From 3376ee374d2318d311bd3aa7b9bb0186f64ccca5 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sat, 12 Nov 2011 14:28:12 +1000 Subject: [PATCH] drm/nvd0/disp: add support for page flipping Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_display.c | 5 +- drivers/gpu/drm/nouveau/nouveau_drv.h | 4 + drivers/gpu/drm/nouveau/nouveau_object.c | 25 +- drivers/gpu/drm/nouveau/nouveau_state.c | 2 +- drivers/gpu/drm/nouveau/nvd0_display.c | 296 ++++++++++++++++++---- 5 files changed, 267 insertions(+), 65 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index fdeb64a3a84d..b186174fa72f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -466,7 +466,10 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, /* Emit a page flip */ if (dev_priv->card_type >= NV_50) { - ret = nv50_display_flip_next(crtc, fb, chan); + if (dev_priv->card_type >= NV_D0) + ret = nvd0_display_flip_next(crtc, fb, chan, 0); + else + ret = nv50_display_flip_next(crtc, fb, chan); if (ret) { nouveau_channel_put(&chan); goto fail_unreserve; diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index c13918588034..1e70005d8220 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1353,6 +1353,10 @@ extern int nvd0_display_create(struct drm_device *); extern void nvd0_display_destroy(struct drm_device *); extern int nvd0_display_init(struct drm_device *); extern void nvd0_display_fini(struct drm_device *); +struct nouveau_bo *nvd0_display_crtc_sema(struct drm_device *, int crtc); +void nvd0_display_flip_stop(struct drm_crtc *); +int nvd0_display_flip_next(struct drm_crtc *, struct drm_framebuffer *, + struct nouveau_channel *, u32 swap_interval); /* nv04_crtc.c */ extern int nv04_crtc_create(struct drm_device *, int index); diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 960c0ae0c0c3..cc419fae794b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -723,14 +723,14 @@ nvc0_gpuobj_channel_init(struct nouveau_channel *chan, struct nouveau_vm *vm) nv_wo32(chan->ramin, 0x020c, 0x000000ff); /* map display semaphore buffers into channel's vm */ - if (dev_priv->card_type >= NV_D0) - return 0; - - for (i = 0; i < 2; i++) { - struct nv50_display_crtc *dispc = &nv50_display(dev)->crtc[i]; - - ret = nouveau_bo_vma_add(dispc->sem.bo, chan->vm, - &chan->dispc_vma[i]); + for (i = 0; i < dev->mode_config.num_crtc; i++) { + struct nouveau_bo *bo; + if (dev_priv->card_type >= NV_D0) + bo = nvd0_display_crtc_sema(dev, i); + else + bo = nv50_display(dev)->crtc[i].sem.bo; + + ret = nouveau_bo_vma_add(bo, chan->vm, &chan->dispc_vma[i]); if (ret) return ret; } @@ -879,9 +879,14 @@ nouveau_gpuobj_channel_takedown(struct nouveau_channel *chan) NV_DEBUG(dev, "ch%d\n", chan->id); - if (dev_priv->card_type >= NV_50 && dev_priv->card_type <= NV_C0) { + if (dev_priv->card_type >= NV_D0) { + for (i = 0; i < dev->mode_config.num_crtc; i++) { + struct nouveau_bo *bo = nvd0_display_crtc_sema(dev, i); + nouveau_bo_vma_del(bo, &chan->dispc_vma[i]); + } + } else + if (dev_priv->card_type >= NV_50) { struct nv50_display *disp = nv50_display(dev); - for (i = 0; i < dev->mode_config.num_crtc; i++) { struct nv50_display_crtc *dispc = &disp->crtc[i]; nouveau_bo_vma_del(dispc->sem.bo, &chan->dispc_vma[i]); diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 013b33bac302..5d8ad4ec3ac1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -1244,7 +1244,7 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data, getparam->value = 1; break; case NOUVEAU_GETPARAM_HAS_PAGEFLIP: - getparam->value = dev_priv->card_type < NV_D0; + getparam->value = 1; break; case NOUVEAU_GETPARAM_GRAPH_UNITS: /* NV40 and NV50 versions are quite different, but register diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index 0c788ebe09ab..dec1dd844d31 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -39,12 +39,20 @@ #define EVO_SYNC(c) (0x01 + (c)) #define EVO_CURS(c) (0x0d + (c)) +struct evo { + int idx; + dma_addr_t handle; + u32 *ptr; + struct { + struct nouveau_bo *bo; + u32 offset; + u16 value; + } sem; +}; + struct nvd0_display { struct nouveau_gpuobj *mem; - struct { - dma_addr_t handle; - u32 *ptr; - } evo[3]; + struct evo evo[3]; struct tasklet_struct tasklet; u32 modeset; @@ -197,6 +205,152 @@ evo_fini_pio(struct drm_device *dev, int ch) nv_mask(dev, 0x6100a0, (1 << ch), 0x00000000); } +static bool +evo_sync_wait(void *data) +{ + return nouveau_bo_rd32(data, 0) != 0x00000000; +} + +static int +evo_sync(struct drm_device *dev, int ch) +{ + struct nvd0_display *disp = nvd0_display(dev); + struct evo *evo = &disp->evo[ch]; + u32 *push; + + nouveau_bo_wr32(evo->sem.bo, 0, 0x00000000); + + push = evo_wait(dev, ch, 8); + if (push) { + evo_mthd(push, 0x0084, 1); + evo_data(push, 0x80000000); + evo_mthd(push, 0x0080, 2); + evo_data(push, 0x00000000); + evo_data(push, 0x00000000); + evo_kick(push, dev, ch); + if (nv_wait_cb(dev, evo_sync_wait, evo->sem.bo)) + return 0; + } + + return -EBUSY; +} + +/****************************************************************************** + * Sync channel (aka. page flipping) + *****************************************************************************/ +struct nouveau_bo * +nvd0_display_crtc_sema(struct drm_device *dev, int crtc) +{ + struct nvd0_display *disp = nvd0_display(dev); + struct evo *evo = &disp->evo[EVO_SYNC(crtc)]; + return evo->sem.bo; +} + +void +nvd0_display_flip_stop(struct drm_crtc *crtc) +{ + struct nvd0_display *disp = nvd0_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct evo *evo = &disp->evo[EVO_SYNC(nv_crtc->index)]; + u32 *push; + + push = evo_wait(crtc->dev, evo->idx, 8); + if (push) { + evo_mthd(push, 0x0084, 1); + evo_data(push, 0x00000000); + evo_mthd(push, 0x0094, 1); + evo_data(push, 0x00000000); + evo_mthd(push, 0x00c0, 1); + evo_data(push, 0x00000000); + evo_mthd(push, 0x0080, 1); + evo_data(push, 0x00000000); + evo_kick(push, crtc->dev, evo->idx); + } +} + +int +nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, + struct nouveau_channel *chan, u32 swap_interval) +{ + struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); + struct nvd0_display *disp = nvd0_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct evo *evo = &disp->evo[EVO_SYNC(nv_crtc->index)]; + u64 offset; + u32 *push; + int ret; + + swap_interval <<= 4; + if (swap_interval == 0) + swap_interval |= 0x100; + + push = evo_wait(crtc->dev, evo->idx, 128); + if (unlikely(push == NULL)) + return -EBUSY; + + /* synchronise with the rendering channel, if necessary */ + if (likely(chan)) { + ret = RING_SPACE(chan, 10); + if (ret) + return ret; + + offset = chan->dispc_vma[nv_crtc->index].offset; + offset += evo->sem.offset; + + BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0010, 4); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset)); + OUT_RING (chan, 0xf00d0000 | evo->sem.value); + OUT_RING (chan, 0x1002); + BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0010, 4); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset ^ 0x10)); + OUT_RING (chan, 0x74b1e000); + OUT_RING (chan, 0x1001); + FIRE_RING (chan); + } else { + nouveau_bo_wr32(evo->sem.bo, evo->sem.offset / 4, + 0xf00d0000 | evo->sem.value); + evo_sync(crtc->dev, EVO_MASTER); + } + + /* queue the flip */ + evo_mthd(push, 0x0100, 1); + evo_data(push, 0xfffe0000); + evo_mthd(push, 0x0084, 1); + evo_data(push, swap_interval); + if (!(swap_interval & 0x00000100)) { + evo_mthd(push, 0x00e0, 1); + evo_data(push, 0x40000000); + } + evo_mthd(push, 0x0088, 4); + evo_data(push, evo->sem.offset); + evo_data(push, 0xf00d0000 | evo->sem.value); + evo_data(push, 0x74b1e000); + evo_data(push, NvEvoSync); + evo_mthd(push, 0x00a0, 2); + evo_data(push, 0x00000000); + evo_data(push, 0x00000000); + evo_mthd(push, 0x00c0, 1); + evo_data(push, nv_fb->r_dma); + evo_mthd(push, 0x0110, 2); + evo_data(push, 0x00000000); + evo_data(push, 0x00000000); + evo_mthd(push, 0x0400, 5); + evo_data(push, nv_fb->nvbo->bo.offset >> 8); + evo_data(push, 0); + evo_data(push, (fb->height << 16) | fb->width); + evo_data(push, nv_fb->r_pitch); + evo_data(push, nv_fb->r_format); + evo_mthd(push, 0x0080, 1); + evo_data(push, 0x00000000); + evo_kick(push, crtc->dev, evo->idx); + + evo->sem.offset ^= 0x10; + evo->sem.value++; + return 0; +} + /****************************************************************************** * CRTC *****************************************************************************/ @@ -243,6 +397,7 @@ nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) { struct drm_display_mode *omode, *umode = &nv_crtc->base.mode; struct drm_device *dev = nv_crtc->base.dev; + struct drm_crtc *crtc = &nv_crtc->base; struct nouveau_connector *nv_connector; int mode = DRM_MODE_SCALE_NONE; u32 oX, oY, *push; @@ -308,7 +463,7 @@ nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) break; } - push = evo_wait(dev, EVO_MASTER, 16); + push = evo_wait(dev, EVO_MASTER, 8); if (push) { evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3); evo_data(push, (oY << 16) | oX); @@ -318,11 +473,11 @@ nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) evo_data(push, 0x00000000); evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1); evo_data(push, (umode->vdisplay << 16) | umode->hdisplay); + evo_kick(push, dev, EVO_MASTER); if (update) { - evo_mthd(push, 0x0080, 1); - evo_data(push, 0x00000000); + nvd0_display_flip_stop(crtc); + nvd0_display_flip_next(crtc, crtc->fb, NULL, 