From 1575b3646c1c2141cfb68f7581c50d8bd19f17ac Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 4 Jul 2011 11:55:39 +1000 Subject: [PATCH] drm/nouveau: fixup init/fini sequence to deal with no CRTCs Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_object.c | 4 +- drivers/gpu/drm/nouveau/nouveau_state.c | 64 +++++++++++------------- 2 files changed, 30 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 363379c226ed..4406c1751069 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -793,7 +793,7 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan, return ret; /* dma objects for display sync channel semaphore blocks */ - for (i = 0; i < 2; i++) { + for (i = 0; i < dev->mode_config.num_crtc; i++) { struct nouveau_gpuobj *sem = NULL; struct nv50_display_crtc *dispc = &nv50_display(dev)->crtc[i]; @@ -878,7 +878,7 @@ nouveau_gpuobj_channel_takedown(struct nouveau_channel *chan) if (dev_priv->card_type >= NV_50) { struct nv50_display *disp = nv50_display(dev); - for (i = 0; i < 2; i++) { + 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 2d7a4ed60142..d4570220417f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -452,21 +452,6 @@ nouveau_vga_set_decode(void *priv, bool state) return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; } -static int -nouveau_card_init_channel(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - int ret; - - ret = nouveau_channel_alloc(dev, &dev_priv->channel, NULL, - NvDmaFB, NvDmaTT); - if (ret) - return ret; - - mutex_unlock(&dev_priv->channel->mutex); - return 0; -} - static void nouveau_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) { @@ -657,6 +642,10 @@ nouveau_card_init(struct drm_device *dev) goto out_engine; } + ret = nouveau_irq_init(dev); + if (ret) + goto out_fifo; + /* initialise general modesetting */ drm_mode_config_init(dev); drm_mode_create_scaling_mode_property(dev); @@ -679,39 +668,40 @@ nouveau_card_init(struct drm_device *dev) ret = engine->display.create(dev); if (ret) - goto out_fifo; - - ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1); - if (ret) - goto out_vblank; - - ret = nouveau_irq_init(dev); - if (ret) - goto out_vblank; - - /* what about PVIDEO/PCRTC/PRAMDAC etc? */ + goto out_irq; if (dev_priv->eng[NVOBJ_ENGINE_GR]) { ret = nouveau_fence_init(dev); if (ret) - goto out_irq; + goto out_disp; - ret = nouveau_card_init_channel(dev); + ret = nouveau_channel_alloc(dev, &dev_priv->channel, NULL, + NvDmaFB, NvDmaTT); if (ret) goto out_fence; + + mutex_unlock(&dev_priv->channel->mutex); + } + + if (dev->mode_config.num_crtc) { + ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (ret) + goto out_chan; + + nouveau_fbcon_init(dev); + drm_kms_helper_poll_init(dev); } - nouveau_fbcon_init(dev); - drm_kms_helper_poll_init(dev); return 0; +out_chan: + nouveau_channel_put_unlocked(&dev_priv->channel); out_fence: nouveau_fence_fini(dev); +out_disp: + engine->display.destroy(dev); out_irq: nouveau_irq_fini(dev); -out_vblank: - drm_vblank_cleanup(dev); - engine->display.destroy(dev); out_fifo: if (!dev_priv->noaccel) engine->fifo.takedown(dev); @@ -758,8 +748,11 @@ static void nouveau_card_takedown(struct drm_device *dev) struct nouveau_engine *engine = &dev_priv->engine; int e; - drm_kms_helper_poll_fini(dev); - nouveau_fbcon_fini(dev); + if (dev->mode_config.num_crtc) { + drm_kms_helper_poll_fini(dev); + nouveau_fbcon_fini(dev); + drm_vblank_cleanup(dev); + } if (dev_priv->channel) { nouveau_channel_put_unlocked(&dev_priv->channel); @@ -801,7 +794,6 @@ static void nouveau_card_takedown(struct drm_device *dev) engine->vram.takedown(dev); nouveau_irq_fini(dev); - drm_vblank_cleanup(dev); nouveau_pm_fini(dev); nouveau_bios_takedown(dev); -- 2.39.5