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-rw-r--r--shared-core/nouveau_drm.h2
-rw-r--r--shared-core/nouveau_drv.h13
-rw-r--r--shared-core/nouveau_fifo.c4
-rw-r--r--shared-core/nouveau_state.c170
-rw-r--r--shared-core/nv20_graph.c32
5 files changed, 206 insertions, 15 deletions
diff --git a/shared-core/nouveau_drm.h b/shared-core/nouveau_drm.h
index 4b5869ad..a99c6156 100644
--- a/shared-core/nouveau_drm.h
+++ b/shared-core/nouveau_drm.h
@@ -178,5 +178,7 @@ struct drm_nouveau_sarea {
#define DRM_NOUVEAU_MEM_ALLOC 0x08
#define DRM_NOUVEAU_MEM_FREE 0x09
#define DRM_NOUVEAU_MEM_TILE 0x0a
+#define DRM_NOUVEAU_SUSPEND 0x0b
+#define DRM_NOUVEAU_RESUME 0x0c
#endif /* __NOUVEAU_DRM_H__ */
diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h
index cd5f9cf8..a97e3e99 100644
--- a/shared-core/nouveau_drv.h
+++ b/shared-core/nouveau_drv.h
@@ -310,6 +310,14 @@ struct drm_nouveau_private {
struct nouveau_config config;
struct list_head gpuobj_list;
+
+ struct nouveau_suspend_resume {
+ uint32_t fifo_mode;
+ uint32_t graph_ctx_control;
+ uint32_t graph_state;
+ uint32_t *ramin_copy;
+ uint64_t ramin_size;
+ } susres;
};
#define NOUVEAU_CHECK_INITIALISED_WITH_RETURN do { \
@@ -344,6 +352,10 @@ extern void nouveau_wait_for_idle(struct drm_device *);
extern int nouveau_card_init(struct drm_device *);
extern int nouveau_ioctl_card_init(struct drm_device *, void *data,
struct drm_file *);
+extern int nouveau_ioctl_suspend(struct drm_device *, void *data,
+ struct drm_file *);
+extern int nouveau_ioctl_resume(struct drm_device *, void *data,
+ struct drm_file *);
/* nouveau_mem.c */
extern int nouveau_mem_init_heap(struct mem_block **, uint64_t start,
@@ -391,6 +403,7 @@ extern int nouveau_fifo_alloc(struct drm_device *dev,
struct mem_block *pushbuf,
uint32_t fb_ctxdma, uint32_t tt_ctxdma);
extern void nouveau_fifo_free(struct nouveau_channel *);
+extern int nouveau_channel_idle(struct nouveau_channel *chan);
/* nouveau_object.c */
extern int nouveau_gpuobj_early_init(struct drm_device *);
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c
index 5ec2bc3e..92ea8fc2 100644
--- a/shared-core/nouveau_fifo.c
+++ b/shared-core/nouveau_fifo.c
@@ -390,7 +390,7 @@ nouveau_fifo_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
return 0;
}
-static int
+int
nouveau_channel_idle(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
@@ -594,6 +594,8 @@ struct drm_ioctl_desc nouveau_ioctls[] = {
DRM_IOCTL_DEF(DRM_NOUVEAU_MEM_ALLOC, nouveau_ioctl_mem_alloc, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_MEM_FREE, nouveau_ioctl_mem_free, DRM_AUTH),
DRM_IOCTL_DEF(DRM_NOUVEAU_MEM_TILE, nouveau_ioctl_mem_tile, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_NOUVEAU_SUSPEND, nouveau_ioctl_suspend, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_NOUVEAU_RESUME, nouveau_ioctl_resume, DRM_AUTH),
};
int nouveau_max_ioctl = DRM_ARRAY_SIZE(nouveau_ioctls);
diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c
index d9c6efe7..85220e6e 100644
--- a/shared-core/nouveau_state.c
+++ b/shared-core/nouveau_state.c
@@ -1,5 +1,6 @@
/*
* Copyright 2005 Stephane Marchesin
+ * Copyright 2008 Stuart Bennett
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -698,3 +699,172 @@ void nouveau_wait_for_idle(struct drm_device *dev)
}
}
}
+
+static int nouveau_suspend(struct drm_device *dev)
+{
+ struct mem_block *p;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_suspend_resume *susres = &dev_priv->susres;
