From: Christian König Date: Mon, 13 Sep 2021 12:08:13 +0000 (+0200) Subject: drm/nouveau: use the new interator in nv50_wndw_prepare_fb X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bdf6aa22204e1250e217e79e77db38753a6731de;p=linux.git drm/nouveau: use the new interator in nv50_wndw_prepare_fb Makes the handling a bit more complex, but avoids the use of dma_resv_get_excl_unlocked(). Signed-off-by: Christian König Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20211005113742.1101-27-christian.koenig@amd.com --- diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c index 8d048bacd6f02..30712a681e2ae 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c @@ -539,6 +539,8 @@ nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) struct nouveau_bo *nvbo; struct nv50_head_atom *asyh; struct nv50_wndw_ctxdma *ctxdma; + struct dma_resv_iter cursor; + struct dma_fence *fence; int ret; NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb); @@ -561,7 +563,13 @@ nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) asyw->image.handle[0] = ctxdma->object.handle; } - asyw->state.fence = dma_resv_get_excl_unlocked(nvbo->bo.base.resv); + dma_resv_iter_begin(&cursor, nvbo->bo.base.resv, false); + dma_resv_for_each_fence_unlocked(&cursor, fence) { + /* TODO: We only use the first writer here */ + asyw->state.fence = dma_fence_get(fence); + break; + } + dma_resv_iter_end(&cursor); asyw->image.offset[0] = nvbo->offset; if (wndw->func->prepare) {