diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2021-03-04 12:53:01 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2021-08-18 12:00:15 +0300 |
| commit | 59f216cf04d973b4316761cbf3e7cb9556715b7a (patch) | |
| tree | a4a53f94e9116256806bf83dfc06f3e10129f142 /drivers/gpu/drm/nouveau/nvkm/engine/dma | |
| parent | 148a8653789c01f159764ffcc3f370008966b42f (diff) | |
| download | linux-59f216cf04d973b4316761cbf3e7cb9556715b7a.tar.xz | |
drm/nouveau: rip out nvkm_client.super
No longer required now that userspace can't touch anything that might
need it, and should fix DRM MM operations racing with each other, and
the random hangs/crashes that come with that.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/dma')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c index d20cc0681a88..797131ed7d67 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c @@ -26,7 +26,6 @@ #include <core/client.h> #include <core/gpuobj.h> #include <subdev/fb.h> -#include <subdev/instmem.h> #include <nvif/cl0002.h> #include <nvif/unpack.h> @@ -72,11 +71,7 @@ nvkm_dmaobj_ctor(const struct nvkm_dmaobj_func *func, struct nvkm_dma *dma, union { struct nv_dma_v0 v0; } *args = *pdata; - struct nvkm_device *device = dma->engine.subdev.device; - struct nvkm_client *client = oclass->client; struct nvkm_object *parent = oclass->parent; - struct nvkm_instmem *instmem = device->imem; - struct nvkm_fb *fb = device->fb; void *data = *pdata; u32 size = *psize; int ret = -ENOSYS; @@ -109,23 +104,13 @@ nvkm_dmaobj_ctor(const struct nvkm_dmaobj_func *func, struct nvkm_dma *dma, dmaobj->target = NV_MEM_TARGET_VM; break; case NV_DMA_V0_TARGET_VRAM: - if (!client->super) { - if (dmaobj->limit >= fb->ram->size - instmem->reserved) - return -EACCES; - if (device->card_type >= NV_50) - return -EACCES; - } dmaobj->target = NV_MEM_TARGET_VRAM; break; case NV_DMA_V0_TARGET_PCI: - if (!client->super) - return -EACCES; dmaobj->target = NV_MEM_TARGET_PCI; break; case NV_DMA_V0_TARGET_PCI_US: case NV_DMA_V0_TARGET_AGP: - if (!client->super) - return -EACCES; dmaobj->target = NV_MEM_TARGET_PCI_NOSNOOP; break; default: |