diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv04.c | 55 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv10.c | 104 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c | 148 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv30.c | 116 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c | 163 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c | 296 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nv50_vram.c | 237 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c | 135 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/nvc0_vram.c | 160 |
9 files changed, 1414 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv04.c new file mode 100644 index 0000000..d5eedd6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv04.c @@ -0,0 +1,55 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +int +nv04_fb_vram_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + u32 boot0 = nv_rd32(dev, NV04_PFB_BOOT_0); + + if (boot0 & 0x00000100) { + dev_priv->vram_size = ((boot0 >> 12) & 0xf) * 2 + 2; + dev_priv->vram_size *= 1024 * 1024; + } else { + switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) { + case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB: + dev_priv->vram_size = 32 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB: + dev_priv->vram_size = 16 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB: + dev_priv->vram_size = 8 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB: + dev_priv->vram_size = 4 * 1024 * 1024; + break; + } + } + + if ((boot0 & 0x00000038) <= 0x10) + dev_priv->vram_type = NV_MEM_TYPE_SGRAM; + else + dev_priv->vram_type = NV_MEM_TYPE_SDRAM; + + return 0; +} + +int +nv04_fb_init(struct drm_device *dev) +{ + /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows + * nvidia reading PFB_CFG_0, then writing back its original value. + * (which was 0x701114 in this case) + */ + + nv_wr32(dev, NV04_PFB_CFG0, 0x1114); + return 0; +} + +void +nv04_fb_takedown(struct drm_device *dev) +{ +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv10.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv10.c new file mode 100644 index 0000000..420b1608 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv10.c @@ -0,0 +1,104 @@ +#include "drmP.h" +#include "drm.h" +#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) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct pci_dev *bridge; + uint32_t mem, mib; + + bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1)); + if (!bridge) { + NV_ERROR(dev, "no bridge device\n"); + return 0; + } + + if (dev_priv->chipset == 0x1a) { + pci_read_config_dword(bridge, 0x7c, &mem); + mib = ((mem >> 6) & 31) + 1; + } else { + pci_read_config_dword(bridge, 0x84, &mem); + mib = ((mem >> 4) & 127) + 1; + } + + dev_priv->vram_size = mib * 1024 * 1024; + return 0; +} + +int +nv10_fb_vram_init(struct drm_device *dev) +{ + 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 (cfg0 & 0x00000001) + dev_priv->vram_type = NV_MEM_TYPE_DDR1; + else + dev_priv->vram_type = NV_MEM_TYPE_SDRAM; + + return 0; +} + +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; + + /* 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 +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); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c new file mode 100644 index 0000000..19bd640 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv20.c @@ -0,0 +1,148 @@ +#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 **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); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv30.