diff options
| author |   Ben Skeggs <bskeggs@redhat.com> | 2012-05-01 16:48:50 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-05-24 16:56:10 +1000 |
| commit | a226c32a386bca0426e500954b79e3fd46afc0d9 (patch) | |
| tree | c7b72f1f93a955f637a78bbf19caac01b6552cbf /drivers | |
| parent | drm/nv50: remove manual context unload on context destruction (diff) | |
| download | linux-dev-a226c32a386bca0426e500954b79e3fd46afc0d9.tar.xz linux-dev-a226c32a386bca0426e500954b79e3fd46afc0d9.zip | |
drm/nv50/graph: remove ability to do interrupt-driven context switching
We never turn this on, no point maintaining the code for it..
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_graph.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index 69be4d190778..46b2c95de4d0 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -40,47 +40,6 @@ struct nv50_graph_engine { }; static int -nv50_graph_do_load_context(struct drm_device *dev, uint32_t inst) -{ - uint32_t fifo = nv_rd32(dev, 0x400500); - - nv_wr32(dev, 0x400500, fifo & ~1); - nv_wr32(dev, 0x400784, inst); - nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x40); - nv_wr32(dev, 0x400320, nv_rd32(dev, 0x400320) | 0x11); - nv_wr32(dev, 0x400040, 0xffffffff); - (void)nv_rd32(dev, 0x400040); - nv_wr32(dev, 0x400040, 0x00000000); - nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 1); - - if (nouveau_wait_for_idle(dev)) - nv_wr32(dev, 0x40032c, inst | (1<<31)); - nv_wr32(dev, 0x400500, fifo); - - return 0; -} - -static int -nv50_graph_unload_context(struct drm_device *dev) -{ - uint32_t inst; - - inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR); - if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED)) - return 0; - inst &= NV50_PGRAPH_CTXCTL_CUR_INSTANCE; - - nouveau_wait_for_idle(dev); - nv_wr32(dev, 0x400784, inst); - nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x20); - nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 0x01); - nouveau_wait_for_idle(dev); - - nv_wr32(dev, NV50_PGRAPH_CTXCTL_CUR, inst); - return 0; -} - -static int nv50_graph_init(struct drm_device *dev, int engine) { struct drm_nouveau_private *dev_priv = dev->dev_private; @@ -255,21 +214,6 @@ nv50_graph_object_new(struct nouveau_channel *chan, int engine, } static void -nv50_graph_context_switch(struct drm_device *dev) -{ - uint32_t inst; - - nv50_graph_unload_context(dev); - - inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_NEXT); - inst &= NV50_PGRAPH_CTXCTL_NEXT_INSTANCE; - nv50_graph_do_load_context(dev, inst); - - nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev, - NV40_PGRAPH_INTR_EN) | NV_PGRAPH_INTR_CONTEXT_SWITCH); -} - -static void nv50_graph_tlb_flush(struct drm_device *dev, int engine) { nv50_vm_flush_engine(dev, 0); @@ -805,15 +749,6 @@ nv50_graph_isr(struct drm_device *dev) show &= ~0x00000010; } - if (stat & 0x00001000) { - nv_wr32(dev, 0x400500, 0x00000000); - nv_wr32(dev, 0x400100, 0x00001000); - nv_mask(dev, 0x40013c, 0x00001000, 0x00000000); - nv50_graph_context_switch(dev); - stat &= ~0x00001000; - show &= ~0x00001000; - } - show = (show && nouveau_ratelimit()) ? show : 0; if (show & 0x00100000) { |