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path: root/drivers/gpu/drm/nouveau/nv10_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv10_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv10_fb.c126
1 files changed, 43 insertions, 83 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_fb.c b/drivers/gpu/drm/nouveau/nv10_fb.c
index f78181a59b4a..420b1608536d 100644
--- a/drivers/gpu/drm/nouveau/nv10_fb.c
+++ b/drivers/gpu/drm/nouveau/nv10_fb.c
@@ -3,81 +3,16 @@
#include "nouveau_drv.h"
#include "nouveau_drm.h"
-static struct drm_mm_node *
-nv20_fb_alloc_tag(struct drm_device *dev, uint32_t size)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- struct drm_mm_node *mem;
- int ret;
-
- ret = drm_mm_pre_get(&pfb->tag_heap);
- if (ret)
- return NULL;
-
- spin_lock(&dev_priv->tile.lock);
- mem = drm_mm_search_free(&pfb->tag_heap, size, 0, 0);
- if (mem)
- mem = drm_mm_get_block_atomic(mem, size, 0);
- spin_unlock(&dev_priv->tile.lock);
-
- return mem;
-}
-
-static void
-nv20_fb_free_tag(struct drm_device *dev, struct drm_mm_node *mem)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- spin_lock(&dev_priv->tile.lock);
- drm_mm_put_block(mem);
- spin_unlock(&dev_priv->tile.lock);
-}
-
void
nv10_fb_init_tile_region(struct drm_device *dev, int i, uint32_t addr,
uint32_t size, uint32_t pitch, uint32_t flags)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
- int bpp = (flags & NOUVEAU_GEM_TILE_32BPP ? 32 : 16);
- tile->addr = addr;
+ tile->addr = 0x80000000 | addr;
tile->limit = max(1u, addr + size) - 1;
tile->pitch = pitch;
-
- if (dev_priv->card_type == NV_20) {
- if (flags & NOUVEAU_GEM_TILE_ZETA) {
- /*
- * Allocate some of the on-die tag memory,
- * used to store Z compression meta-data (most
- * likely just a bitmap determining if a given
- * tile is compressed or not).
- */
- tile->tag_mem = nv20_fb_alloc_tag(dev, size / 256);
-
- if (tile->tag_mem) {
- /* Enable Z compression */
- if (dev_priv->chipset >= 0x25)
- tile->zcomp = tile->tag_mem->start |
- (bpp == 16 ?
- NV25_PFB_ZCOMP_MODE_16 :
- NV25_PFB_ZCOMP_MODE_32);
- else
- tile->zcomp = tile->tag_mem->start |
- NV20_PFB_ZCOMP_EN |
- (bpp == 16 ? 0 :
- NV20_PFB_ZCOMP_MODE_32);
- }
-
- tile->addr |= 3;
- } else {
- tile->addr |= 1;
- }
-
- } else {
- tile->addr |= 1 << 31;
- }
}
void
@@ -86,11 +21,6 @@ nv10_fb_free_tile_region(struct drm_device *dev, int i)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
- if (tile->tag_mem) {
- nv20_fb_free_tag(dev, tile->tag_mem);
- tile->tag_mem = NULL;
- }
-
tile->addr = tile->limit = tile->pitch = tile->zcomp = 0;
}
@@ -103,9 +33,48 @@ nv10_fb_set_tile_region(struct drm_device *dev, int i)
nv_wr32(dev, NV10_PFB_TLIMIT(i), tile->limit);
nv_wr32(dev, NV10_PFB_TSIZE(i), tile->pitch);
nv_wr32(dev, NV10_PFB_TILE(i), tile->addr);
+}
+
+int
+nv1a_fb_vram_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct pci_dev *bridge;
+ uint32_t mem, mib;
+
+ bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
+ if (!bridge) {
+ NV_ERROR(dev, "no bridge device\n");
+ return 0;
+ }
+
+ if (dev_priv->chipset == 0x1a) {
+ pci_read_config_dword(bridge, 0x7c, &mem);
+ mib = ((mem >> 6) & 31) + 1;
+ } else {
+ pci_read_config_dword(bridge, 0x84, &mem);
+ mib = ((mem >> 4) & 127) + 1;
+ }
+
+ dev_priv->vram_size = mib * 1024 * 1024;
+ return 0;
+}
+
+int
+nv10_fb_vram_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ u32 fifo_data = nv_rd32(dev, NV04_PFB_FIFO_DATA);
+ u32 cfg0 = nv_rd32(dev, 0x100200);
- if (dev_priv->card_type == NV_20)
- nv_wr32(dev, NV20_PFB_ZCOMP(i), tile->zcomp);
+ dev_priv->vram_size = fifo_data & NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
+
+ if (cfg0 & 0x00000001)
+ dev_priv->vram_type = NV_MEM_TYPE_DDR1;
+ else
+ dev_priv->vram_type = NV_MEM_TYPE_SDRAM;
+
+ return 0;
}
int
@@ -115,14 +84,8 @@ nv10_fb_init(struct drm_device *dev)
struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
int i;
- pfb->num_tiles = NV10_PFB_TILE__SIZE;
-
- if (dev_priv->card_type == NV_20)
- drm_mm_init(&pfb->tag_heap, 0,
- (dev_priv->chipset >= 0x25 ?
- 64 * 1024 : 32 * 1024));
-
/* Turn all the tiling regions off. */
+ pfb->num_tiles = NV10_PFB_TILE__SIZE;
for (i = 0; i < pfb->num_tiles; i++)
pfb->set_tile_region(dev, i);
@@ -138,7 +101,4 @@ nv10_fb_takedown(struct drm_device *dev)
for (i = 0; i < pfb->num_tiles; i++)
pfb->free_tile_region(dev, i);
-
- if (dev_priv->card_type == NV_20)
- drm_mm_takedown(&pfb->tag_heap);
}