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv30.c new file mode 100644 index 0000000..e0135f0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv30.c @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2010 Francisco Jerez. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +void +nv30_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 = addr | 1; + tile->limit = max(1u, addr + size) - 1; + tile->pitch = pitch; +} + +void +nv30_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 = 0; +} + +static int +calc_bias(struct drm_device *dev, int k, int i, int j) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + int b = (dev_priv->chipset > 0x30 ? + nv_rd32(dev, 0x122c + 0x10 * k + 0x4 * j) >> (4 * (i ^ 1)) : + 0) & 0xf; + + return 2 * (b & 0x8 ? b - 0x10 : b); +} + +static int +calc_ref(struct drm_device *dev, int l, int k, int i) +{ + int j, x = 0; + + for (j = 0; j < 4; j++) { + int m = (l >> (8 * i) & 0xff) + calc_bias(dev, k, i, j); + + x |= (0x80 | clamp(m, 0, 0x1f)) << (8 * j); + } + + return x; +} + +int +nv30_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, j; + + pfb->num_tiles = NV10_PFB_TILE__SIZE; + + /* Turn all the tiling regions off. */ + for (i = 0; i < pfb->num_tiles; i++) + pfb->set_tile_region(dev, i); + + /* Init the memory timing regs at 0x10037c/0x1003ac */ + if (dev_priv->chipset == 0x30 || + dev_priv->chipset == 0x31 || + dev_priv->chipset == 0x35) { + /* Related to ROP count */ + int n = (dev_priv->chipset == 0x31 ? 2 : 4); + int l = nv_rd32(dev, 0x1003d0); + + for (i = 0; i < n; i++) { + for (j = 0; j < 3; j++) + nv_wr32(dev, 0x10037c + 0xc * i + 0x4 * j, + calc_ref(dev, l, 0, j)); + + for (j = 0; j < 2; j++) + nv_wr32(dev, 0x1003ac + 0x8 * i + 0x4 * j, + calc_ref(dev, l, 1, j)); + } + } + + return 0; +} + +void +nv30_fb_takedown(struct drm_device *dev) +{ +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c new file mode 100644 index 0000000..7fbcb33 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c @@ -0,0 +1,163 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +void +nv40_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]; + + switch (dev_priv->chipset) { + case 0x40: + 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); + break; + + default: + nv_wr32(dev, NV40_PFB_TLIMIT(i), tile->limit); + nv_wr32(dev, NV40_PFB_TSIZE(i), tile->pitch); + nv_wr32(dev, NV40_PFB_TILE(i), tile->addr); + break; + } +} + +static void +nv40_fb_init_gart(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpuobj *gart = dev_priv->gart_info.sg_ctxdma; + + if (dev_priv->gart_info.type != NOUVEAU_GART_HW) { + nv_wr32(dev, 0x100800, 0x00000001); + return; + } + + nv_wr32(dev, 0x100800, gart->pinst | 0x00000002); + nv_mask(dev, 0x10008c, 0x00000100, 0x00000100); + nv_wr32(dev, 0x100820, 0x00000000); +} + +static void +nv44_fb_init_gart(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpuobj *gart = dev_priv->gart_info.sg_ctxdma; + u32 vinst; + + if (dev_priv->gart_info.type != NOUVEAU_GART_HW) { + nv_wr32(dev, 0x100850, 0x80000000); + nv_wr32(dev, 0x100800, 0x00000001); + return; + } + + /* calculate vram address of this PRAMIN block, object + * must be allocated on 512KiB alignment, and not exceed + * a total size of 512KiB for this to work correctly + */ + vinst = nv_rd32(dev, 0x10020c); + vinst -= ((gart->pinst >> 19) + 1) << 19; + + nv_wr32(dev, 0x100850, 0x80000000); + nv_wr32(dev, 0x100818, dev_priv->gart_info.dummy.addr); + + nv_wr32(dev, 0x100804, dev_priv->gart_info.aper_size); + nv_wr32(dev, 