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Diffstat (limited to 'shared-core/nouveau_mem.c')
-rw-r--r--shared-core/nouveau_mem.c190
1 files changed, 109 insertions, 81 deletions
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c
index 2b2418fb..7a923e17 100644
--- a/shared-core/nouveau_mem.c
+++ b/shared-core/nouveau_mem.c
@@ -209,12 +209,11 @@ void nouveau_mem_takedown(struct mem_block **heap)
void nouveau_mem_close(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+
nouveau_mem_takedown(&dev_priv->agp_heap);
nouveau_mem_takedown(&dev_priv->fb_heap);
- if ( dev_priv->pci_heap )
- {
+ if (dev_priv->pci_heap)
nouveau_mem_takedown(&dev_priv->pci_heap);
- }
}
/* returns the amount of FB ram in bytes */
@@ -253,6 +252,7 @@ uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
}
break;
case NV_10:
+ case NV_11:
case NV_17:
case NV_20:
case NV_30:
@@ -281,93 +281,68 @@ uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
return 0;
}
-
-
-int nouveau_mem_init(struct drm_device *dev)
+static int
+nouveau_mem_init_agp(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t fb_size;
- drm_scatter_gather_t sgreq;
- dev_priv->agp_phys=0;
- dev_priv->fb_phys=0;
- sgreq . size = 4 << 20; //4MB of PCI scatter-gather zone
-
- /* init AGP */
- dev_priv->agp_heap=NULL;
- if (drm_device_is_agp(dev))
- {
- int err;
- drm_agp_info_t info;
- drm_agp_mode_t mode;
- drm_agp_buffer_t agp_req;
- drm_agp_binding_t bind_req;
-
- err = drm_agp_acquire(dev);
- if (err) {
- DRM_ERROR("Unable to acquire AGP: %d\n", err);
- goto no_agp;
- }
-
- err = drm_agp_info(dev, &info);
- if (err) {
- DRM_ERROR("Unable to get AGP info: %d\n", err);
- goto no_agp;
- }
-
- /* see agp.h for the AGPSTAT_* modes available */
- mode.mode = info.mode;
- err = drm_agp_enable(dev, mode);
- if (err) {
- DRM_ERROR("Unable to enable AGP: %d\n", err);
- goto no_agp;
- }
-
- agp_req.size = info.aperture_size;
- agp_req.type = 0;
- err = drm_agp_alloc(dev, &agp_req);
- if (err) {
- DRM_ERROR("Unable to alloc AGP: %d\n", err);
- goto no_agp;
- }
+ struct drm_agp_info info;
+ struct drm_agp_mode mode;
+ struct drm_agp_buffer agp_req;
+ struct drm_agp_binding bind_req;
+ int ret;
+
+ ret = drm_agp_acquire(dev);
+ if (ret) {
+ DRM_ERROR("Unable to acquire AGP: %d\n", ret);
+ return ret;
+ }
- bind_req.handle = agp_req.handle;
- bind_req.offset = 0;
- err = drm_agp_bind(dev, &bind_req);
- if (err) {
- DRM_ERROR("Unable to bind AGP: %d\n", err);
- goto no_agp;
- }
+ ret = drm_agp_info(dev, &info);
+ if (ret) {
+ DRM_ERROR("Unable to get AGP info: %d\n", ret);
+ return ret;
+ }
- if (nouveau_mem_init_heap(&dev_priv->agp_heap,
- 0, info.aperture_size))
- goto no_agp;
+ /* see agp.h for the AGPSTAT_* modes available */
+ mode.mode = info.mode;
+ ret = drm_agp_enable(dev, mode);
+ if (ret) {
+ DRM_ERROR("Unable to enable AGP: %d\n", ret);
+ return ret;
+ }
- dev_priv->agp_phys = info.aperture_base;
- dev_priv->agp_available_size = info.aperture_size;
- goto have_agp;
+ agp_req.size = info.aperture_size;
+ agp_req.type = 0;
+ ret = drm_agp_alloc(dev, &agp_req);
+ if (ret) {
+ DRM_ERROR("Unable to alloc AGP: %d\n", ret);
+ return ret;
}
-no_agp:
+ bind_req.handle = agp_req.handle;
