diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_crtc.c | 77 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_evo.c | 20 |
5 files changed, 77 insertions, 26 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h index c36f176..6c9501b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.h +++ b/drivers/gpu/drm/nouveau/nouveau_dma.h @@ -78,7 +78,8 @@ enum { NvEvoVRAM = 0x01000000, NvEvoFB16 = 0x01000001, NvEvoFB32 = 0x01000002, - NvEvoVRAM_LP = 0x01000003 + NvEvoVRAM_LP = 0x01000003, + NvEvoSync = 0xcafe0000 }; #define NV_MEMORY_TO_MEMORY_FORMAT 0x00000039 diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c index bc5fa36..a94aff5 100644 --- a/drivers/gpu/drm/nouveau/nv50_crtc.c +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -443,6 +443,42 @@ nv50_crtc_dpms(struct drm_crtc *crtc, int mode) { } +static int +nv50_crtc_wait_complete(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer; + struct nv50_display *disp = nv50_display(dev); + struct nouveau_channel *evo = disp->master; + u64 start; + int ret; + + ret = RING_SPACE(evo, 6); + if (ret) + return ret; + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x80000000); + BEGIN_RING(evo, 0, 0x0080, 1); + OUT_RING (evo, 0); + BEGIN_RING(evo, 0, 0x0084, 1); + OUT_RING (evo, 0x00000000); + + nv_wo32(disp->ntfy, 0x000, 0x00000000); + FIRE_RING (evo); + + start = ptimer->read(dev); + do { + nv_wr32(dev, 0x61002c, 0x370); + nv_wr32(dev, 0x000140, 1); + + if (nv_ro32(disp->ntfy, 0x000)) + return 0; + } while (ptimer->read(dev) - start < 2000000000ULL); + + return -EBUSY; +} + static void nv50_crtc_prepare(struct drm_crtc *crtc) { @@ -459,23 +495,13 @@ static void nv50_crtc_commit(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; - struct nouveau_channel *evo = nv50_display(dev)->master; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - int ret; NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index); nv50_crtc_blank(nv_crtc, false); drm_vblank_post_modeset(dev, nv_crtc->index); - - ret = RING_SPACE(evo, 2); - if (ret) { - NV_ERROR(dev, "no space while committing crtc\n"); - return; - } - BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); - OUT_RING (evo, 0); - FIRE_RING (evo); + nv50_crtc_wait_complete(crtc); } static bool @@ -488,7 +514,7 @@ nv50_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode, static int nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, struct drm_framebuffer *passed_fb, - int x, int y, bool update, bool atomic) + int x, int y, bool atomic) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = nv_crtc->base.dev; @@ -598,15 +624,6 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, nv50_crtc_lut_load(crtc); } - if (update) { - ret = RING_SPACE(evo, 2); - if (ret) - return ret; - BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); - OUT_RING(evo, 0); - FIRE_RING(evo); - } - return 0; } @@ -696,14 +713,20 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, false); nv_crtc->set_scale(nv_crtc, nv_connector->scaling_mode, false); - return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false, false); + return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false); } static int nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { - return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, true, false); + int ret; + + ret = nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false); + if (ret) + return ret; + + return nv50_crtc_wait_complete(crtc); } static int @@ -711,7 +734,13 @@ nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, int x, int y, enum mode_set_atomic state) { - return nv50_crtc_do_mode_set_base(crtc, fb, x, y, true, true); + int ret; + + ret = nv50_crtc_do_mode_set_base(crtc, fb, x, y, true); + if (ret) + return ret; + + return nv50_crtc_wait_complete(crtc); } static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = { diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index e295a17..09d7994 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -183,7 +183,7 @@ nv50_display_init(struct drm_device *dev) 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); diff --git a/drivers/gpu/drm/nouveau/nv50_display.h b/drivers/gpu/drm/nouveau/nv50_display.h index ea37f23..a51b885 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.h +++ b/drivers/gpu/drm/nouveau/nv50_display.h @@ -37,6 +37,7 @@ struct nv50_display { struct nouveau_channel *master; + struct nouveau_gpuobj *ntfy; struct tasklet_struct tasklet; struct { diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c index 9703f75..eea9620 100644 --- a/drivers/gpu/drm/nouveau/nv50_evo.c +++ b/drivers/gpu/drm/nouveau/nv50_evo.c @@ -203,6 +203,7 @@ nv50_evo_destroy(struct drm_device *dev) { struct nv50_display *disp = nv50_display(dev); + nouveau_gpuobj_ref(NULL, &disp->ntfy); nv50_evo_channel_del(&disp->master); } @@ -251,6 +252,25 @@ nv50_evo_create(struct drm_device *dev) if (ret) goto err; + /* not sure exactly what this is.. + * + * the first dword of the structure is used by nvidia to wait on + * full completion of an EVO "update" command. + * + * method 0x8c on the master evo channel will fill a lot more of + * this structure with some undefined info + */ + ret = nouveau_gpuobj_new(dev, disp->master, 0x1000, 0, + NVOBJ_FLAG_ZERO_ALLOC, &disp->ntfy); + if (ret) + goto err; + + ret = nv50_evo_dmaobj_new(disp->master, 0x3d, NvEvoSync, 0, 0x19, + disp->ntfy->vinst, disp->ntfy->vinst + + disp->ntfy->size, 0x00010000); + if (ret) + goto err; + /* create some default objects for the scanout memtypes we support */ if (dev_priv->card_type >= NV_C0) { ret = nv50_evo_dmaobj_new(evo, 0x3d, NvEvoFB32, 0xfe, 0x19, |
