diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 191 |
1 files changed, 162 insertions, 29 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 7cc94ed..75a376c 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -24,6 +24,7 @@ * */ +#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) #include "nv50_display.h" #include "nouveau_crtc.h" #include "nouveau_encoder.h" @@ -34,6 +35,7 @@ #include "drm_crtc_helper.h" static void nv50_display_isr(struct drm_device *); +static void nv50_display_bh(unsigned long); static inline int nv50_sor_nr(struct drm_device *dev) @@ -172,16 +174,16 @@ nv50_display_init(struct drm_device *dev) ret = nv50_evo_init(dev); if (ret) return ret; - evo = dev_priv->evo; + evo = nv50_display(dev)->master; nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); - ret = RING_SPACE(evo, 11); + ret = RING_SPACE(evo, 15); if (ret) return ret; BEGIN_RING(evo, 0, NV50_EVO_UNK84, 2); OUT_RING(evo, NV50_EVO_UNK84_NOTIFY_DISABLED); - OUT_RING(evo, NV50_EVO_DMA_NOTIFY_HANDLE_NONE); + OUT_RING(evo, NvEvoSync); BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, FB_DMA), 1); OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE); BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK0800), 1); @@ -190,6 +192,11 @@ nv50_display_init(struct drm_device *dev) OUT_RING(evo, 0); BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK082C), 1); OUT_RING(evo, 0); + /* required to make display sync channels not hate life */ + BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK900), 1); + OUT_RING (evo, 0x00000311); + BEGIN_RING(evo, 0, NV50_EVO_CRTC(1, UNK900), 1); + OUT_RING (evo, 0x00000311); FIRE_RING(evo); if (!nv_wait(dev, 0x640004, 0xffffffff, evo->dma.put << 2)) NV_ERROR(dev, "evo pushbuf stalled\n"); @@ -201,6 +208,8 @@ nv50_display_init(struct drm_device *dev) static int nv50_display_disable(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv50_display *disp = nv50_display(dev); + struct nouveau_channel *evo = disp->master; struct drm_crtc *drm_crtc; int ret, i; @@ -212,12 +221,12 @@ static int nv50_display_disable(struct drm_device *dev) nv50_crtc_blank(crtc, true); } - ret = RING_SPACE(dev_priv->evo, 2); + ret = RING_SPACE(evo, 2); if (ret == 0) { - BEGIN_RING(dev_priv->evo, 0, NV50_EVO_UPDATE, 1); - OUT_RING(dev_priv->evo, 0); + BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); + OUT_RING(evo, 0); } - FIRE_RING(dev_priv->evo); + FIRE_RING(evo); /* Almost like ack'ing a vblank interrupt, maybe in the spirit of * cleaning up? @@ -267,10 +276,16 @@ int nv50_display_create(struct drm_device *dev) struct drm_nouveau_private *dev_priv = dev->dev_private; struct dcb_table *dcb = &dev_priv->vbios.dcb; struct drm_connector *connector, *ct; + struct nv50_display *priv; int ret, i; NV_DEBUG_KMS(dev, "\n"); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + dev_priv->engine.display.priv = priv; + /* init basic kernel modesetting */ drm_mode_config_init(dev); @@ -330,7 +345,7 @@ int nv50_display_create(struct drm_device *dev) } } - INIT_WORK(&dev_priv->irq_work, nv50_display_irq_handler_bh); + tasklet_init(&priv->tasklet, nv50_display_bh, (unsigned long)dev); nouveau_irq_register(dev, 26, nv50_display_isr); ret = nv50_display_init(dev); @@ -345,12 +360,131 @@ int nv50_display_create(struct drm_device *dev) void nv50_display_destroy(struct drm_device *dev) { + struct nv50_display *disp = nv50_display(dev); + NV_DEBUG_KMS(dev, "\n"); drm_mode_config_cleanup(dev); nv50_display_disable(dev); nouveau_irq_unregister(dev, 26); + kfree(disp); +} + +void +nv50_display_flip_stop(struct drm_crtc *crtc) +{ + struct nv50_display *disp = nv50_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nv50_display_crtc *dispc = &disp->crtc[nv_crtc->index]; + struct nouveau_channel *evo = dispc->sync; + int ret; + + ret = RING_SPACE(evo, 8); + if (ret) { + WARN_ON(1); + return; + } + + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0094, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x00c0, 1); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0080, 1); + OUT_RING (evo, 0x00000000); + FIRE_RING (evo); +} + +int +nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, + struct nouveau_channel *chan) +{ + struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; + struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); + struct nv50_display *disp = nv50_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + struct nv50_display_crtc *dispc = &disp->crtc[nv_crtc->index]; + struct nouveau_channel *evo = dispc->sync; + int ret; + + ret = RING_SPACE(evo, 24); + if (unlikely(ret)) + return ret; + + /* synchronise with the rendering channel, if necessary */ + if (likely(chan)) { + u64 offset = dispc->sem.bo->vma.offset + dispc->sem.offset; + + ret = RING_SPACE(chan, 10); + if (ret) { + WIND_RING(evo); + return ret; + } + + if (dev_priv->chipset < 0xc0) { + BEGIN_RING(chan, NvSubSw, 0x0060, 2); + OUT_RING (chan, NvEvoSema0 + nv_crtc->index); + OUT_RING (chan, dispc->sem.offset); + BEGIN_RING(chan, NvSubSw, 0x006c, 1); + OUT_RING (chan, 0xf00d0000 | dispc->sem.value); + BEGIN_RING(chan, NvSubSw, 0x0064, 2); + OUT_RING (chan, dispc->sem.offset ^ 0x10); + OUT_RING (chan, 0x74b1e000); + BEGIN_RING(chan, NvSubSw, 0x0060, 1); + if (dev_priv->chipset < 0x84) + OUT_RING (chan, NvSema); + else + OUT_RING (chan, chan->vram_handle); + } else { + 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 | dispc->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(dispc->sem.bo, dispc->sem.offset / 4, + 0xf00d0000 | dispc->sem.value); + } + + /* queue the flip on the crtc's "display sync" channel */ + BEGIN_RING(evo, 0, 0x0100, 1); + OUT_RING (evo, 0xfffe0000); + BEGIN_RING(evo, 0, 0x0084, 5); + OUT_RING (evo, chan ? 0x00000100 : 0x00000010); + OUT_RING (evo, dispc->sem.offset); + OUT_RING (evo, 0xf00d0000 | dispc->sem.value); + OUT_RING (evo, 0x74b1e000); + OUT_RING (evo, NvEvoSync); + BEGIN_RING(evo, 0, 0x00a0, 2); + OUT_RING (evo, 0x00000000); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x00c0, 1); + OUT_RING (evo, nv_fb->r_dma); + BEGIN_RING(evo, 0, 0x0110, 2); + OUT_RING (evo, 0x00000000); + OUT_RING (evo, 0x00000000); + BEGIN_RING(evo, 0, 0x0800, 5); + OUT_RING (evo, (nv_fb->nvbo->bo.mem.start << PAGE_SHIFT) >> 8); + OUT_RING (evo, 0); + OUT_RING (evo, (fb->height << 16) | fb->width); + OUT_RING (evo, nv_fb->r_pitch); + OUT_RING (evo, nv_fb->r_format); + BEGIN_RING(evo, 0, 0x0080, 1); + OUT_RING (evo, 0x00000000); + FIRE_RING (evo); + + dispc->sem.offset ^= 0x10; + dispc->sem.value++; + return 0; } static u16 @@ -466,11 +600,12 @@ static void