diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_object.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_object.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 710a7053dc9..4f00c87ed86 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -36,6 +36,7 @@ #include "nouveau_drm.h" #include "nouveau_ramht.h" #include "nouveau_vm.h" +#include "nv50_display.h" struct nouveau_gpuobj_method { struct list_head head; @@ -782,7 +783,7 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan, struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_gpuobj *vram = NULL, *tt = NULL; - int ret; + int ret, i; NV_DEBUG(dev, "ch%d vram=0x%08x tt=0x%08x\n", chan->id, vram_h, tt_h); @@ -847,6 +848,25 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan, nouveau_gpuobj_ref(NULL, &ramht); if (ret) return ret; + + /* dma objects for display sync channel semaphore blocks */ + for (i = 0; i < 2; i++) { + struct nouveau_gpuobj *sem = NULL; + struct nv50_display_crtc *dispc = + &nv50_display(dev)->crtc[i]; + u64 offset = dispc->sem.bo->bo.mem.start << PAGE_SHIFT; + + ret = nouveau_gpuobj_dma_new(chan, 0x3d, offset, 0xfff, + NV_MEM_ACCESS_RW, + NV_MEM_TARGET_VRAM, &sem); + if (ret) + return ret; + + ret = nouveau_ramht_insert(chan, NvEvoSema0 + i, sem); + nouveau_gpuobj_ref(NULL, &sem); + if (ret) + return ret; + } } /* VRAM ctxdma */ |