diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 2720ce009664..d48c02a36527 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -242,14 +242,26 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) if (unlikely(!abi16)) return -ENOMEM; client = nv_client(abi16->client); - - if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) - return nouveau_abi16_put(abi16, -EINVAL); - device = nv_device(abi16->device); imem = nouveau_instmem(device); pfb = nouveau_fb(device); + /* hack to allow channel engine type specification on kepler */ + if (device->card_type >= NV_E0) { + if (init->fb_ctxdma_handle != ~0) + init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR; + else + init->fb_ctxdma_handle = init->tt_ctxdma_handle; + + /* allow flips to be executed if this is a graphics channel */ + init->tt_ctxdma_handle = 0; + if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR) + init->tt_ctxdma_handle = 1; + } + + if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) + return nouveau_abi16_put(abi16, -EINVAL); + /* allocate "abi16 channel" data and make up a handle for it */ init->channel = ffsll(~abi16->handles); if (!init->channel--) @@ -264,11 +276,6 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) abi16->handles |= (1 << init->channel); /* create channel object and initialise dma and fence management */ - if (device->card_type >= NV_E0) { - init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR; - init->tt_ctxdma_handle = 0; - } - ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN | init->channel, init->fb_ctxdma_handle, init->tt_ctxdma_handle, &chan->chan); |