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path: root/drivers/gpu/drm/nouveau/nouveau_mem.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_mem.c668
1 files changed, 0 insertions, 668 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
deleted file mode 100644
index 8f3a12f614e..00000000000
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/*
- * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
- * Copyright 2005 Stephane Marchesin
- *
- * The Weather Channel (TM) funded Tungsten Graphics to develop the
- * initial release of the Radeon 8500 driver under the XFree86 license.
- * This notice must be preserved.
- *
- * 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 AUTHORS AND/OR THEIR 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.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "drmP.h"
-#include "drm.h"
-#include "drm_sarea.h"
-#include "nouveau_drv.h"
-
-static struct mem_block *
-split_block(struct mem_block *p, uint64_t start, uint64_t size,
- struct drm_file *file_priv)
-{
- /* Maybe cut off the start of an existing block */
- if (start > p->start) {
- struct mem_block *newblock =
- kmalloc(sizeof(*newblock), GFP_KERNEL);
- if (!newblock)
- goto out;
- newblock->start = start;
- newblock->size = p->size - (start - p->start);
- newblock->file_priv = NULL;
- newblock->next = p->next;
- newblock->prev = p;
- p->next->prev = newblock;
- p->next = newblock;
- p->size -= newblock->size;
- p = newblock;
- }
-
- /* Maybe cut off the end of an existing block */
- if (size < p->size) {
- struct mem_block *newblock =
- kmalloc(sizeof(*newblock), GFP_KERNEL);
- if (!newblock)
- goto out;
- newblock->start = start + size;
- newblock->size = p->size - size;
- newblock->file_priv = NULL;
- newblock->next = p->next;
- newblock->prev = p;
- p->next->prev = newblock;
- p->next = newblock;
- p->size = size;
- }
-
-out:
- /* Our block is in the middle */
- p->file_priv = file_priv;
- return p;
-}
-
-struct mem_block *
-nouveau_mem_alloc_block(struct mem_block *heap, uint64_t size,
- int align2, struct drm_file *file_priv, int tail)
-{
- struct mem_block *p;
- uint64_t mask = (1 << align2) - 1;
-
- if (!heap)
- return NULL;
-
- if (tail) {
- list_for_each_prev(p, heap) {
- uint64_t start = ((p->start + p->size) - size) & ~mask;
-
- if (p->file_priv == NULL && start >= p->start &&
- start + size <= p->start + p->size)
- return split_block(p, start, size, file_priv);
- }
- } else {
- list_for_each(p, heap) {
- uint64_t start = (p->start + mask) & ~mask;
-
- if (p->file_priv == NULL &&
- start + size <= p->start + p->size)
- return split_block(p, start, size, file_priv);
- }
- }
-
- return NULL;
-}
-
-void nouveau_mem_free_block(struct mem_block *p)
-{
- p->file_priv = NULL;
-
- /* Assumes a single contiguous range. Needs a special file_priv in
- * 'heap' to stop it being subsumed.
- */
- if (p->next->file_priv == NULL) {
- struct mem_block *q = p->next;
- p->size += q->size;
- p->next = q->next;
- p->next->prev = p;
- kfree(q);
- }
-
- if (p->prev->file_priv == NULL) {
- struct mem_block *q = p->prev;
- q->size += p->size;
- q->next = p->next;
- q->next->prev = q;
- kfree(p);
- }
-}
-
-/* Initialize. How to check for an uninitialized heap?
