From 43ce028ff2b1df68c690f0af14a109288d3e9e86 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 19 Oct 2010 18:01:41 +1000 Subject: [PATCH] drm/nv50: rework evo init to match nvidia more closely Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv50_evo.c | 73 +++++++++++------------------- 1 file changed, 26 insertions(+), 47 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c index dbad233e750f..d270f17a5310 100644 --- a/drivers/gpu/drm/nouveau/nv50_evo.c +++ b/drivers/gpu/drm/nouveau/nv50_evo.c @@ -149,60 +149,36 @@ nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pevo) static int nv50_evo_channel_init(struct nouveau_channel *evo) { - struct drm_nouveau_private *dev_priv = evo->dev->dev_private; - struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer; struct drm_device *dev = evo->dev; int id = evo->id, ret, i; - u64 start; + u64 pushbuf = evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT; u32 tmp; - /* taken from nv bug #12637, attempts to un-wedge the hw if it's - * stuck in some unspecified state - */ - start = ptimer->read(dev); - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x2b00); - while ((tmp = nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id))) & 0x1e0000) { - if ((tmp & 0x9f0000) == 0x20000) - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), tmp | 0x800000); - - if ((tmp & 0x3f0000) == 0x30000) - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), tmp | 0x200000); - - if (ptimer->read(dev) - start > 1000000000ULL) { - NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n"); - NV_ERROR(dev, "0x610200 = 0x%08x\n", tmp); - return -EBUSY; - } - } + tmp = nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id)); + if ((tmp & 0x009f0000) == 0x00020000) + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), tmp | 0x00800000); - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x1000b03); - if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(id), - 0x40000000, 0x40000000)) { - NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n"); - NV_ERROR(dev, "0x610200 = 0x%08x\n", - nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id))); - return -EBUSY; - } + tmp = nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id)); + if ((tmp & 0x003f0000) == 0x00030000) + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), tmp | 0x00600000); /* initialise fifo */ - nv_wr32(dev, NV50_PDISPLAY_EVO_DMA_CB(id), - ((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) | - NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM | - NV50_PDISPLAY_EVO_DMA_CB_VALID); + nv_wr32(dev, NV50_PDISPLAY_EVO_DMA_CB(id), pushbuf >> 8 | + NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM | + NV50_PDISPLAY_EVO_DMA_CB_VALID); nv_wr32(dev, NV50_PDISPLAY_EVO_UNK2(id), 0x00010000); nv_wr32(dev, NV50_PDISPLAY_EVO_HASH_TAG(id), id); + nv_mask(dev, NV50_PDISPLAY_EVO_CTRL(id), NV50_PDISPLAY_EVO_CTRL_DMA, + NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED); + + nv_wr32(dev, NV50_PDISPLAY_USER_PUT(id), 0x00000000); + nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x01000003 | + NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED); if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x80000000, 0x00000000)) { - NV_ERROR(dev, "timeout: (0x610200 & 0x80000000) == 0\n"); - NV_ERROR(dev, "0x610200 = 0x%08x\n", + NV_ERROR(dev, "EvoCh %d init timeout: 0x%08x\n", id, nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id))); return -EBUSY; } - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), - (nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id)) & ~0x00000003) | - NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED); - nv_wr32(dev, NV50_PDISPLAY_USER_PUT(id), 0); - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x01000003 | - NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED); /* enable error reporting on the channel */ nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << id); @@ -226,12 +202,15 @@ static void nv50_evo_channel_fini(struct nouveau_channel *evo) { struct drm_device *dev = evo->dev; - - nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(evo->id), 0); - if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(evo->id), 0x1e0000, 0)) { - NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n"); - NV_ERROR(dev, "0x610200 = 0x%08x\n", - nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(evo->id))); + int id = evo->id; + + nv_mask(dev, 0x610028, 0x00010001 << id, 0x00000000); + nv_mask(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x00001010, 0x00001000); + nv_wr32(dev, NV50_PDISPLAY_INTR_0, (1 << id)); + nv_mask(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x00000003, 0x00000000); + if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(id), 0x001e0000, 0x00000000)) { + NV_ERROR(dev, "EvoCh %d takedown timeout: 0x%08x\n", id, + nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(id))); } } -- 2.20.1