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...drm/nouveau/nvkm/subdev/fb/base.c | 26 ++++++++++++++++++-------- > drm/nouveau/nvkm/subdev/ltc/gf100.c | 14 ++++++++++---- > 7 files changed, 51 insertions(+), 19 deletions(-) > > diff --git a/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drm/nouveau/nvkm/subdev/ltc/gf100.c > index 8e7cc62..ceaa104 100644 > --- a/drm/nouveau/nvkm/subdev/ltc/gf100.c > +++ b/drm/nouveau/nvkm/subdev/ltc/gf100.c > @@ -170,8 +174,10 @@ gf100_ltc_init_tag_ram(struct nvkm_fb *pfb, struct nvkm_ltc_priv *priv) > tag_size += tag_align; > tag_size = (tag_size + 0xfff) >> 12...

...e; + if (!impl->ram) + return 0; + ret = nvkm_object_ctor(nv_object(pfb), NULL, impl->ram, NULL, 0, &ram); if (ret) { nv_fatal(pfb, "error detecting memory configuration!!\n"); diff --git a/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drm/nouveau/nvkm/subdev/ltc/gf100.c index 8e7cc62..ceaa104 100644 --- a/drm/nouveau/nvkm/subdev/ltc/gf100.c +++ b/drm/nouveau/nvkm/subdev/ltc/gf100.c @@ -136,7 +136,8 @@ gf100_ltc_dtor(struct nvkm_object *object) struct nvkm_ltc_priv *priv = (void *)object; nvkm_mm_fini(&priv->tags); - nvkm_mm_free(&pfb->vram, &priv->tag...

...e; + if (!impl->ram) + return 0; + ret = nvkm_object_ctor(nv_object(pfb), NULL, impl->ram, NULL, 0, &ram); if (ret) { nv_fatal(pfb, "error detecting memory configuration!!\n"); diff --git a/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drm/nouveau/nvkm/subdev/ltc/gf100.c index 8e7cc62..7ae8e91 100644 --- a/drm/nouveau/nvkm/subdev/ltc/gf100.c +++ b/drm/nouveau/nvkm/subdev/ltc/gf100.c @@ -136,7 +136,8 @@ gf100_ltc_dtor(struct nvkm_object *object) struct nvkm_ltc_priv *priv = (void *)object; nvkm_mm_fini(&priv->tags); - nvkm_mm_free(&pfb->vram, &priv->tag...

A series I have waited too long to submit, and the recent refactoring made me pay the price of my perfectionism, so here are the features that are at least completed Patches 1-3 make the presence of a RAM device optional, and remove GK20A's dummy RAM driver we were using so far. On chips using shared memory, such a device can confuse the driver into moving objects where there is no need to,

Changes since v1: - Add missing else condition in ltc - Remove extra flags that slipped into nouveau_display.c and nv84_fence.c. Original cover letter: Patches 1-3 make the presence of a RAM device optional, and remove GK20A's dummy RAM driver we were using so far. On chips using shared memory, such a device can confuse the driver into moving objects where there is no need to, and can trick