0x100850, 0x00008000); + nv_mask(dev, 0x10008c, 0x00000200, 0x00000200); + nv_wr32(dev, 0x100820, 0x00000000); + nv_wr32(dev, 0x10082c, 0x00000001); + nv_wr32(dev, 0x100800, vinst | 0x00000010); +} + +int +nv40_fb_vram_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + /* 0x001218 is actually present on a few other NV4X I looked at, + * and even contains sane values matching 0x100474. From looking + * at various vbios images however, this isn't the case everywhere. + * So, I chose to use the same regs I've seen NVIDIA reading around + * the memory detection, hopefully that'll get us the right numbers + */ + if (dev_priv->chipset == 0x40) { + u32 pbus1218 = nv_rd32(dev, 0x001218); + 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_DDR2; break; + } + } else + if (dev_priv->chipset == 0x49 || dev_priv->chipset == 0x4b) { + u32 pfb914 = nv_rd32(dev, 0x100914); + switch (pfb914 & 0x00000003) { + case 0x00000000: dev_priv->vram_type = NV_MEM_TYPE_DDR1; break; + case 0x00000001: dev_priv->vram_type = NV_MEM_TYPE_DDR2; break; + case 0x00000002: dev_priv->vram_type = NV_MEM_TYPE_GDDR3; break; + case 0x00000003: break; + } + } else + if (dev_priv->chipset != 0x4e) { + u32 pfb474 = nv_rd32(dev, 0x100474); + if (pfb474 & 0x00000004) + dev_priv->vram_type = NV_MEM_TYPE_GDDR3; + if (pfb474 & 0x00000002) + dev_priv->vram_type = NV_MEM_TYPE_DDR2; + if (pfb474 & 0x00000001) + dev_priv->vram_type = NV_MEM_TYPE_DDR1; + } else { + dev_priv->vram_type = NV_MEM_TYPE_STOLEN; + } + + dev_priv->vram_size = nv_rd32(dev, 0x10020c) & 0xff000000; + return 0; +} + +int +nv40_fb_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + uint32_t tmp; + int i; + + if (dev_priv->chipset != 0x40 && dev_priv->chipset != 0x45) { + if (nv44_graph_class(dev)) + nv44_fb_init_gart(dev); + else + nv40_fb_init_gart(dev); + } + + switch (dev_priv->chipset) { + case 0x40: + case 0x45: + tmp = nv_rd32(dev, NV10_PFB_CLOSE_PAGE2); + nv_wr32(dev, NV10_PFB_CLOSE_PAGE2, tmp & ~(1 << 15)); + pfb->num_tiles = NV10_PFB_TILE__SIZE; + break; + case 0x46: /* G72 */ + case 0x47: /* G70 */ + case 0x49: /* G71 */ + case 0x4b: /* G73 */ + case 0x4c: /* C51 (G7X version) */ + pfb->num_tiles = NV40_PFB_TILE__SIZE_1; + break; + default: + pfb->num_tiles = NV40_PFB_TILE__SIZE_0; + break; + } + + /* Turn all the tiling regions off. */ + for (i = 0; i < pfb->num_tiles; i++) + pfb->set_tile_region(dev, i); + + return 0; +} + +void +nv40_fb_takedown(struct drm_device *dev) +{ +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c new file mode 100644 index 0000000..3488358 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c @@ -0,0 +1,296 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" +#include <engine/fifo.h> + +struct nv50_fb_priv { + struct page *r100c08_page; + dma_addr_t r100c08; +}; + +static void +nv50_fb_destroy(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + struct nv50_fb_priv *priv = pfb->priv; + + if (drm_mm_initialized(&pfb->tag_heap)) + drm_mm_takedown(&pfb->tag_heap); + + if (priv->r100c08_page) { + pci_unmap_page(dev->pdev, priv->r100c08, PAGE_SIZE, + PCI_DMA_BIDIRECTIONAL); + __free_page(priv->r100c08_page); + } + + kfree(priv); + pfb->priv = NULL; +} + +static int +nv50_fb_create(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + struct nv50_fb_priv *priv; + u32 tagmem; + int ret; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + pfb->priv = priv; + + priv->r100c08_page = alloc_page(GFP_KERNEL | __GFP_ZERO); + if (!priv->r100c08_page) { + nv50_fb_destroy(dev); + return -ENOMEM; + } + + priv->r100c08 = pci_map_page(dev->pdev, priv->r100c08_page, 0, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + if (pci_dma_mapping_error(dev->pdev, priv->r100c08)) { + nv50_fb_destroy(dev); + return -EFAULT; + } + + tagmem = nv_rd32(dev, 0x100320); + NV_DEBUG(dev, "%d tags available\n", tagmem); + ret = drm_mm_init(&pfb->tag_heap, 0, tagmem); + if (ret) { + nv50_fb_destroy(dev); + return ret; + } + + return 0; +} + +int +nv50_fb_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv50_fb_priv *priv; + int ret; + + if (!dev_priv->engine.fb.priv) { + ret = nv50_fb_create(dev); + if (ret) + return ret; + } + priv = dev_priv->engine.fb.priv; + + /* Not a clue what this is exactly. Without pointing it at a + * scratch page, VRAM->GART blits with M2MF (as in DDX DFS) + * cause IOMMU "read from address 0" errors (rh#561267) + */ + nv_wr32(dev, 0x100c08, priv->r100c08 >> 8); + + /* This is needed to get meaningful information from 100c90 + * on traps. No idea what these values mean exactly. */ + switch (dev_priv->chipset) { + case 0x50: + nv_wr32(dev, 0x100c90, 0x000707ff); + break; + case 0xa3: + case 0xa5: + case 0xa8: + nv_wr32(dev, 0x100c90, 0x000d0fff); + break; + case 0xaf: + nv_wr32(dev, 0x100c90, 0x089d1fff); + break; + default: + nv_wr32(dev, 0x100c90, 0x001d07ff); + break; + } + + return 0; +} + +void +nv50_fb_takedown(struct drm_device *dev) +{ + nv50_fb_destroy(dev); +} + +static struct nouveau_enum vm_dispatch_subclients[] = { + { 0x00000000, "GRCTX", NULL }, + { 0x00000001, "NOTIFY", NULL }, + { 0x00000002, "QUERY", NULL }, + { 0x00000003, "COND", NULL }, + { 0x00000004, "M2M_IN", NULL }, + { 0x00000005, "M2M_OUT", NULL }, + { 0x00000006, "M2M_NOTIFY", NULL }, + {} +}; + +static struct nouveau_enum vm_ccache_subclients[] = { + { 0x00000000, "CB", NULL }, + { 0x00000001, "TIC", NULL }, + { 0x00000002, "TSC", NULL }, + {} +}; + +static struct nouveau_enum vm_prop_subclients[] = { + { 0x00000000, "RT0", NULL }, + { 0x00000001, "RT1", NULL }, + { 0x00000002, "RT2", NULL }, + { 0x00000003, "RT3", NULL }, + { 0x00000004, "RT4", NULL }, + { 0x00000005, "RT5", NULL }, + { 0x00000006, "RT6", NULL }, + { 0x00000007, "RT7", NULL }, + { 0x00000008, "ZETA", NULL }, + { 0x00000009, "LOCAL", NULL }, + { 0x0000000a, "GLOBAL", NULL }, + { 0x0000000b, "STACK", NULL }, + { 0x0000000c, "DST2D", NULL }, + {} +}; + +static struct nouveau_enum vm_pfifo_subclients[] = { + { 0x00000000, "PUSHBUF", NULL }, + { 0x00000001, "SEMAPHORE", NULL }, + {} +}; + +static struct nouveau_enum vm_bar_subclients[] = { + { 0x00000000, "FB", NULL }, + { 0x00000001, "IN", NULL }, + {} +}; + +static struct nouveau_enum vm_client[] = { + { 0x00000000, "STRMOUT", NULL }, + { 0x00000003, "DISPATCH", vm_dispatch_subclients }, + { 0x00000004, "PFIFO_WRITE", NULL }, + { 0x00000005, "CCACHE", vm_ccache_subclients }, + { 0x00000006, "PPPP", NULL }, + { 0x00000007, "CLIPID", NULL }, + { 0x00000008, "PFIFO_READ", NULL }, + { 0x00000009, "VFETCH", NULL }, + { 0x0000000a, "TEXTURE", NULL }, + { 0x0000000b, "PROP", vm_prop_subclients }, + { 0x0000000c, "PVP", NULL }, + { 0x0000000d, "PBSP", NULL }, + { 0x0000000e, "PCRYPT", NULL }, + { 0x0000000f, "PCOUNTER", NULL }, + { 0x00000011, "PDAEMON", NULL }, + {} +}; + +static struct nouveau_enum vm_engine[] = { + { 0x00000000, "PGRAPH", NULL }, + { 0x00000001, "PVP", NULL }, + { 0x00000004, "PEEPHOLE", NULL }, + { 0x00000005, "PFIFO", vm_pfifo_subclients }, + { 0x00000006, "BAR", vm_bar_subclients }, + { 0x00000008, "PPPP", NULL }, + { 