+ bind_req.offset = 0;
+ ret = drm_agp_bind(dev, &bind_req);
+ if (ret) {
+ DRM_ERROR("Unable to bind AGP: %d\n", ret);
+ return ret;
+ }
- if ( dev_priv->card_type >= NV_50 ) goto no_pci;
+ dev_priv->gart_info.type = NOUVEAU_GART_AGP;
+ dev_priv->gart_info.aper_base = info.aperture_base;
+ dev_priv->gart_info.aper_size = info.aperture_size;
+ return 0;
+}
- dev_priv->pci_heap = NULL;
- DRM_DEBUG("Allocating sg memory for PCI DMA\n");
- if ( drm_sg_alloc(dev, &sgreq) )
- {
- DRM_ERROR("Unable to allocate 4MB of scatter-gather pages for PCI DMA!");
- goto no_pci;
- }
+int nouveau_mem_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ uint32_t fb_size;
+ int ret = 0;
- if ( nouveau_mem_init_heap(&dev_priv->pci_heap, 0,
- dev->sg->pages * PAGE_SIZE))
- {
- DRM_ERROR("Unable to initialize pci_heap!");
- goto no_pci;
- }
+ dev_priv->agp_heap = dev_priv->pci_heap = dev_priv->fb_heap = NULL;
+ dev_priv->fb_phys = 0;
+ dev_priv->gart_info.type = NOUVEAU_GART_NONE;
-no_pci:
-have_agp:
/* setup a mtrr over the FB */
dev_priv->fb_mtrr = drm_mtrr_add(drm_get_resource_start(dev, 1),
nouveau_mem_fb_amount(dev),
@@ -398,6 +373,54 @@ have_agp:
dev_priv->fb_nomap_heap=NULL;
}
+ /* Init AGP / NV50 PCIEGART */
+ if (drm_device_is_agp(dev) && dev->agp) {
+ if ((ret = nouveau_mem_init_agp(dev)))
+ DRM_ERROR("Error initialising AGP: %d\n", ret);
+ }
+
+ /*Note: this is *not* just NV50 code, but only used on NV50 for now */
+ if (dev_priv->gart_info.type == NOUVEAU_GART_NONE &&
+ dev_priv->card_type >= NV_50) {
+ ret = nouveau_sgdma_init(dev);
+ if (!ret) {
+ ret = nouveau_sgdma_nottm_hack_init(dev);
+ if (ret)
+ nouveau_sgdma_takedown(dev);
+ }
+
+ if (ret)
+ DRM_ERROR("Error initialising SG DMA: %d\n", ret);
+ }
+
+ if (dev_priv->gart_info.type != NOUVEAU_GART_NONE) {
+ if (nouveau_mem_init_heap(&dev_priv->agp_heap,
+ 0, dev_priv->gart_info.aper_size)) {
+ if (dev_priv->gart_info.type == NOUVEAU_GART_SGDMA) {
+ nouveau_sgdma_nottm_hack_takedown(dev);
+ nouveau_sgdma_takedown(dev);
+ }
+ }
+ }
+
+ /* NV04-NV40 PCIEGART */
+ if (!dev_priv->agp_heap && dev_priv->card_type < NV_50) {
+ struct drm_scatter_gather sgreq;
+
+ DRM_DEBUG("Allocating sg memory for PCI DMA\n");
+ sgreq.size = 4 << 20; //4MB of PCI scatter-gather zone
+
+ if (drm_sg_alloc(dev, &sgreq)) {
+ DRM_ERROR("Unable to allocate 4MB of scatter-gather"
+ " pages for PCI DMA!");
+ } else {
+ if (nouveau_mem_init_heap(&dev_priv->pci_heap, 0,
+ dev->sg->pages * PAGE_SIZE)) {
+ DRM_ERROR("Unable to initialize pci_heap!");
+ }
+ }
+ }
+
return 0;
}
@@ -468,13 +491,18 @@ alloc_ok:
if (flags&NOUVEAU_MEM_MAPPED)
{
- drm_map_list_t *entry;
+ struct drm_map_list *entry;
int ret = 0;
block->flags|=NOUVEAU_MEM_MAPPED;
- if (type == NOUVEAU_MEM_AGP)
+ if (type == NOUVEAU_MEM_AGP) {
+ if (dev_priv->gart_info.type != NOUVEAU_GART_SGDMA)
ret = drm_addmap(dev, block->start, block->size,
_DRM_AGP, 0, &block->map);
+ else
+ ret = drm_addmap(dev, block->start, block->size,
+ _DRM_SCATTER_GATHER, 0, &block->map);
+ }
else if (type == NOUVEAU_MEM_FB)
ret = drm_addmap(dev, block->start + dev_priv->fb_phys,
block->size, _DRM_FRAME_BUFFER,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 14:39:29 +0000