nv50_display_unk10_handler(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv50_display *disp = nv50_display(dev); u32 unk30 = nv_rd32(dev, 0x610030), mc; int i, crtc, or, type = OUTPUT_ANY; NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30); - dev_priv->evo_irq.dcb = NULL; + disp->irq.dcb = NULL; nv_wr32(dev, 0x619494, nv_rd32(dev, 0x619494) & ~8); @@ -541,7 +676,7 @@ nv50_display_unk10_handler(struct drm_device *dev) if (dcb->type == type && (dcb->or & (1 << or))) { nouveau_bios_run_display_table(dev, dcb, 0, -1); - dev_priv->evo_irq.dcb = dcb; + disp->irq.dcb = dcb; goto ack; } } @@ -587,15 +722,16 @@ static void nv50_display_unk20_handler(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc; + struct nv50_display *disp = nv50_display(dev); + u32 unk30 = nv_rd32(dev, 0x610030), tmp, pclk, script, mc = 0; struct dcb_entry *dcb; int i, crtc, or, type = OUTPUT_ANY; NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30); - dcb = dev_priv->evo_irq.dcb; + dcb = disp->irq.dcb; if (dcb) { nouveau_bios_run_display_table(dev, dcb, 0, -2); - dev_priv->evo_irq.dcb = NULL; + disp->irq.dcb = NULL; } /* CRTC clock change requested? */ @@ -692,9 +828,9 @@ nv50_display_unk20_handler(struct drm_device *dev) nv_wr32(dev, NV50_PDISPLAY_DAC_CLK_CTRL2(or), 0); } - dev_priv->evo_irq.dcb = dcb; - dev_priv->evo_irq.pclk = pclk; - dev_priv->evo_irq.script = script; + disp->irq.dcb = dcb; + disp->irq.pclk = pclk; + disp->irq.script = script; ack: nv_wr32(dev, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_CLK_UNK20); @@ -735,13 +871,13 @@ nv50_display_unk40_dp_set_tmds(struct drm_device *dev, struct dcb_entry *dcb) static void nv50_display_unk40_handler(struct drm_device *dev) { - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct dcb_entry *dcb = dev_priv->evo_irq.dcb; - u16 script = dev_priv->evo_irq.script; - u32 unk30 = nv_rd32(dev, 0x610030), pclk = dev_priv->evo_irq.pclk; + struct nv50_display *disp = nv50_display(dev); + struct dcb_entry *dcb = disp->irq.dcb; + u16 script = disp->irq.script; + u32 unk30 = nv_rd32(dev, 0x610030), pclk = disp->irq.pclk; NV_DEBUG_KMS(dev, "0x610030: 0x%08x\n", unk30); - dev_priv->evo_irq.dcb = NULL; + disp->irq.dcb = NULL; if (!dcb) goto ack; @@ -754,12 +890,10 @@ ack: nv_wr32(dev, 0x619494, nv_rd32(dev, 0x619494) | 8); } -void -nv50_display_irq_handler_bh(struct work_struct *work) +static void +nv50_display_bh(unsigned long data) { - struct drm_nouveau_private *dev_priv = - container_of(work, struct drm_nouveau_private, irq_work); - struct drm_device *dev = dev_priv->dev; + struct drm_device *dev = (struct drm_device *)data; for (;;) { uint32_t intr0 = nv_rd32(dev, NV50_PDISPLAY_INTR_0); @@ -807,7 +941,7 @@ nv50_display_error_handler(struct drm_device *dev) static void nv50_display_isr(struct drm_device *dev) { - struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv50_display *disp = nv50_display(dev); uint32_t delayed = 0; while (nv_rd32(dev, NV50_PMC_INTR_0) & NV50_PMC_INTR_0_DISPLAY) { @@ -835,8 +969,7 @@ nv50_display_isr(struct drm_device *dev) NV50_PDISPLAY_INTR_1_CLK_UNK40)); if (clock) { nv_wr32(dev, NV03_PMC_INTR_EN_0, 0); - if (!work_pending(&dev_priv->irq_work)) - queue_work(dev_priv->wq, &dev_priv->irq_work); + tasklet_schedule(&disp->tasklet); delayed |= clock; intr1 &= ~clock; } |