- */
-int nouveau_mem_init_heap(struct mem_block **heap, uint64_t start,
- uint64_t size)
-{
- struct mem_block *blocks = kmalloc(sizeof(*blocks), GFP_KERNEL);
-
- if (!blocks)
- return -ENOMEM;
-
- *heap = kmalloc(sizeof(**heap), GFP_KERNEL);
- if (!*heap) {
- kfree(blocks);
- return -ENOMEM;
- }
-
- blocks->start = start;
- blocks->size = size;
- blocks->file_priv = NULL;
- blocks->next = blocks->prev = *heap;
-
- memset(*heap, 0, sizeof(**heap));
- (*heap)->file_priv = (struct drm_file *) -1;
- (*heap)->next = (*heap)->prev = blocks;
- return 0;
-}
-
-/*
- * Free all blocks associated with the releasing file_priv
- */
-void nouveau_mem_release(struct drm_file *file_priv, struct mem_block *heap)
-{
- struct mem_block *p;
-
- if (!heap || !heap->next)
- return;
-
- list_for_each(p, heap) {
- if (p->file_priv == file_priv)
- p->file_priv = NULL;
- }
-
- /* Assumes a single contiguous range. Needs a special file_priv in
- * 'heap' to stop it being subsumed.
- */
- list_for_each(p, heap) {
- while ((p->file_priv == NULL) &&
- (p->next->file_priv == NULL) &&
- (p->next != heap)) {
- struct mem_block *q = p->next;
- p->size += q->size;
- p->next = q->next;
- p->next->prev = p;
- kfree(q);
- }
- }
-}
-
-/*
- * NV10-NV40 tiling helpers
- */
-
-static void
-nv10_mem_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
- uint32_t size, uint32_t pitch)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
- struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
-
- tile->addr = addr;
- tile->size = size;
- tile->used = !!pitch;
- nouveau_fence_unref((void **)&tile->fence);
-
- if (!pfifo->cache_flush(dev))
- return;
-
- pfifo->reassign(dev, false);
- pfifo->cache_flush(dev);
- pfifo->cache_pull(dev, false);
-
- nouveau_wait_for_idle(dev);
-
- pgraph->set_region_tiling(dev, i, addr, size, pitch);
- pfb->set_region_tiling(dev, i, addr, size, pitch);
-
- pfifo->cache_pull(dev, true);
- pfifo->reassign(dev, true);
-}
-
-struct nouveau_tile_reg *
-nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
- uint32_t pitch)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
- struct nouveau_tile_reg *tile = dev_priv->tile.reg, *found = NULL;
- int i;
-
- spin_lock(&dev_priv->tile.lock);
-
- for (i = 0; i < pfb->num_tiles; i++) {
- if (tile[i].used)
- /* Tile region in use. */
- continue;
-
- if (tile[i].fence &&
- !nouveau_fence_signalled(tile[i].fence, NULL))
- /* Pending tile region. */
- continue;
-
- if (max(tile[i].addr, addr) <
- min(tile[i].addr + tile[i].size, addr + size))
- /* Kill an intersecting tile region. */
- nv10_mem_set_region_tiling(dev, i, 0, 0, 0);
-
- if (pitch && !found) {
- /* Free tile region. */
- nv10_mem_set_region_tiling(dev, i, addr, size, pitch);
- found = &tile[i];
- }
- }
-
- spin_unlock(&dev_priv->tile.lock);
-
- return found;
-}
-
-void
-nv10_mem_expire_tiling(struct drm_device *dev, struct nouveau_tile_reg *tile,
- struct nouveau_fence *fence)
-{
- if (fence) {
- /* Mark it as pending. */
- tile->fence = fence;
- nouveau_fence_ref(fence);
- }
-
- tile->used = false;
-}
-
-/*
- * NV50 VM helpers
- */
-int
-nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
- uint32_t flags, uint64_t phys)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj **pgt;
