diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv20_fb.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv20_fb.c | 147 |
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); -} |