering a bit why you have that in this patch set now.
But any objections that we push this now?
Thanks, Christian.
drivers/gpu/drm/msm/msm_gem.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 141178754231..d9c4f1deeafb 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -812,17 +812,15 @@ int msm_gem_sync_object(struct drm_gem_object *obj, struct dma_fence *fence; int i, ret;
- fobj = dma_resv_shared_list(obj->resv);
- if (!fobj || (fobj->shared_count == 0)) {
fence = dma_resv_excl_fence(obj->resv);/* don't need to wait on our own fences, since ring is fifo */if (fence && (fence->context != fctx->context)) {ret = dma_fence_wait(fence, true);if (ret)return ret;}
fence = dma_resv_excl_fence(obj->resv);
/* don't need to wait on our own fences, since ring is fifo */
if (fence && (fence->context != fctx->context)) {
ret = dma_fence_wait(fence, true);if (ret)return ret;}
fobj = dma_resv_shared_list(obj->resv); if (!exclusive || !fobj) return 0;