- unsigned psz, pfl, pages;
-
- if (virt >= dev_priv->vm_gart_base &&
- (virt + size) < (dev_priv->vm_gart_base + dev_priv->vm_gart_size)) {
- psz = 12;
- pgt = &dev_priv->gart_info.sg_ctxdma;
- pfl = 0x21;
- virt -= dev_priv->vm_gart_base;
- } else
- if (virt >= dev_priv->vm_vram_base &&
- (virt + size) < (dev_priv->vm_vram_base + dev_priv->vm_vram_size)) {
- psz = 16;
- pgt = dev_priv->vm_vram_pt;
- pfl = 0x01;
- virt -= dev_priv->vm_vram_base;
- } else {
- NV_ERROR(dev, "Invalid address: 0x%16llx-0x%16llx\n",
- virt, virt + size - 1);
- return -EINVAL;
- }
-
- pages = size >> psz;
-
- dev_priv->engine.instmem.prepare_access(dev, true);
- if (flags & 0x80000000) {
- while (pages--) {
- struct nouveau_gpuobj *pt = pgt[virt >> 29];
- unsigned pte = ((virt & 0x1fffffffULL) >> psz) << 1;
-
- nv_wo32(dev, pt, pte++, 0x00000000);
- nv_wo32(dev, pt, pte++, 0x00000000);
-
- virt += (1 << psz);
- }
- } else {
- while (pages--) {
- struct nouveau_gpuobj *pt = pgt[virt >> 29];
- unsigned pte = ((virt & 0x1fffffffULL) >> psz) << 1;
- unsigned offset_h = upper_32_bits(phys) & 0xff;
- unsigned offset_l = lower_32_bits(phys);
-
- nv_wo32(dev, pt, pte++, offset_l | pfl);
- nv_wo32(dev, pt, pte++, offset_h | flags);
-
- phys += (1 << psz);
- virt += (1 << psz);
- }
- }
- dev_priv->engine.instmem.finish_access(dev);
-
- nv_wr32(dev, 0x100c80, 0x00050001);
- if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
- NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
- NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
- return -EBUSY;
- }
-
- nv_wr32(dev, 0x100c80, 0x00000001);
- if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
- NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
- NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
- return -EBUSY;
- }
-
- return 0;
-}
-
-void
-nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size)
-{
- nv50_mem_vm_bind_linear(dev, virt, size, 0x80000000, 0);
-}
-
-/*
- * Cleanup everything
- */
-void nouveau_mem_takedown(struct mem_block **heap)
-{
- struct mem_block *p;
-
- if (!*heap)
- return;
-
- for (p = (*heap)->next; p != *heap;) {
- struct mem_block *q = p;
- p = p->next;
- kfree(q);
- }
-
- kfree(*heap);
- *heap = NULL;
-}
-
-void nouveau_mem_close(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- nouveau_bo_unpin(dev_priv->vga_ram);
- nouveau_bo_ref(NULL, &dev_priv->vga_ram);
-
- ttm_bo_device_release(&dev_priv->ttm.bdev);
-
- nouveau_ttm_global_release(dev_priv);
-
- if (drm_core_has_AGP(dev) && dev->agp &&
- drm_core_check_feature(dev, DRIVER_MODESET)) {
- struct drm_agp_mem *entry, *tempe;
-
- /* Remove AGP resources, but leave dev->agp
- intact until drv_cleanup is called. */
- list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
- if (entry->bound)
- drm_unbind_agp(entry->memory);
- drm_free_agp(entry->memory, entry->pages);
- kfree(entry);
- }
- INIT_LIST_HEAD(&dev->agp->memory);
-
- if (dev->agp->acquired)
- drm_agp_release(dev);
-
- dev->agp->acquired = 0;
- dev->agp->enabled = 0;
- }
-
- if (dev_priv->fb_mtrr) {
- drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),
- drm_get_resource_len(dev, 1), DRM_MTRR_WC);
- dev_priv->fb_mtrr = 0;
- }
-}
-
-/*XXX won't work on BSD because of pci_read_config_dword */
