drm/nv20: split PFB code out of nv10_fb.c
Most functions were quite different between NV10/NV20 already, and they're
about to get even more so.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv10_fb.c b/drivers/gpu/drm/nouveau/nv10_fb.c
index 447d6f2..420b1608 100644
--- a/drivers/gpu/drm/nouveau/nv10_fb.c
+++ b/drivers/gpu/drm/nouveau/nv10_fb.c
@@ -3,6 +3,38 @@
#include "nouveau_drv.h"
#include "nouveau_drm.h"
+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];
+
+ tile->addr = 0x80000000 | addr;
+ tile->limit = max(1u, addr + size) - 1;
+ tile->pitch = pitch;
+}
+
+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];
+
+ 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);
+}
+
int
nv1a_fb_vram_init(struct drm_device *dev)
{
@@ -33,124 +65,18 @@
{
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);
dev_priv->vram_size = fifo_data & NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
- if (dev_priv->card_type < NV_20) {
- u32 cfg0 = nv_rd32(dev, 0x100200);
- if (cfg0 & 0x00000001)
- dev_priv->vram_type = NV_MEM_TYPE_DDR1;
- else
- dev_priv->vram_type = NV_MEM_TYPE_SDRAM;
- }
+
+ if (cfg0 & 0x00000001)
+ dev_priv->vram_type = NV_MEM_TYPE_DDR1;
+ else
+ dev_priv->vram_type = NV_MEM_TYPE_SDRAM;
return 0;
}
-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)
{
@@ -158,14 +84,8 @@
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);
@@ -181,7 +101,4 @@
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);
}