1); } - evo_kick(push, dev, EVO_MASTER); } return 0; @@ -396,6 +551,8 @@ nvd0_crtc_prepare(struct drm_crtc *crtc) struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); u32 *push; + nvd0_display_flip_stop(crtc); + push = evo_wait(crtc->dev, EVO_MASTER, 2); if (push) { evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1); @@ -432,7 +589,8 @@ nvd0_crtc_commit(struct drm_crtc *crtc) evo_kick(push, crtc->dev, EVO_MASTER); } - nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, true); + nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, false); + nvd0_display_flip_next(crtc, crtc->fb, NULL, 1); } static bool @@ -524,6 +682,9 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2); evo_data(push, syncs); evo_data(push, magic); + evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2); + evo_data(push, 0x00000311); + evo_data(push, 0x00000100); evo_kick(push, crtc->dev, EVO_MASTER); } @@ -550,7 +711,9 @@ nvd0_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, if (ret) return ret; + nvd0_display_flip_stop(crtc); nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, true); + nvd0_display_flip_next(crtc, crtc->fb, NULL, 1); return 0; } @@ -560,6 +723,7 @@ nvd0_crtc_mode_set_base_atomic(struct drm_crtc *crtc, enum mode_set_atomic state) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + nvd0_display_flip_stop(crtc); nvd0_crtc_set_image(nv_crtc, fb, x, y, true); return 0; } @@ -675,6 +839,7 @@ static const struct drm_crtc_funcs nvd0_crtc_func = { .gamma_set = nvd0_crtc_gamma_set, .set_config = drm_crtc_helper_set_config, .destroy = nvd0_crtc_destroy, + .page_flip = nouveau_crtc_page_flip, }; static void @@ -1572,8 +1737,10 @@ nvd0_display_destroy(struct drm_device *dev) int i; for (i = 0; i < 3; i++) { - pci_free_consistent(pdev, PAGE_SIZE, disp->evo[i].ptr, - disp->evo[i].handle); + struct evo *evo = &disp->evo[i]; + nouveau_bo_unmap(evo->sem.bo); + nouveau_bo_ref(NULL, &evo->sem.bo); + pci_free_consistent(pdev, PAGE_SIZE, evo->ptr, evo->handle); } nouveau_gpuobj_ref(NULL, &disp->mem); @@ -1654,54 +1821,77 @@ nvd0_display_create(struct drm_device *dev) if (ret) goto out; - nv_wo32(disp->mem, 0x1000, 0x00000049); - nv_wo32(disp->mem, 0x1004, (disp->mem->vinst + 0x2000) >> 8); - nv_wo32(disp->mem, 0x1008, (disp->mem->vinst + 0x2fff) >> 8); - nv_wo32(disp->mem, 0x100c, 0x00000000); - nv_wo32(disp->mem, 0x1010, 0x00000000); - nv_wo32(disp->mem, 0x1014, 0x00000000); - nv_wo32(disp->mem, 0x0000, NvEvoSync); - nv_wo32(disp->mem, 0x0004, (0x1000 << 9) | 0x00000001); - - nv_wo32(disp->mem, 0x1020, 0x00000049); - nv_wo32(disp->mem, 0x1024, 0x00000000); - nv_wo32(disp->mem, 0x1028, (dev_priv->vram_size - 1) >> 8); - nv_wo32(disp->mem, 0x102c, 0x00000000); - nv_wo32(disp->mem, 0x1030, 0x00000000); - nv_wo32(disp->mem, 0x1034, 0x00000000); - nv_wo32(disp->mem, 0x0008, NvEvoVRAM); - nv_wo32(disp->mem, 0x000c, (0x1020 << 9) | 0x00000001); - - nv_wo32(disp->mem, 0x1040, 0x00000009); - nv_wo32(disp->mem, 0x1044, 0x00000000); - nv_wo32(disp->mem, 0x1048, (dev_priv->vram_size - 1) >> 8); - nv_wo32(disp->mem, 0x104c, 0x00000000); - nv_wo32(disp->mem, 0x1050, 0x00000000); - nv_wo32(disp->mem, 