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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.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/gpu/drm/nouveau/nv10_fb.c b/drivers/gpu/drm/nouveau/nv10_fb.c
deleted file mode 100644
index f78181a59b4..00000000000
--- a/drivers/gpu/drm/nouveau/nv10_fb.c
+++ /dev/null
@@ -1,144 +0,0 @@
-#include "drmP.h"
-#include "drm.h"
-#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->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
-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;
-}
-
-void
-nv10_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);
-
- if (dev_priv->card_type == NV_20)
- nv_wr32(dev, NV20_PFB_ZCOMP(i), tile->zcomp);
-}
-
-int
-nv10_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;
-
- 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. */
- for (i = 0; i < pfb->num_tiles; i++)
- pfb->set_tile_region(dev, i);
-
- return 0;
-}
-
-void
-nv10_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);
-
- if (dev_priv->card_type == NV_20)
- drm_mm_takedown(&pfb->tag_heap);
-}