From: Ben Skeggs Date: Mon, 25 Oct 2010 05:23:59 +0000 (+1000) Subject: drm/nouveau: simplify gpuobj suspend/resume X-Git-Tag: v3.0~2447^2~37^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dc1e5c0dbff27c2b5147eaea16c578d2337870c3;p=platform%2Fkernel%2Flinux-amlogic.git drm/nouveau: simplify gpuobj suspend/resume Reviewed-by: Francisco Jerez Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 52f9307..7ff5b43 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -222,17 +222,17 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state) pfifo->unload_context(dev); pgraph->unload_context(dev); - NV_INFO(dev, "Suspending GPU objects...\n"); - ret = nouveau_gpuobj_suspend(dev); + ret = pinstmem->suspend(dev); if (ret) { NV_ERROR(dev, "... failed: %d\n", ret); goto out_abort; } - ret = pinstmem->suspend(dev); + NV_INFO(dev, "Suspending GPU objects...\n"); + ret = nouveau_gpuobj_suspend(dev); if (ret) { NV_ERROR(dev, "... failed: %d\n", ret); - nouveau_gpuobj_suspend_cleanup(dev); + pinstmem->resume(dev); goto out_abort; } @@ -297,6 +297,9 @@ nouveau_pci_resume(struct pci_dev *pdev) } } + NV_INFO(dev, "Restoring GPU objects...\n"); + nouveau_gpuobj_resume(dev); + NV_INFO(dev, "Reinitialising engines...\n"); engine->instmem.resume(dev); engine->mc.init(dev); @@ -306,9 +309,6 @@ nouveau_pci_resume(struct pci_dev *pdev) engine->crypt.init(dev); engine->fifo.init(dev); - NV_INFO(dev, "Restoring GPU objects...\n"); - nouveau_gpuobj_resume(dev); - nouveau_irq_postinstall(dev); /* Re-write SKIPS, they'll have been lost over the suspend */ diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 912c9f7..18a611e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -153,7 +153,7 @@ struct nouveau_gpuobj { struct drm_mm_node *im_pramin; struct nouveau_bo *im_backing; - uint32_t *im_backing_suspend; + u32 *suspend; int im_bound; uint32_t flags; @@ -865,7 +865,6 @@ extern int nouveau_gpuobj_early_init(struct drm_device *); extern int nouveau_gpuobj_init(struct drm_device *); extern void nouveau_gpuobj_takedown(struct drm_device *); extern int nouveau_gpuobj_suspend(struct drm_device *dev); -extern void nouveau_gpuobj_suspend_cleanup(struct drm_device *dev); extern void nouveau_gpuobj_resume(struct drm_device *dev); extern int nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng); extern int nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd, diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 9442955..8c5e35c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -934,78 +934,42 @@ nouveau_gpuobj_suspend(struct drm_device *dev) struct nouveau_gpuobj *gpuobj; int i; - if (dev_priv->card_type < NV_50) { - dev_priv->susres.ramin_copy = vmalloc(dev_priv->ramin_rsvd_vram); - if (!dev_priv->susres.ramin_copy) - return -ENOMEM; - - for (i = 0; i < dev_priv->ramin_rsvd_vram; i += 4) - dev_priv->susres.ramin_copy[i/4] = nv_ri32(dev, i); - return 0; - } - list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) { - if (!gpuobj->im_backing) + if (gpuobj->cinst != 0xdeadbeef) continue; - gpuobj->im_backing_suspend = vmalloc(gpuobj->size); - if (!gpuobj->im_backing_suspend) { + gpuobj->suspend = vmalloc(gpuobj->size); + if (!gpuobj->suspend) { nouveau_gpuobj_resume(dev); return -ENOMEM; } for (i = 0; i < gpuobj->size; i += 4) - gpuobj->im_backing_suspend[i/4] = nv_ro32(gpuobj, i); + gpuobj->suspend[i/4] = nv_ro32(gpuobj, i); } return 0; } void -nouveau_gpuobj_suspend_cleanup(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *gpuobj; - - if (dev_priv->card_type < NV_50) { - vfree(dev_priv->susres.ramin_copy); - dev_priv->susres.ramin_copy = NULL; - return; - } - - list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) { - if (!gpuobj->im_backing_suspend) - continue; - - vfree(gpuobj->im_backing_suspend); - gpuobj->im_backing_suspend = NULL; - } -} - -void nouveau_gpuobj_resume(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_gpuobj *gpuobj; int i; - if (dev_priv->card_type < NV_50) { - for (i = 0; i < dev_priv->ramin_rsvd_vram; i += 4) - nv_wi32(dev, i, dev_priv->susres.ramin_copy[i/4]); - nouveau_gpuobj_suspend_cleanup(dev); - return; - } - list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) { - if (!gpuobj->im_backing_suspend) + if (!gpuobj->suspend) continue; for (i = 0; i < gpuobj->size; i += 4) - nv_wo32(gpuobj, i, gpuobj->im_backing_suspend[i/4]); - dev_priv->engine.instmem.flush(dev); + nv_wo32(gpuobj, i, gpuobj->suspend[i/4]); + + vfree(gpuobj->suspend); + gpuobj->suspend = NULL; } - nouveau_gpuobj_suspend_cleanup(dev); + dev_priv->engine.instmem.flush(dev); } int nouveau_ioctl_grobj_alloc(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index 2c98eb1..1640c12 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -276,16 +276,8 @@ int nv50_instmem_suspend(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_channel *chan = dev_priv->channels.ptr[0]; - struct nouveau_gpuobj *ramin = chan->ramin; - int i; - ramin->im_backing_suspend = vmalloc(ramin->size); - if (!ramin->im_backing_suspend) - return -ENOMEM; - - for (i = 0; i < ramin->size; i += 4) - ramin->im_backing_suspend[i/4] = nv_ri32(dev, i); + dev_priv->ramin_available = false; return 0; } @@ -295,17 +287,8 @@ nv50_instmem_resume(struct drm_device *dev) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nv50_instmem_priv *priv = dev_priv->engine.instmem.priv; struct nouveau_channel *chan = dev_priv->channels.ptr[0]; - struct nouveau_gpuobj *ramin = chan->ramin; int i; - dev_priv->ramin_available = false; - dev_priv->ramin_base = ~0; - for (i = 0; i < ramin->size; i += 4) - nv_wo32(ramin, i, ramin->im_backing_suspend[i/4]); - dev_priv->ramin_available = true; - vfree(ramin->im_backing_suspend); - ramin->im_backing_suspend = NULL; - /* Poke the relevant regs, and pray it works :) */ nv_wr32(dev, NV50_PUNK_BAR_CFG_BASE, (chan->ramin->vinst >> 12)); nv_wr32(dev, NV50_PUNK_UNK1710, 0); @@ -318,6 +301,8 @@ nv50_instmem_resume(struct drm_device *dev) for (i = 0; i < 8; i++) nv_wr32(dev, 0x1900 + (i*4), 0); + + dev_priv->ramin_available = true; } int