0x00000009, "PBSP", NULL }, + { 0x0000000a, "PCRYPT", NULL }, + { 0x0000000b, "PCOUNTER", NULL }, + { 0x0000000c, "SEMAPHORE_BG", NULL }, + { 0x0000000d, "PCOPY", NULL }, + { 0x0000000e, "PDAEMON", NULL }, + {} +}; + +static struct nouveau_enum vm_fault[] = { + { 0x00000000, "PT_NOT_PRESENT", NULL }, + { 0x00000001, "PT_TOO_SHORT", NULL }, + { 0x00000002, "PAGE_NOT_PRESENT", NULL }, + { 0x00000003, "PAGE_SYSTEM_ONLY", NULL }, + { 0x00000004, "PAGE_READ_ONLY", NULL }, + { 0x00000006, "NULL_DMAOBJ", NULL }, + { 0x00000007, "WRONG_MEMTYPE", NULL }, + { 0x0000000b, "VRAM_LIMIT", NULL }, + { 0x0000000f, "DMAOBJ_LIMIT", NULL }, + {} +}; + +void +nv50_fb_vm_trap(struct drm_device *dev, int display) +{ + struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO); + struct drm_nouveau_private *dev_priv = dev->dev_private; + const struct nouveau_enum *en, *cl; + unsigned long flags; + u32 trap[6], idx, chinst; + u8 st0, st1, st2, st3; + int i, ch; + + idx = nv_rd32(dev, 0x100c90); + if (!(idx & 0x80000000)) + return; + idx &= 0x00ffffff; + + for (i = 0; i < 6; i++) { + nv_wr32(dev, 0x100c90, idx | i << 24); + trap[i] = nv_rd32(dev, 0x100c94); + } + nv_wr32(dev, 0x100c90, idx | 0x80000000); + + if (!display) + return; + + /* lookup channel id */ + chinst = (trap[2] << 16) | trap[1]; + spin_lock_irqsave(&dev_priv->channels.lock, flags); + for (ch = 0; ch < pfifo->channels; ch++) { + struct nouveau_channel *chan = dev_priv->channels.ptr[ch]; + + if (!chan || !chan->ramin) + continue; + + if (chinst == chan->ramin->vinst >> 12) + break; + } + spin_unlock_irqrestore(&dev_priv->channels.lock, flags); + + /* decode status bits into something more useful */ + if (dev_priv->chipset < 0xa3 || + dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) { + st0 = (trap[0] & 0x0000000f) >> 0; + st1 = (trap[0] & 0x000000f0) >> 4; + st2 = (trap[0] & 0x00000f00) >> 8; + st3 = (trap[0] & 0x0000f000) >> 12; + } else { + st0 = (trap[0] & 0x000000ff) >> 0; + st1 = (trap[0] & 0x0000ff00) >> 8; + st2 = (trap[0] & 0x00ff0000) >> 16; + st3 = (trap[0] & 0xff000000) >> 24; + } + + NV_INFO(dev, "VM: trapped %s at 0x%02x%04x%04x on ch %d [0x%08x] ", + (trap[5] & 0x00000100) ? "read" : "write", + trap[5] & 0xff, trap[4] & 0xffff, trap[3] & 0xffff, ch, chinst); + + en = nouveau_enum_find(vm_engine, st0); + if (en) + printk("%s/", en->name); + else + printk("%02x/", st0); + + cl = nouveau_enum_find(vm_client, st2); + if (cl) + printk("%s/", cl->name); + else + printk("%02x/", st2); + + if (cl && cl->data) cl = nouveau_enum_find(cl->data, st3); + else if (en && en->data) cl = nouveau_enum_find(en->data, st3); + else cl = NULL; + if (cl) + printk("%s", cl->name); + else + printk("%02x", st3); + + printk(" reason: "); + en = nouveau_enum_find(vm_fault, st1); + if (en) + printk("%s\n", en->name); + else + printk("0x%08x\n", st1); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50_vram.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50_vram.c new file mode 100644 index 0000000..029274b --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50_vram.c @@ -0,0 +1,237 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" +#include "nouveau_drv.h" +#include <core/mm.h> + +static int types[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, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 2, 2, 2, 2, + 1, 0, 2, 0, 1, 0, 2, 0, 1, 1, 2, 2, 1, 1, 0, 0 +}; + +bool +nv50_vram_flags_valid(struct drm_device *dev, u32 tile_flags) +{ + int type = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8; + + if (likely(type < ARRAY_SIZE(types) && types[type])) + return true; + return false; +} + +void +nv50_vram_del(struct drm_device *dev, struct nouveau_mem **pmem) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_mm *mm = &dev_priv->engine.vram.mm; + struct nouveau_mm_node *this; + struct nouveau_mem *mem; + + mem = *pmem; + *pmem = NULL; + if (unlikely(mem == NULL)) + return; + + mutex_lock(&mm->mutex); + while (!list_empty(&mem->regions)) { + this = list_first_entry(&mem->regions, struct nouveau_mm_node, rl_entry); + + list_del(&this->rl_entry); + nouveau_mm_put(mm, this); + } + + if (mem->tag) { + drm_mm_put_block(mem->tag); + mem->tag = NULL; + } + mutex_unlock(&mm->mutex); + + kfree(mem); +} + +int +nv50_vram_new(struct drm_device *dev, u64 size, u32 align, u32 size_nc, + u32 memtype, struct nouveau_mem **pmem) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_mm *mm = &dev_priv->engine.vram.mm; + struct nouveau_mm_node *r; + struct nouveau_mem *mem; + int comp = (memtype & 0x300) >> 8; + int type = (memtype & 0x07f); + int ret; + + if (!types[type]) + return -EINVAL; + size >>= 12; + align >>= 12; + size_nc >>= 12; + + mem = kzalloc(sizeof(*mem), GFP_KERNEL); + if (!mem) + return -ENOMEM; + + mutex_lock(&mm->mutex); + if (comp) { + if (align == 16) { + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + int n = (size >> 4) * comp; + + mem->tag = drm_mm_search_free(&pfb->tag_heap, n, 0, 0); + if (mem->tag) + mem->tag = drm_mm_get_block(mem->tag, n, 0); + } + + if (unlikely(!mem->tag)) + comp = 0; + } + + INIT_LIST_HEAD(&mem->regions); + mem->dev = dev_priv->dev; + mem->memtype = (comp << 7) | type; + mem->size = size; + + do { + ret = nouveau_mm_get(mm, types[type], size, size_nc, align, &r); + if (ret) { + mutex_unlock(&mm->mutex); + nv50_vram_del(dev, &mem); + return ret; + } + + list_add_tail(&r->rl_entry, &mem->regions); + size -= r->length; + } while (size); + mutex_unlock(&mm->mutex); + + r = list_first_entry(&mem->regions, struct nouveau_mm_node, rl_entry); + mem->offset = (u64)r->offset << 12; + *pmem = mem; + return 0; +} + +static u32 +nv50_vram_rblock(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + int i, parts, colbits, rowbitsa, rowbitsb, banks; + u64 rowsize, predicted; + u32 r0, r4, rt, ru, rblock_size; + + r0 = nv_rd32(dev, 0x100200); + r4 = nv_rd32(dev, 0x100204); + rt = nv_rd32(dev, 0x100250); + ru = nv_rd32(dev, 0x001540); + NV_DEBUG(dev, "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 != dev_priv->vram_size) { + NV_WARN(dev, "memory controller reports %dMiB VRAM\n", + (u32)(dev_priv->vram_size >> 20)); + NV_WARN(dev, "we calculated %dMiB VRAM\n", + (u32)(predicted >> 20)); + } + + rblock_size = rowsize; + if (rt & 1) + rblock_size *= 3; + + NV_DEBUG(dev, "rblock %d bytes\n", rblock_size); + return rblock_size; +} + +int +nv50_vram_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_vram_engine *vram = &dev_priv->engine.vram; + const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */ + const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */ + u32 pfb714 = nv_rd32(dev, 0x100714); + u32 rblock, length; + + switch (pfb714 & 0x00000007) { + case 0: dev_priv->vram_type = NV_MEM_TYPE_DDR1; break; + case 1: + if (nouveau_mem_vbios_type(dev) == NV_MEM_TYPE_DDR3) + dev_priv->vram_type = NV_MEM_TYPE_DDR3; + else + dev_priv->vram_type = NV_MEM_TYPE_DDR2; + break; + case 2: dev_priv->vram_type = NV_MEM_TYPE_GDDR3; break; + case 3: dev_priv->vram_type = NV_MEM_TYPE_GDDR4; break; + case 4: dev_priv->vram_type = NV_MEM_TYPE_GDDR5; break; + default: + break; + } + + dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x100200) & 0x4); + dev_priv->vram_size = nv_rd32(dev, 0x10020c); + dev_priv->vram_size |= (dev_priv->vram_size & 0xff) << 32; + dev_priv->vram_size &= 0xffffffff00ULL; + + /* IGPs, no funky reordering happens here, they don't have VRAM */ + if (dev_priv->chipset == 0xaa || + dev_priv->chipset == 0xac || + dev_priv->chipset == 0xaf) { + dev_priv->vram_sys_base = (u64)nv_rd32(dev, 0x100e10) << 12; + rblock = 4096 >> 12; + } else { + rblock = nv50_vram_rblock(dev) >> 12; + } + + length = (dev_priv->vram_size >> 12) - rsvd_head - rsvd_tail; + + return nouveau_mm_init(&vram->mm, rsvd_head, length, rblock); +} + +void +nv50_vram_fini(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_vram_engine *vram = &dev_priv->engine.vram; + + nouveau_mm_fini(&vram->mm); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c new file mode 100644 index 0000000..f376c39 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c @@ -0,0 +1,135 @@ +/* + * Copyright 2011 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +struct nvc0_fb_priv { + struct page *r100c10_page; + dma_addr_t r100c10; +}; + +static inline void +nvc0_mfb_subp_isr(struct drm_device *dev, int unit, int subp) +{ + u32 subp_base = 0x141000 + (unit * 0x2000) + (subp * 0x400); + u32 stat = nv_rd32(dev, subp_base + 0x020); + + if (stat) { + NV_INFO(dev, "PMFB%d_SUBP%d: 0x%08x\n", unit, subp, stat); + nv_wr32(dev, subp_base + 0x020, stat); + } +} + +static void +nvc0_mfb_isr(struct drm_device *dev) +{ + u32 units = nv_rd32(dev, 0x00017c); + while (units) { + u32 subp, unit = ffs(units) - 1; + for (subp = 0; subp < 2; subp++) + nvc0_mfb_subp_isr(dev, unit, subp); + units &= ~(1 << unit); + } + + /* we do something horribly wrong and upset PMFB a lot, so mask off + * interrupts from it after the first one until it's fixed + */ + nv_mask(dev, 0x000640, 0x02000000, 0x00000000); +} + +static void +nvc0_fb_destroy(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + struct nvc0_fb_priv *priv = pfb->priv; + + nouveau_irq_unregister(dev, 25); + + if (priv->r100c10_page) { + pci_unmap_page(dev->pdev, priv->r100c10, PAGE_SIZE, + PCI_DMA_BIDIRECTIONAL); + __free_page(priv->r100c10_page); + } + + kfree(priv); + pfb->priv = NULL; +} + +static int +nvc0_fb_create(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; + struct nvc0_fb_priv *priv; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + pfb->priv = priv; + + priv->r100c10_page = alloc_page(GFP_KERNEL | __GFP_ZERO); + if (!priv->r100c10_page) { + nvc0_fb_destroy(dev); + return -ENOMEM; + } + + priv->r100c10 = pci_map_page(dev->pdev, priv->r100c10_page, 0, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + if (pci_dma_mapping_error(dev->pdev, priv->r100c10)) { + nvc0_fb_destroy(dev); + return -EFAULT; + } + + nouveau_irq_register(dev, 25, nvc0_mfb_isr); + return 0; +} + +int +nvc0_fb_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nvc0_fb_priv *priv; + int ret; + + if (!dev_priv->engine.fb.priv) { + ret = nvc0_fb_create(dev); + if (ret) + return ret; + } + priv = dev_priv->engine.fb.priv; + + nv_wr32(dev, 0x100c10, priv->r100c10 >> 8); + nv_mask(dev, 0x17e820, 0x00100000, 0x00000000); /* NV_PLTCG_INTR_EN */ + return 0; +} + +void +nvc0_fb_takedown(struct drm_device *dev) +{ + nvc0_fb_destroy(dev); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0_vram.