0x1054, 0x00000000); - nv_wo32(disp->mem, 0x0010, NvEvoVRAM_LP); - nv_wo32(disp->mem, 0x0014, (0x1040 << 9) | 0x00000001); - - nv_wo32(disp->mem, 0x1060, 0x0fe00009); - nv_wo32(disp->mem, 0x1064, 0x00000000); - nv_wo32(disp->mem, 0x1068, (dev_priv->vram_size - 1) >> 8); - nv_wo32(disp->mem, 0x106c, 0x00000000); - nv_wo32(disp->mem, 0x1070, 0x00000000); - nv_wo32(disp->mem, 0x1074, 0x00000000); - nv_wo32(disp->mem, 0x0018, NvEvoFB32); - nv_wo32(disp->mem, 0x001c, (0x1060 << 9) | 0x00000001); - - pinstmem->flush(dev); - - /* push buffers for evo channels */ + /* create evo dma channels */ for (i = 0; i < 3; i++) { - disp->evo[i].ptr = pci_alloc_consistent(pdev, PAGE_SIZE, - &disp->evo[i].handle); - if (!disp->evo[i].ptr) { + struct evo *evo = &disp->evo[i]; + u32 dmao = 0x1000 + (i * 0x100); + u32 hash = 0x0000 + (i * 0x040); + u64 offset; + + evo->idx = i; + evo->ptr = pci_alloc_consistent(pdev, PAGE_SIZE, &evo->handle); + if (!evo->ptr) { ret = -ENOMEM; goto out; } + + ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM, + 0, 0x0000, &evo->sem.bo); + if (!ret) { + ret = nouveau_bo_pin(evo->sem.bo, TTM_PL_FLAG_VRAM); + if (!ret) + ret = nouveau_bo_map(evo->sem.bo); + if (ret) + nouveau_bo_ref(NULL, &evo->sem.bo); + offset = evo->sem.bo->bo.offset; + } + + if (ret) + goto out; + + nv_wo32(disp->mem, dmao + 0x00, 0x00000049); + nv_wo32(disp->mem, dmao + 0x04, (offset + 0x0000) >> 8); + nv_wo32(disp->mem, dmao + 0x08, (offset + 0x0fff) >> 8); + nv_wo32(disp->mem, dmao + 0x0c, 0x00000000); + nv_wo32(disp->mem, dmao + 0x10, 0x00000000); + nv_wo32(disp->mem, dmao + 0x14, 0x00000000); + nv_wo32(disp->mem, hash + 0x00, NvEvoSync); + nv_wo32(disp->mem, hash + 0x04, 0x00000001 | (i << 27) | + ((dmao + 0x00) << 9)); + + nv_wo32(disp->mem, dmao + 0x20, 0x00000049); + nv_wo32(disp->mem, dmao + 0x24, 0x00000000); + nv_wo32(disp->mem, dmao + 0x28, (dev_priv->vram_size - 1) >> 8); + nv_wo32(disp->mem, dmao + 0x2c, 0x00000000); + nv_wo32(disp->mem, dmao + 0x30, 0x00000000); + nv_wo32(disp->mem, dmao + 0x34, 0x00000000); + nv_wo32(disp->mem, hash + 0x08, NvEvoVRAM); + nv_wo32(disp->mem, hash + 0x0c, 0x00000001 | (i << 27) | + ((dmao + 0x20) << 9)); + + nv_wo32(disp->mem, dmao + 0x40, 0x00000009); + nv_wo32(disp->mem, dmao + 0x44, 0x00000000); + nv_wo32(disp->mem, dmao + 0x48, (dev_priv->vram_size - 1) >> 8); + nv_wo32(disp->mem, dmao + 0x4c, 0x00000000); + nv_wo32(disp->mem, dmao + 0x50, 0x00000000); + nv_wo32(disp->mem, dmao + 0x54, 0x00000000); + nv_wo32(disp->mem, hash + 0x10, NvEvoVRAM_LP); + nv_wo32(disp->mem, hash + 0x14, 0x00000001 | (i << 27) | + ((dmao + 0x40) << 9)); + + nv_wo32(disp->mem, dmao + 0x60, 0x0fe00009); + nv_wo32(disp->mem, dmao + 0x64, 0x00000000); + nv_wo32(disp->mem, dmao + 0x68, (dev_priv->vram_size - 1) >> 8); + nv_wo32(disp->mem, dmao + 0x6c, 0x00000000); + nv_wo32(disp->mem, dmao + 0x70, 0x00000000); + nv_wo32(disp->mem, dmao + 0x74, 0x00000000); + nv_wo32(disp->mem, hash + 0x18, NvEvoFB32); + nv_wo32(disp->mem, hash + 0x1c, 0x00000001 | (i << 27) | + ((dmao + 0x60) << 9)); } + pinstmem->flush(dev); + out: if (ret) nvd0_display_destroy(dev); -- GitLab