+ struct nouveau_engine *engine = &dev_priv->Engine;
+ int i;
+
+ drm_free(susres->ramin_copy, susres->ramin_size, DRM_MEM_DRIVER);
+ susres->ramin_size = 0;
+ list_for_each(p, dev_priv->ramin_heap)
+ if (p->file_priv && (p->start + p->size) > susres->ramin_size)
+ susres->ramin_size = p->start + p->size;
+ if (!(susres->ramin_copy = drm_alloc(susres->ramin_size, DRM_MEM_DRIVER))) {
+ DRM_ERROR("Couldn't alloc RAMIN backing for suspend\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < engine->fifo.channels; i++) {
+ uint64_t t_start = engine->timer.read(dev);
+
+ if (dev_priv->fifos[i] == NULL)
+ continue;
+
+ /* Give the channel a chance to idle, wait 2s (hopefully) */
+ while (!nouveau_channel_idle(dev_priv->fifos[i]))
+ if (engine->timer.read(dev) - t_start > 2000000000ULL) {
+ DRM_ERROR("Failed to idle channel %d before"
+ "suspend.", dev_priv->fifos[i]->id);
+ return -EBUSY;
+ }
+ }
+ nouveau_wait_for_idle(dev);
+
+ NV_WRITE(NV04_PGRAPH_FIFO, 0);
+ /* disable the fifo caches */
+ NV_WRITE(NV03_PFIFO_CACHES, 0x00000000);
+ NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH,
+ NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH) & ~1);
+ NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000000);
+ NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000000);
+
+ susres->fifo_mode = NV_READ(NV04_PFIFO_MODE);
+
+ if (dev_priv->card_type >= NV_10) {
+ susres->graph_state = NV_READ(NV10_PGRAPH_STATE);
+ susres->graph_ctx_control = NV_READ(NV10_PGRAPH_CTX_CONTROL);
+ } else {
+ susres->graph_state = NV_READ(NV04_PGRAPH_STATE);
+ susres->graph_ctx_control = NV_READ(NV04_PGRAPH_CTX_CONTROL);
+ }
+
+ engine->fifo.save_context(dev_priv->fifos[engine->fifo.channel_id(dev)]);
+ engine->graph.save_context(dev_priv->fifos[engine->fifo.channel_id(dev)]);
+ nouveau_wait_for_idle(dev);
+
+ for (i = 0; i < susres->ramin_size / 4; i++)
+ susres->ramin_copy[i] = NV_RI32(i << 2);
+
+ /* reenable the fifo caches */
+ NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH,
+ NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH) | 1);
+ NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000001);
+ NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000001);
+ NV_WRITE(NV03_PFIFO_CACHES, 0x00000001);
+ NV_WRITE(NV04_PGRAPH_FIFO, 1);
+
+ return 0;
+}
+
+static int nouveau_resume(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_suspend_resume *susres = &dev_priv->susres;
+ struct nouveau_engine *engine = &dev_priv->Engine;
+ int i;
+
+ if (!susres->ramin_copy)
+ return -EINVAL;
+
+ DRM_DEBUG("Doing resume\n");
+
+ if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
+ struct drm_agp_info info;
+ struct drm_agp_mode mode;
+
+ /* agp bridge drivers don't re-enable agp on resume. lame. */
+ if ((i = drm_agp_info(dev, &info))) {
+ DRM_ERROR("Unable to get AGP info: %d\n", i);
+ return i;
+ }
+ mode.mode = info.mode;
+ if ((i = drm_agp_enable(dev, mode))) {
+ DRM_ERROR("Unable to enable AGP: %d\n", i);
+ return i;
+ }
+ }
+
+ for (i = 0; i < susres->ramin_size / 4; i++)
+ NV_WI32(i << 2, susres->ramin_copy[i]);
+
+ engine->mc.init(dev);
+ engine->timer.init(dev);
+ engine->fb.init(dev);
+ engine->graph.init(dev);
+ engine->fifo.init(dev);
+
+ NV_WRITE(NV04_PGRAPH_FIFO, 0);
+ /* disable the fifo caches */
+ NV_WRITE(NV03_PFIFO_CACHES, 0x00000000);
+ NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH,
+ NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH) & ~1);
+ NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000000);
+ NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000000);
+
+ /* PMC power cycling PFIFO in init clobbers some of the stuff stored in
+ * PRAMIN (such as NV04_PFIFO_CACHE1_DMA_INSTANCE). this is unhelpful
+ */
+ for (i = 0; i < susres->ramin_size / 4; i++)
+ NV_WI32(i << 2, susres->ramin_copy[i]);
+
+ engine->fifo.load_context(dev_priv->fifos[0]);
+ NV_WRITE(NV04_PFIFO_MODE, susres->fifo_mode);
+
+ engine->graph.load_context(dev_priv->fifos[0]);
+ nouveau_wait_for_idle(dev);
+
+ if (dev_priv->card_type >= NV_10) {
+ NV_WRITE(NV10_PGRAPH_STATE, susres->graph_state);
+ NV_WRITE(NV10_PGRAPH_CTX_CONTROL, susres->graph_ctx_control);
+ } else {
+ NV_WRITE(NV04_PGRAPH_STATE, susres->graph_state);
+ NV_WRITE(NV04_PGRAPH_CTX_CONTROL, susres->graph_ctx_control);
+ }
+
+ /* reenable the fifo caches */
+ NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH,
+ NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH) | 1);
+ NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000001);
+ NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000001);
+ NV_WRITE(NV03_PFIFO_CACHES, 0x00000001);
+ NV_WRITE(NV04_PGRAPH_FIFO, 0x1);
+
+ if (dev->irq_enabled)
+ nouveau_irq_postinstall(dev);
+
+ drm_free(susres->ramin_copy, susres->ramin_size, DRM_MEM_DRIVER);
+ susres->ramin_copy = NULL;
+ susres->ramin_size = 0;
+
+ return 0;
+}
+
+int nouveau_ioctl_suspend(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
+
+ return nouveau_suspend(dev);
+}
+
+int nouveau_ioctl_resume(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
+
+ return nouveau_resume(dev);
+}
diff --git a/shared-core/nv20_graph.c b/shared-core/nv20_graph.c
index ad73ea91..d862debb 100644
--- a/shared-core/nv20_graph.c
+++ b/shared-core/nv20_graph.c
@@ -694,13 +694,15 @@ int nv20_graph_init(struct drm_device *dev) {
NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) |
NV_PMC_ENABLE_PGRAPH);
- /* Create Context Pointer Table */
- dev_priv->ctx_table_size = 32 * 4;
- if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0,
- dev_priv->ctx_table_size, 16,
- NVOBJ_FLAG_ZERO_ALLOC,
- &dev_priv->ctx_table)))
- return ret;
+ if (!dev_priv->ctx_table) {
+ /* Create Context Pointer Table */
+ dev_priv->ctx_table_size = 32 * 4;
+ if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0,
+ dev_priv->ctx_table_size, 16,
+ NVOBJ_FLAG_ZERO_ALLOC,
+ &dev_priv->ctx_table)))
+ return ret;
+ }
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_TABLE,
dev_priv->ctx_table->instance >> 4);
@@ -812,13 +814,15 @@ int nv30_graph_init(struct drm_device *dev)
NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) |
NV_PMC_ENABLE_PGRAPH);
- /* Create Context Pointer Table */
- dev_priv->ctx_table_size = 32 * 4;
- if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0,
- dev_priv->ctx_table_size, 16,
- NVOBJ_FLAG_ZERO_ALLOC,
- &dev_priv->ctx_table)))
- return ret;
+ if (!dev_priv->ctx_table) {
+ /* Create Context Pointer Table */
+ dev_priv->ctx_table_size = 32 * 4;
+ if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0,
+ dev_priv->ctx_table_size, 16,
+ NVOBJ_FLAG_ZERO_ALLOC,
+ &dev_priv->ctx_table)))
+ return ret;
+ }
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_TABLE,
dev_priv->ctx_table->instance >> 4);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 15:29:17 +0000