From c41b494c47f8e514e69cb8c2f2ace41d5fa17c94 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 23 Nov 2012 12:40:30 +1000 Subject: nouveau: expose channel engine selection on kepler chipsets v2: Take Maarten Lankhorst's suggestion of nesting the struct to prevent sizeof() issues due to padding on older revisions. Signed-off-by: Ben Skeggs Signed-off-by: Maarten Lankhorst --- nouveau/abi16.c | 28 ++++++++++++++++++++++++++++ nouveau/nouveau.c | 3 +++ nouveau/nouveau.h | 16 ++++++++++++++++ nouveau/private.h | 1 + 4 files changed, 48 insertions(+) diff --git a/nouveau/abi16.c b/nouveau/abi16.c index a67fbc12..f34175e0 100644 --- a/nouveau/abi16.c +++ b/nouveau/abi16.c @@ -24,9 +24,11 @@ #include #include +#include #include "private.h" + int abi16_chan_nv04(struct nouveau_object *obj) { @@ -69,6 +71,32 @@ abi16_chan_nvc0(struct nouveau_object *obj) return 0; } +int +abi16_chan_nve0(struct nouveau_object *obj) +{ + struct nouveau_device *dev = (struct nouveau_device *)obj->parent; + struct drm_nouveau_channel_alloc req = {}; + struct nve0_fifo *nve0 = obj->data; + int ret; + + if (obj->length > offsetof(struct nve0_fifo, engine)) { + req.fb_ctxdma_handle = 0xffffffff; + req.tt_ctxdma_handle = nve0->engine; + } + + ret = drmCommandWriteRead(dev->fd, DRM_NOUVEAU_CHANNEL_ALLOC, + &req, sizeof(req)); + if (ret) + return ret; + + nve0->base.channel = req.channel; + nve0->base.pushbuf = req.pushbuf_domains; + nve0->notify = req.notifier_handle; + nve0->base.object->handle = req.channel; + nve0->base.object->length = sizeof(*nve0); + return 0; +} + int abi16_engobj(struct nouveau_object *obj) { diff --git a/nouveau/nouveau.c b/nouveau/nouveau.c index 940d9339..9b32e319 100644 --- a/nouveau/nouveau.c +++ b/nouveau/nouveau.c @@ -247,7 +247,10 @@ nouveau_object_new(struct nouveau_object *parent, uint64_t handle, if (dev->chipset < 0xc0) ret = abi16_chan_nv04(obj); else + if (dev->chipset < 0xe0) ret = abi16_chan_nvc0(obj); + else + ret = abi16_chan_nve0(obj); } break; default: diff --git a/nouveau/nouveau.h b/nouveau/nouveau.h index c42eea7a..a55e2b02 100644 --- a/nouveau/nouveau.h +++ b/nouveau/nouveau.h @@ -41,6 +41,22 @@ struct nvc0_fifo { uint32_t notify; }; +#define NVE0_FIFO_ENGINE_GR 0x00000001 +#define NVE0_FIFO_ENGINE_VP 0x00000002 +#define NVE0_FIFO_ENGINE_PPP 0x00000004 +#define NVE0_FIFO_ENGINE_BSP 0x00000008 +#define NVE0_FIFO_ENGINE_CE0 0x00000010 +#define NVE0_FIFO_ENGINE_CE1 0x00000020 +#define NVE0_FIFO_ENGINE_ENC 0x00000040 + +struct nve0_fifo { + struct { + struct nouveau_fifo base; + uint32_t notify; + }; + uint32_t engine; +}; + struct nv04_notify { struct nouveau_object *object; uint32_t offset; diff --git a/nouveau/private.h b/nouveau/private.h index b409cc8d..8a5cb261 100644 --- a/nouveau/private.h +++ b/nouveau/private.h @@ -113,6 +113,7 @@ nouveau_device_open_existing(struct nouveau_device **, int, int, drm_context_t); /* abi16.c */ int abi16_chan_nv04(struct nouveau_object *); int abi16_chan_nvc0(struct nouveau_object *); +int abi16_chan_nve0(struct nouveau_object *); int abi16_engobj(struct nouveau_object *); int abi16_ntfy(struct nouveau_object *); void abi16_bo_info(struct nouveau_bo *, struct drm_nouveau_gem_info *); -- cgit v1.2.3