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path: root/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c199
1 files changed, 6 insertions, 193 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
index 0772ec978165..da614ec5564b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
@@ -27,7 +27,7 @@
#include <core/engctx.h>
#include <core/object.h>
-#include <subdev/fb.h>
+#include "priv.h"
#include <subdev/bios.h>
struct nv50_fb_priv {
@@ -36,7 +36,8 @@ struct nv50_fb_priv {
dma_addr_t r100c08;
};
-static int types[0x80] = {
+int
+nv50_fb_memtype[0x80] = {
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 2, 2, 2, 2, 2, 0,
@@ -50,192 +51,7 @@ static int types[0x80] = {
static bool
nv50_fb_memtype_valid(struct nouveau_fb *pfb, u32 memtype)
{
- return types[(memtype & 0xff00) >> 8] != 0;
-}
-
-static u32
-nv50_fb_vram_rblock(struct nouveau_fb *pfb)
-{
- int i, parts, colbits, rowbitsa, rowbitsb, banks;
- u64 rowsize, predicted;
- u32 r0, r4, rt, ru, rblock_size;
-
- r0 = nv_rd32(pfb, 0x100200);
- r4 = nv_rd32(pfb, 0x100204);
- rt = nv_rd32(pfb, 0x100250);
- ru = nv_rd32(pfb, 0x001540);
- nv_debug(pfb, "memcfg 0x%08x 0x%08x 0x%08x 0x%08x\n", r0, r4, rt, ru);
-
- for (i = 0, parts = 0; i < 8; i++) {
- if (ru & (0x00010000 << i))
- parts++;
- }
-
- colbits = (r4 & 0x0000f000) >> 12;
- rowbitsa = ((r4 & 0x000f0000) >> 16) + 8;
- rowbitsb = ((r4 & 0x00f00000) >> 20) + 8;
- banks = 1 << (((r4 & 0x03000000) >> 24) + 2);
-
- rowsize = parts * banks * (1 << colbits) * 8;
- predicted = rowsize << rowbitsa;
- if (r0 & 0x00000004)
- predicted += rowsize << rowbitsb;
-
- if (predicted != pfb->ram.size) {
- nv_warn(pfb, "memory controller reports %d MiB VRAM\n",
- (u32)(pfb->ram.size >> 20));
- }
-
- rblock_size = rowsize;
- if (rt & 1)
- rblock_size *= 3;
-
- nv_debug(pfb, "rblock %d bytes\n", rblock_size);
- return rblock_size;
-}
-
-static int
-nv50_fb_vram_init(struct nouveau_fb *pfb)
-{
- struct nouveau_device *device = nv_device(pfb);
- struct nouveau_bios *bios = nouveau_bios(device);
- const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */
- const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */
- u32 size, tags = 0;
- int ret;
-
- pfb->ram.size = nv_rd32(pfb, 0x10020c);
- pfb->ram.size = (pfb->ram.size & 0xffffff00) |
- ((pfb->ram.size & 0x000000ff) << 32);
-
- size = (pfb->ram.size >> 12) - rsvd_head - rsvd_tail;
- switch (device->chipset) {
- case 0xaa:
- case 0xac:
- case 0xaf: /* IGPs, no reordering, no real VRAM */
- ret = nouveau_mm_init(&pfb->vram, rsvd_head, size, 1);
- if (ret)
- return ret;
-
- pfb->ram.type = NV_MEM_TYPE_STOLEN;
- pfb->ram.stolen = (u64)nv_rd32(pfb, 0x100e10) << 12;
- break;
- default:
- switch (nv_rd32(pfb, 0x100714) & 0x00000007) {
- case 0: pfb->ram.type = NV_MEM_TYPE_DDR1; break;
- case 1:
- if (nouveau_fb_bios_memtype(bios) == NV_MEM_TYPE_DDR3)
- pfb->ram.type = NV_MEM_TYPE_DDR3;
- else
- pfb->ram.type = NV_MEM_TYPE_DDR2;
- break;
- case 2: pfb->ram.type = NV_MEM_TYPE_GDDR3; break;
- case 3: pfb->ram.type = NV_MEM_TYPE_GDDR4; break;
- case 4: pfb->ram.type = NV_MEM_TYPE_GDDR5; break;
