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path: root/drivers/gpu/drm/nouveau/nv20_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv20_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv20_fb.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/drivers/gpu/drm/nouveau/nv20_fb.c b/drivers/gpu/drm/nouveau/nv20_fb.c
deleted file mode 100644
index 5fffc2150b8..00000000000
--- a/drivers/gpu/drm/nouveau/nv20_fb.c
+++ /dev/null
@@ -1,147 +0,0 @@
-#include <drm/drmP.h>
-#include "nouveau_drv.h"
-#include <drm/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 **pmem)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct drm_mm_node *mem = *pmem;
- if (mem) {
- spin_lock(&dev_priv->tile.lock);
- drm_mm_put_block(mem);
- spin_unlock(&dev_priv->tile.lock);
- *pmem = NULL;
- }
-}
-
-void
-nv20_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 = 0x00000001 | addr;
- tile->limit = max(1u, addr + size) - 1;
- tile->pitch = pitch;
-
- /* 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).
- */
- if (flags & NOUVEAU_GEM_TILE_ZETA) {
- tile->tag_mem = nv20_fb_alloc_tag(dev, size / 256);
- if (tile->tag_mem) {
- /* Enable Z compression */
- tile->zcomp = tile->tag_mem->start;
- if (dev_priv->chipset >= 0x25) {
- if (bpp == 16)
- tile->zcomp |= NV25_PFB_ZCOMP_MODE_16;
- else
- tile->zcomp |= NV25_PFB_ZCOMP_MODE_32;
- } else {
- tile->zcomp |= NV20_PFB_ZCOMP_EN;
- if (bpp != 16)
- tile->zcomp |= NV20_PFB_ZCOMP_MODE_32;
- }
- }
-
- tile->addr |= 2;
- }
-}
-
-void
-nv20_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];
-
- tile->addr = tile->limit = tile->pitch = tile->zcomp = 0;
- nv20_fb_free_tag(dev, &tile->tag_mem);
-}
-
-void
-nv20_fb_set_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];
-
- 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);
- nv_wr32(dev, NV20_PFB_ZCOMP(i), tile->zcomp);
-}
-
-int
-nv20_fb_vram_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- u32 mem_size = nv_rd32(dev, 0x10020c);
- u32 pbus1218 = nv_rd32(dev, 0x001218);
-
- dev_priv->vram_size = mem_size & 0xff000000;
- switch (pbus1218 & 0x00000300) {
- case 0x00000000: dev_priv->vram_type = NV_MEM_TYPE_SDRAM; break;
- case 0x00000100: dev_priv->vram_type = NV_MEM_TYPE_DDR1; break;
- case 0x00000200: dev_priv->vram_type = NV_MEM_TYPE_GDDR3; break;
- case 0x00000300: dev_priv->vram_type = NV_MEM_TYPE_GDDR2; break;
- }
-
- return 0;
-}
-
-int
-nv20_fb_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- int i;
-
- if (dev_priv->chipset >= 0x25)
- drm_mm_init(&pfb->tag_heap, 0, 64 * 1024);
- else
- drm_mm_init(&pfb->tag_heap, 0, 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);
-
- return 0;
-}
-
-void
-nv20_fb_takedown(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- int i;
-
- for (i = 0; i < pfb->num_tiles; i++)
- pfb->free_tile_region(dev, i);
-
- drm_mm_takedown(&pfb->tag_heap);
-}