From: Francisco Jerez Date: Sat, 19 Nov 2011 10:57:52 +0000 (+0100) Subject: drm/nouveau: Fix pushbufs over the 4GB mark. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4e03b4af6dd3cff445fc0455805b43b101647bfc;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git drm/nouveau: Fix pushbufs over the 4GB mark. Signed-off-by: Francisco Jerez Tested-by: Ben Skeggs Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index bb6ec9ef8676..a018defb7621 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -187,6 +187,8 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, nouveau_dma_pre_init(chan); chan->user_put = 0x40; chan->user_get = 0x44; + if (dev_priv->card_type >= NV_50) + chan->user_get_hi = 0x60; /* disable the fifo caches */ pfifo->reassign(dev, false); diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index f52c2db3529e..fa2ec491f6a7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -44,7 +44,7 @@ nouveau_debugfs_channel_info(struct seq_file *m, void *data) seq_printf(m, "channel id : %d\n", chan->id); seq_printf(m, "cpu fifo state:\n"); - seq_printf(m, " base: 0x%08x\n", chan->pushbuf_base); + seq_printf(m, " base: 0x%10llx\n", chan->pushbuf_base); seq_printf(m, " max: 0x%08x\n", chan->dma.max << 2); seq_printf(m, " cur: 0x%08x\n", chan->dma.cur << 2); seq_printf(m, " put: 0x%08x\n", chan->dma.put << 2); diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 00bc6eaad558..4c2e4e5925fe 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -134,11 +134,13 @@ OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords) * -EBUSY if timeout exceeded */ static inline int -READ_GET(struct nouveau_channel *chan, uint32_t *prev_get, uint32_t *timeout) +READ_GET(struct nouveau_channel *chan, uint64_t *prev_get, int *timeout) { - uint32_t val; + uint64_t val; val = nvchan_rd32(chan, chan->user_get); + if (chan->user_get_hi) + val |= (uint64_t)nvchan_rd32(chan, chan->user_get_hi) << 32; /* reset counter as long as GET is still advancing, this is * to avoid misdetecting a GPU lockup if the GPU happens to @@ -218,8 +220,8 @@ nv50_dma_push_wait(struct nouveau_channel *chan, int count) static int nv50_dma_wait(struct nouveau_channel *chan, int slots, int count) { - uint32_t cnt = 0, prev_get = 0; - int ret; + uint64_t prev_get = 0; + int ret, cnt = 0; ret = nv50_dma_push_wait(chan, slots + 1); if (unlikely(ret)) @@ -261,8 +263,8 @@ nv50_dma_wait(struct nouveau_channel *chan, int slots, int count) int nouveau_dma_wait(struct nouveau_channel *chan, int slots, int size) { - uint32_t prev_get = 0, cnt = 0; - int get; + uint64_t prev_get = 0; + int cnt = 0, get; if (chan->dma.ib_max) return nv50_dma_wait(chan, slots, size); diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 0af525820347..38134a9c7578 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -232,6 +232,7 @@ struct nouveau_channel { /* mapping of the regs controlling the fifo */ void __iomem *user; uint32_t user_get; + uint32_t user_get_hi; uint32_t user_put; /* Fencing */ @@ -249,7 +250,7 @@ struct nouveau_channel { struct nouveau_gpuobj *pushbuf; struct nouveau_bo *pushbuf_bo; struct nouveau_vma pushbuf_vma; - uint32_t pushbuf_base; + uint64_t pushbuf_base; /* Notifier memory */ struct nouveau_bo *notifier_bo; diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c index c34a074f7ea1..3bc2a565c20b 100644 --- a/drivers/gpu/drm/nouveau/nv50_fifo.c +++ b/drivers/gpu/drm/nouveau/nv50_fifo.c @@ -230,6 +230,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan) struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_gpuobj *ramfc = NULL; + uint64_t ib_offset = chan->pushbuf_base + chan->dma.ib_base * 4; unsigned long flags; int ret; @@ -280,8 +281,9 @@ nv50_fifo_create_context(struct nouveau_channel *chan) nv_wo32(ramfc, 0x7c, 0x30000001); nv_wo32(ramfc, 0x78, 0x00000000); nv_wo32(ramfc, 0x3c, 0x403f6078); - nv_wo32(ramfc, 0x50, chan->pushbuf_base + chan->dma.ib_base * 4); - nv_wo32(ramfc, 0x54, drm_order(chan->dma.ib_max + 1) << 16); + nv_wo32(ramfc, 0x50, lower_32_bits(ib_offset)); + nv_wo32(ramfc, 0x54, upper_32_bits(ib_offset) | + drm_order(chan->dma.ib_max + 1) << 16); if (dev_priv->chipset != 0x50) { nv_wo32(chan->ramin, 0, chan->id);