-static uint32_t
-nouveau_mem_fb_amount_igp(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct pci_dev *bridge;
- uint32_t mem;
-
- 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->flags&NV_NFORCE) {
- pci_read_config_dword(bridge, 0x7C, &mem);
- return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024;
- } else
- if (dev_priv->flags&NV_NFORCE2) {
- pci_read_config_dword(bridge, 0x84, &mem);
- return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024;
- }
-
- NV_ERROR(dev, "impossible!\n");
- return 0;
-}
-
-/* returns the amount of FB ram in bytes */
-uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t boot0;
-
- switch (dev_priv->card_type) {
- case NV_04:
- boot0 = nv_rd32(dev, NV03_BOOT_0);
- if (boot0 & 0x00000100)
- return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024;
-
- switch (boot0 & NV03_BOOT_0_RAM_AMOUNT) {
- case NV04_BOOT_0_RAM_AMOUNT_32MB:
- return 32 * 1024 * 1024;
- case NV04_BOOT_0_RAM_AMOUNT_16MB:
- return 16 * 1024 * 1024;
- case NV04_BOOT_0_RAM_AMOUNT_8MB:
- return 8 * 1024 * 1024;
- case NV04_BOOT_0_RAM_AMOUNT_4MB:
- return 4 * 1024 * 1024;
- }
- break;
- case NV_10:
- case NV_20:
- case NV_30:
- case NV_40:
- case NV_50:
- default:
- if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) {
- return nouveau_mem_fb_amount_igp(dev);
- } else {
- uint64_t mem;
- mem = (nv_rd32(dev, NV04_FIFO_DATA) &
- NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK) >>
- NV10_FIFO_DATA_RAM_AMOUNT_MB_SHIFT;
- return mem * 1024 * 1024;
- }
- break;
- }
-
- NV_ERROR(dev,
- "Unable to detect video ram size. Please report your setup to "
- DRIVER_EMAIL "\n");
- return 0;
-}
-
-#if __OS_HAS_AGP
-static void nouveau_mem_reset_agp(struct drm_device *dev)
-{
- uint32_t saved_pci_nv_1, saved_pci_nv_19, pmc_enable;
-
- saved_pci_nv_1 = nv_rd32(dev, NV04_PBUS_PCI_NV_1);
- saved_pci_nv_19 = nv_rd32(dev, NV04_PBUS_PCI_NV_19);
-
- /* clear busmaster bit */
- nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1 & ~0x4);
- /* clear SBA and AGP bits */
- nv_wr32(dev, NV04_PBUS_PCI_NV_19, saved_pci_nv_19 & 0xfffff0ff);
-
- /* power cycle pgraph, if enabled */
- pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE);
- if (pmc_enable & NV_PMC_ENABLE_PGRAPH) {
- nv_wr32(dev, NV03_PMC_ENABLE,
- pmc_enable & ~NV_PMC_ENABLE_PGRAPH);
- nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
- NV_PMC_ENABLE_PGRAPH);
- }
-
- /* and restore (gives effect of resetting AGP) */
- nv_wr32(dev, NV04_PBUS_PCI_NV_19, saved_pci_nv_19);
- nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1);
-}
-#endif
-
-int
-nouveau_mem_init_agp(struct drm_device *dev)
-{
-#if __OS_HAS_AGP
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct drm_agp_info info;
- struct drm_agp_mode mode;
- int ret;
-
- if (nouveau_noagp)
- return 0;
-
- nouveau_mem_reset_agp(dev);
-
- if (!dev->agp->acquired) {
- ret = drm_agp_acquire(dev);
- if (ret) {
- NV_ERROR(dev, "Unable to acquire AGP: %d\n", ret);
- return ret;
- }
- }
-
- ret = drm_agp_info(dev, &info);
- if (ret) {
- NV_ERROR(dev, "Unable to get AGP info: %d\n", ret);
- return ret;
- }
-
- /* see agp.h for the AGPSTAT_* modes available */
- mode.mode = info.mode;
- ret = drm_agp_enable(dev, mode);