- default:
- break;
- }
-
- ret = nouveau_mm_init(&pfb->vram, rsvd_head, size,
- nv50_fb_vram_rblock(pfb) >> 12);
- if (ret)
- return ret;
-
- pfb->ram.ranks = (nv_rd32(pfb, 0x100200) & 0x4) ? 2 : 1;
- tags = nv_rd32(pfb, 0x100320);
- break;
- }
-
- return tags;
-}
-
-static int
-nv50_fb_vram_new(struct nouveau_fb *pfb, u64 size, u32 align, u32 ncmin,
- u32 memtype, struct nouveau_mem **pmem)
-{
- struct nv50_fb_priv *priv = (void *)pfb;
- struct nouveau_mm *heap = &priv->base.vram;
- struct nouveau_mm *tags = &priv->base.tags;
- struct nouveau_mm_node *r;
- struct nouveau_mem *mem;
- int comp = (memtype & 0x300) >> 8;
- int type = (memtype & 0x07f);
- int back = (memtype & 0x800);
- int min, max, ret;
-
- max = (size >> 12);
- min = ncmin ? (ncmin >> 12) : max;
- align >>= 12;
-
- mem = kzalloc(sizeof(*mem), GFP_KERNEL);
- if (!mem)
- return -ENOMEM;
-
- mutex_lock(&pfb->base.mutex);
- if (comp) {
- if (align == 16) {
- int n = (max >> 4) * comp;
-
- ret = nouveau_mm_head(tags, 1, n, n, 1, &mem->tag);
- if (ret)
- mem->tag = NULL;
- }
-
- if (unlikely(!mem->tag))
- comp = 0;
- }
-
- INIT_LIST_HEAD(&mem->regions);
- mem->memtype = (comp << 7) | type;
- mem->size = max;
-
- type = types[type];
- do {
- if (back)
- ret = nouveau_mm_tail(heap, type, max, min, align, &r);
- else
- ret = nouveau_mm_head(heap, type, max, min, align, &r);
- if (ret) {
- mutex_unlock(&pfb->base.mutex);
- pfb->ram.put(pfb, &mem);
- return ret;
- }
-
- list_add_tail(&r->rl_entry, &mem->regions);
- max -= r->length;
- } while (max);
- mutex_unlock(&pfb->base.mutex);
-
- r = list_first_entry(&mem->regions, struct nouveau_mm_node, rl_entry);
- mem->offset = (u64)r->offset << 12;
- *pmem = mem;
- return 0;
-}
-
-void
-nv50_fb_vram_del(struct nouveau_fb *pfb, struct nouveau_mem **pmem)
-{
- struct nv50_fb_priv *priv = (void *)pfb;
- struct nouveau_mm_node *this;
- struct nouveau_mem *mem;
-
- mem = *pmem;
- *pmem = NULL;
- if (unlikely(mem == NULL))
- return;
-
- mutex_lock(&pfb->base.mutex);
- while (!list_empty(&mem->regions)) {
- this = list_first_entry(&mem->regions, typeof(*this), rl_entry);
-
- list_del(&this->rl_entry);
- nouveau_mm_free(&priv->base.vram, &this);
- }
-
- nouveau_mm_free(&priv->base.tags, &mem->tag);
- mutex_unlock(&pfb->base.mutex);
-
- kfree(mem);
+ return nv50_fb_memtype[(memtype & 0xff00) >> 8] != 0;
}
static const struct nouveau_enum vm_dispatch_subclients[] = {
@@ -432,7 +248,7 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nv50_fb_priv *priv;
int ret;
- ret = nouveau_fb_create(parent, engine, oclass, &priv);
+ ret = nouveau_fb_create(parent, engine, oclass, &nv50_ram_oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
@@ -449,11 +265,8 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
}
priv->base.memtype_valid = nv50_fb_memtype_valid;
- priv->base.ram.init = nv50_fb_vram_init;
- priv->base.ram.get = nv50_fb_vram_new;
- priv->base.ram.put = nv50_fb_vram_del;
nv_subdev(priv)->intr = nv50_fb_intr;
- return nouveau_fb_preinit(&priv->base);
+ return 0;
}
static void
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 06:04:38 +0000