From c5804be0627508487bd9eacebf9de7f807e5d4e7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= Date: Mon, 14 Dec 2009 20:58:39 +0000 Subject: [PATCH] drm/nouveau: Add proper error handling to nouveau_card_init MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Marcin Kościelnicki Signed-off-by: Maarten Maathuis Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_state.c | 73 ++++++++++++++++--------- 1 file changed, 48 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 2ed41d339f6a..9fc582432da9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -317,7 +317,7 @@ nouveau_card_init(struct drm_device *dev) /* Initialise internal driver API hooks */ ret = nouveau_init_engine_ptrs(dev); if (ret) - return ret; + goto out; engine = &dev_priv->engine; dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED; @@ -325,12 +325,12 @@ nouveau_card_init(struct drm_device *dev) if (drm_core_check_feature(dev, DRIVER_MODESET)) { ret = nouveau_bios_init(dev); if (ret) - return ret; + goto out; } ret = nouveau_gpuobj_early_init(dev); if (ret) - return ret; + goto out_bios; /* Initialise instance memory, must happen before mem_init so we * know exactly how much VRAM we're able to use for "normal" @@ -338,52 +338,52 @@ nouveau_card_init(struct drm_device *dev) */ ret = engine->instmem.init(dev); if (ret) - return ret; + goto out_gpuobj_early; /* Setup the memory manager */ ret = nouveau_mem_init(dev); if (ret) - return ret; + goto out_instmem; ret = nouveau_gpuobj_init(dev); if (ret) - return ret; + goto out_mem; /* PMC */ ret = engine->mc.init(dev); if (ret) - return ret; + goto out_gpuobj; /* PTIMER */ ret = engine->timer.init(dev); if (ret) - return ret; + goto out_mc; /* PFB */ ret = engine->fb.init(dev); if (ret) - return ret; + goto out_timer; /* PGRAPH */ ret = engine->graph.init(dev); if (ret) - return ret; + goto out_fb; /* PFIFO */ ret = engine->fifo.init(dev); if (ret) - return ret; + goto out_graph; /* this call irq_preinstall, register irq handler and * call irq_postinstall */ ret = drm_irq_install(dev); if (ret) - return ret; + goto out_fifo; ret = drm_vblank_init(dev, 0); if (ret) - return ret; + goto out_irq; /* what about PVIDEO/PCRTC/PRAMDAC etc? */ @@ -391,7 +391,7 @@ nouveau_card_init(struct drm_device *dev) (struct drm_file *)-2, NvDmaFB, NvDmaTT); if (ret) - return ret; + goto out_irq; gpuobj = NULL; ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY, @@ -399,13 +399,13 @@ nouveau_card_init(struct drm_device *dev) NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM, &gpuobj); if (ret) - return ret; + goto out_irq; ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaVRAM, gpuobj, NULL); if (ret) { nouveau_gpuobj_del(dev, &gpuobj); - return ret; + goto out_irq; } gpuobj = NULL; @@ -413,25 +413,22 @@ nouveau_card_init(struct drm_device *dev) dev_priv->gart_info.aper_size, NV_DMA_ACCESS_RW, &gpuobj, NULL); if (ret) - return ret; + goto out_irq; ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaGART, gpuobj, NULL); if (ret) { nouveau_gpuobj_del(dev, &gpuobj); - return ret; + goto out_irq; } if (drm_core_check_feature(dev, DRIVER_MODESET)) { - if (dev_priv->card_type >= NV_50) { + if (dev_priv->card_type >= NV_50) ret = nv50_display_create(dev); - if (ret) - return ret; - } else { + else ret = nv04_display_create(dev); - if (ret) - return ret; - } + if (ret) + goto out_irq; } ret = nouveau_backlight_init(dev); @@ -444,6 +441,32 @@ nouveau_card_init(struct drm_device *dev) drm_helper_initial_config(dev); return 0; + +out_irq: + drm_irq_uninstall(dev); +out_fifo: + engine->fifo.takedown(dev); +out_graph: + engine->graph.takedown(dev); +out_fb: + engine->fb.takedown(dev); +out_timer: + engine->timer.takedown(dev); +out_mc: + engine->mc.takedown(dev); +out_gpuobj: + nouveau_gpuobj_takedown(dev); +out_mem: + nouveau_mem_close(dev); +out_instmem: + engine->instmem.takedown(dev); +out_gpuobj_early: + nouveau_gpuobj_late_takedown(dev); +out_bios: + nouveau_bios_takedown(dev); +out: + vga_client_register(dev->pdev, NULL, NULL, NULL); + return ret; } static void nouveau_card_takedown(struct drm_device *dev)