From: Ben Skeggs Date: Tue, 13 Nov 2007 17:05:48 +0000 (+1100) Subject: nouveau: store user control reg offsets in channel struct X-Git-Tag: libdrm-2.3.1~180^2~101^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7246a33dd104903bc9227628270712ea9e6168d8;p=platform%2Fupstream%2Flibdrm.git nouveau: store user control reg offsets in channel struct --- diff --git a/linux-core/nouveau_fence.c b/linux-core/nouveau_fence.c index b3e81a8..4e624a7 100644 --- a/linux-core/nouveau_fence.c +++ b/linux-core/nouveau_fence.c @@ -79,6 +79,7 @@ nouveau_fence_perform_flush(struct drm_device *dev, uint32_t class) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct drm_fence_class_manager *fc = &dev->fm.fence_class[class]; + struct nouveau_channel *chan = dev_priv->fifos[class]; uint32_t pending_types = 0; DRM_DEBUG("class=%d\n", class); @@ -89,7 +90,7 @@ nouveau_fence_perform_flush(struct drm_device *dev, uint32_t class) fc->pending_flush); if (pending_types) { - uint32_t sequence = NV_READ(NV03_FIFO_REGS(class) + 0x48); + uint32_t sequence = NV_READ(chan->ref_cnt); DRM_DEBUG("got 0x%08x\n", sequence); drm_fence_handler(dev, class, sequence, pending_types, 0); diff --git a/shared-core/nouveau_dma.c b/shared-core/nouveau_dma.c index b406c22..dff786d 100644 --- a/shared-core/nouveau_dma.c +++ b/shared-core/nouveau_dma.c @@ -133,10 +133,10 @@ nouveau_dma_channel_takedown(struct drm_device *dev) #define RING_SKIPS 8 -#define READ_GET() ((NV_READ(NV03_FIFO_REGS_DMAGET(dchan->chan->id)) - \ - dchan->chan->pushbuf_base) >> 2) +#define READ_GET() ((NV_READ(dchan->chan->get) - \ + dchan->chan->pushbuf_base) >> 2) #define WRITE_PUT(val) do { \ - NV_WRITE(NV03_FIFO_REGS_DMAPUT(dchan->chan->id), \ + NV_WRITE(dchan->chan->put, \ ((val) << 2) + dchan->chan->pushbuf_base); \ } while(0) diff --git a/shared-core/nouveau_dma.h b/shared-core/nouveau_dma.h index f8df54e..ce3c58c 100644 --- a/shared-core/nouveau_dma.h +++ b/shared-core/nouveau_dma.h @@ -89,8 +89,7 @@ typedef enum { if (dchan->cur != dchan->put) { \ DRM_MEMORYBARRIER(); \ dchan->put = dchan->cur; \ - NV_WRITE(NV03_FIFO_REGS_DMAPUT(dchan->chan->id), \ - (dchan->put<<2)); \ + NV_WRITE(dchan->chan->put, dchan->put << 2); \ } \ } while(0) diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h index 07bd88e..85a0d0b 100644 --- a/shared-core/nouveau_drv.h +++ b/shared-core/nouveau_drv.h @@ -114,6 +114,12 @@ struct nouveau_channel struct mem_block *pushbuf_mem; uint32_t pushbuf_base; + /* FIFO user control regs */ + uint32_t user, user_size; + uint32_t put; + uint32_t get; + uint32_t ref_cnt; + /* Notifier memory */ struct mem_block *notifier_block; struct mem_block *notifier_heap; @@ -225,6 +231,7 @@ struct nouveau_engine { struct nouveau_fifo_engine fifo; }; +#define NOUVEAU_MAX_CHANNEL_NR 128 struct drm_nouveau_private { enum { NOUVEAU_CARD_INIT_DOWN, @@ -245,7 +252,7 @@ struct drm_nouveau_private { drm_local_map_t *ramin; /* NV40 onwards */ int fifo_alloc_count; - struct nouveau_channel *fifos[NV_MAX_FIFO_NUMBER]; + struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR]; struct nouveau_engine Engine; struct nouveau_drm_channel channel; diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index 7c24ed2..45b8211 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -294,6 +294,21 @@ nouveau_fifo_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, DRM_INFO("Allocating FIFO number %d\n", channel); + /* Locate channel's user control regs */ + if (dev_priv->card_type < NV_50) { + chan->user = NV03_USER(channel); + chan->user_size = NV03_USER_SIZE; + chan->put = NV03_USER_DMA_PUT(channel); + chan->get = NV03_USER_DMA_GET(channel); + chan->ref_cnt = NV03_USER_REF_CNT(channel); + } else { + chan->user = NV50_USER(channel); + chan->user_size = NV50_USER_SIZE; + chan->put = NV50_USER_DMA_PUT(channel); + chan->get = NV50_USER_DMA_GET(channel); + chan->ref_cnt = NV50_USER_REF_CNT(channel); + } + /* Allocate space for per-channel fixed notifier memory */ ret = nouveau_notifier_init_channel(chan); if (ret) { @@ -337,14 +352,11 @@ nouveau_fifo_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret, return ret; } - /* setup channel's default get/put values */ - if (dev_priv->card_type < NV_50) { - NV_WRITE(NV03_FIFO_REGS_DMAPUT(channel), chan->pushbuf_base); - NV_WRITE(NV03_FIFO_REGS_DMAGET(channel), chan->pushbuf_base); - } else { - NV_WRITE(NV50_FIFO_REGS_DMAPUT(channel), chan->pushbuf_base); - NV_WRITE(NV50_FIFO_REGS_DMAGET(channel), chan->pushbuf_base); - } + /* setup channel's default get/put values + * XXX: quite possibly extremely pointless.. + */ + NV_WRITE(chan->get, chan->pushbuf_base); + NV_WRITE(chan->put, chan->pushbuf_base); /* If this is the first channel, setup PFIFO ourselves. For any * other case, the GPU will handle this when it switches contexts. @@ -393,14 +405,12 @@ void nouveau_fifo_free(struct nouveau_channel *chan) NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000000); /* stop the fifo, otherwise it could be running and - * it will crash when removing gpu objects */ - if (dev_priv->card_type < NV_50) { - NV_WRITE(NV03_FIFO_REGS_DMAPUT(chan->id), chan->pushbuf_base); - NV_WRITE(NV03_FIFO_REGS_DMAGET(chan->id), chan->pushbuf_base); - } else { - NV_WRITE(NV50_FIFO_REGS_DMAPUT(chan->id), chan->pushbuf_base); - NV_WRITE(NV50_FIFO_REGS_DMAGET(chan->id), chan->pushbuf_base); - } + * it will crash when removing gpu objects + *XXX: from real-world evidence, absolutely useless.. + */ + NV_WRITE(chan->get, chan->pushbuf_base); + NV_WRITE(chan->put, chan->pushbuf_base); + // FIXME XXX needs more code engine->fifo.destroy_context(chan); @@ -495,14 +505,8 @@ static int nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data, /* make the fifo available to user space */ /* first, the fifo control regs */ - init->ctrl = dev_priv->mmio->offset; - if (dev_priv->card_type < NV_50) { - init->ctrl += NV03_FIFO_REGS(init->channel); - init->ctrl_size = NV03_FIFO_REGS_SIZE; - } else { - init->ctrl += NV50_FIFO_REGS(init->channel); - init->ctrl_size = NV50_FIFO_REGS_SIZE; - } + init->ctrl = dev_priv->mmio->offset + chan->user; + init->ctrl_size = chan->user_size; res = drm_addmap(dev, init->ctrl, init->ctrl_size, _DRM_REGISTERS, 0, &chan->regs); if (res != 0) diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h index e097e01..bc71e5f 100644 --- a/shared-core/nouveau_reg.h +++ b/shared-core/nouveau_reg.h @@ -45,16 +45,40 @@ #define NV_CLASS_NULL 0x00000030 #define NV_CLASS_DMA_IN_MEMORY 0x0000003D +#define NV03_USER(i) (0x00800000+(i*NV03_USER_SIZE)) +#define NV03_USER__SIZE 16 +#define NV10_USER__SIZE 32 +#define NV03_USER_SIZE 0x00010000 +#define NV03_USER_DMA_PUT(i) (0x00800040+(i*NV03_USER_SIZE)) +#define NV03_USER_DMA_PUT__SIZE 16 +#define NV10_USER_DMA_PUT__SIZE 32 +#define NV03_USER_DMA_GET(i) (0x00800044+(i*NV03_USER_SIZE)) +#define NV03_USER_DMA_GET__SIZE 16 +#define NV10_USER_DMA_GET__SIZE 32 +#define NV03_USER_REF_CNT(i) (0x00800048+(i*NV03_USER_SIZE)) +#define NV03_USER_REF_CNT__SIZE 16 +#define NV10_USER_REF_CNT__SIZE 32 + +#define NV40_USER(i) (0x00c00000+(i*NV40_USER_SIZE)) +#define NV40_USER_SIZE 0x00001000 +#define NV40_USER_DMA_PUT(i) (0x00c00040+(i*NV40_USER_SIZE)) +#define NV40_USER_DMA_PUT__SIZE 32 +#define NV40_USER_DMA_GET(i) (0x00c00044+(i*NV40_USER_SIZE)) +#define NV40_USER_DMA_GET__SIZE 32 +#define NV40_USER_REF_CNT(i) (0x00c00048+(i*NV40_USER_SIZE)) +#define NV40_USER_REF_CNT__SIZE 32 + +#define NV50_USER(i) (0x00c00000+(i*NV50_USER_SIZE)) +#define NV50_USER_SIZE 0x00002000 +#define NV50_USER_DMA_PUT(i) (0x00c00040+(i*NV50_USER_SIZE)) +#define NV50_USER_DMA_PUT__SIZE 128 +#define NV50_USER_DMA_GET(i) (0x00c00044+(i*NV50_USER_SIZE)) +#define NV50_USER_DMA_GET__SIZE 128 +/*XXX: I don't think this actually exists.. */ +#define NV50_USER_REF_CNT(i) (0x00c00048+(i*NV50_USER_SIZE)) +#define NV50_USER_REF_CNT__SIZE 128 + #define NV03_FIFO_SIZE 0x8000UL -#define NV_MAX_FIFO_NUMBER 128 -#define NV03_FIFO_REGS_SIZE 0x10000 -#define NV03_FIFO_REGS(i) (0x00800000+i*NV03_FIFO_REGS_SIZE) -# define NV03_FIFO_REGS_DMAPUT(i) (NV03_FIFO_REGS(i)+0x40) -# define NV03_FIFO_REGS_DMAGET(i) (NV03_FIFO_REGS(i)+0x44) -#define NV50_FIFO_REGS_SIZE 0x2000 -#define NV50_FIFO_REGS(i) (0x00c00000+i*NV50_FIFO_REGS_SIZE) -# define NV50_FIFO_REGS_DMAPUT(i) (NV50_FIFO_REGS(i)+0x40) -# define NV50_FIFO_REGS_DMAGET(i) (NV50_FIFO_REGS(i)+0x44) #define NV03_PMC_BOOT_0 0x00000000 #define NV03_PMC_BOOT_1 0x00000004