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0_vram.c new file mode 100644 index 0000000..8bb86e5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0_vram.c @@ -0,0 +1,160 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" +#include "nouveau_drv.h" +#include <core/mm.h> + +/* 0 = unsupported + * 1 = non-compressed + * 3 = compressed + */ +static const u8 types[256] = { + 1, 1, 3, 3, 3, 3, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, + 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 1, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, + 3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 3, + 3, 0, 3, 3, 3, 3, 3, 0, 0, 3, 0, 3, 0, 3, 3, 0, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 1, 1, 0 +}; + +bool +nvc0_vram_flags_valid(struct drm_device *dev, u32 tile_flags) +{ + u8 memtype = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8; + return likely((types[memtype] == 1)); +} + +int +nvc0_vram_new(struct drm_device *dev, u64 size, u32 align, u32 ncmin, + u32 type, struct nouveau_mem **pmem) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_mm *mm = &dev_priv->engine.vram.mm; + struct nouveau_mm_node *r; + struct nouveau_mem *mem; + int ret; + + size >>= 12; + align >>= 12; + ncmin >>= 12; + + mem = kzalloc(sizeof(*mem), GFP_KERNEL); + if (!mem) + return -ENOMEM; + + INIT_LIST_HEAD(&mem->regions); + mem->dev = dev_priv->dev; + mem->memtype = (type & 0xff); + mem->size = size; + + mutex_lock(&mm->mutex); + do { + ret = nouveau_mm_get(mm, 1, size, ncmin, align, &r); + if (ret) { + mutex_unlock(&mm->mutex); + nv50_vram_del(dev, &mem); + return ret; + } + + list_add_tail(&r->rl_entry, &mem->regions); + size -= r->length; + } while (size); + mutex_unlock(&mm->mutex); + + r = list_first_entry(&mem->regions, struct nouveau_mm_node, rl_entry); + mem->offset = (u64)r->offset << 12; + *pmem = mem; + return 0; +} + +int +nvc0_vram_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_vram_engine *vram = &dev_priv->engine.vram; + const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */ + const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */ + u32 parts = nv_rd32(dev, 0x022438); + u32 pmask = nv_rd32(dev, 0x022554); + u32 bsize = nv_rd32(dev, 0x10f20c); + u32 offset, length; + bool uniform = true; + int ret, part; + + NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800)); + NV_DEBUG(dev, "parts 0x%08x mask 0x%08x\n", parts, pmask); + + dev_priv->vram_type = nouveau_mem_vbios_type(dev); + dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x10f200) & 0x00000004); + + /* read amount of vram attached to each memory controller */ + for (part = 0; part < parts; part++) { + if (!(pmask & (1 << part))) { + u32 psize = nv_rd32(dev, 0x11020c + (part * 0x1000)); + if (psize != bsize) { + if (psize < bsize) + bsize = psize; + uniform = false; + } + + NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize); + dev_priv->vram_size += (u64)psize << 20; + } + } + + /* if all controllers have the same amount attached, there's no holes */ + if (uniform) { + offset = rsvd_head; + length = (dev_priv->vram_size >> 12) - rsvd_head - rsvd_tail; + return nouveau_mm_init(&vram->mm, offset, length, 1); + } + + /* otherwise, address lowest common amount from 0GiB */ + ret = nouveau_mm_init(&vram->mm, rsvd_head, (bsize << 8) * parts, 1); + if (ret) + return ret; + + /* and the rest starting from (8GiB + common_size) */ + offset = (0x0200000000ULL >> 12) + (bsize << 8); + length = (dev_priv->vram_size >> 12) - (bsize << 8) - rsvd_tail; + + ret = nouveau_mm_init(&vram->mm, offset, length, 0); + if (ret) { + nouveau_mm_fini(&vram->mm); + return ret; + } + + return 0; +} |