- if (ret) {
- NV_ERROR(dev, "Unable to enable AGP: %d\n", ret);
- return ret;
- }
-
- dev_priv->gart_info.type = NOUVEAU_GART_AGP;
- dev_priv->gart_info.aper_base = info.aperture_base;
- dev_priv->gart_info.aper_size = info.aperture_size;
-#endif
- return 0;
-}
-
-int
-nouveau_mem_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
- int ret, dma_bits = 32;
-
- dev_priv->fb_phys = drm_get_resource_start(dev, 1);
- dev_priv->gart_info.type = NOUVEAU_GART_NONE;
-
- if (dev_priv->card_type >= NV_50 &&
- pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
- dma_bits = 40;
-
- ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
- if (ret) {
- NV_ERROR(dev, "Error setting DMA mask: %d\n", ret);
- return ret;
- }
-
- ret = nouveau_ttm_global_init(dev_priv);
- if (ret)
- return ret;
-
- ret = ttm_bo_device_init(&dev_priv->ttm.bdev,
- dev_priv->ttm.bo_global_ref.ref.object,
- &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET,
- dma_bits <= 32 ? true : false);
- if (ret) {
- NV_ERROR(dev, "Error initialising bo driver: %d\n", ret);
- return ret;
- }
-
- INIT_LIST_HEAD(&dev_priv->ttm.bo_list);
- spin_lock_init(&dev_priv->ttm.bo_list_lock);
- spin_lock_init(&dev_priv->tile.lock);
-
- dev_priv->fb_available_size = nouveau_mem_fb_amount(dev);
-
- dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
- if (dev_priv->fb_mappable_pages > drm_get_resource_len(dev, 1))
- dev_priv->fb_mappable_pages = drm_get_resource_len(dev, 1);
- dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
-
- NV_INFO(dev, "%d MiB VRAM\n", (int)(dev_priv->fb_available_size >> 20));
-
- /* remove reserved space at end of vram from available amount */
- dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram;
- dev_priv->fb_aper_free = dev_priv->fb_available_size;
-
- /* mappable vram */
- ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
- dev_priv->fb_available_size >> PAGE_SHIFT);
- if (ret) {
- NV_ERROR(dev, "Failed VRAM mm init: %d\n", ret);
- return ret;
- }
-
- ret = nouveau_bo_new(dev, NULL, 256*1024, 0, TTM_PL_FLAG_VRAM,
- 0, 0, true, true, &dev_priv->vga_ram);
- if (ret == 0)
- ret = nouveau_bo_pin(dev_priv->vga_ram, TTM_PL_FLAG_VRAM);
- if (ret) {
- NV_WARN(dev, "failed to reserve VGA memory\n");
- nouveau_bo_ref(NULL, &dev_priv->vga_ram);
- }
-
- /* GART */
-#if !defined(__powerpc__) && !defined(__ia64__)
- if (drm_device_is_agp(dev) && dev->agp) {
- ret = nouveau_mem_init_agp(dev);
- if (ret)
- NV_ERROR(dev, "Error initialising AGP: %d\n", ret);
- }
-#endif
-
- if (dev_priv->gart_info.type == NOUVEAU_GART_NONE) {
- ret = nouveau_sgdma_init(dev);
- if (ret) {
- NV_ERROR(dev, "Error initialising PCI(E): %d\n", ret);
- return ret;
- }
- }
-
- NV_INFO(dev, "%d MiB GART (aperture)\n",
- (int)(dev_priv->gart_info.aper_size >> 20));
- dev_priv->gart_info.aper_free = dev_priv->gart_info.aper_size;
-
- ret = ttm_bo_init_mm(bdev, TTM_PL_TT,
- dev_priv->gart_info.aper_size >> PAGE_SHIFT);
- if (ret) {
- NV_ERROR(dev, "Failed TT mm init: %d\n", ret);
- return ret;
- }
-
- dev_priv->fb_mtrr = drm_mtrr_add(drm_get_resource_start(dev, 1),
- drm_get_resource_len(dev, 1),
- DRM_MTRR_WC);
-
- return 0;
-}
-
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 22:17:31 +0000