diff options
author | Dave Airlie <airlied@redhat.com> | 2008-07-09 14:53:47 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2008-07-09 14:53:47 +1000 |
commit | 2556341f8baf0e0b7b5f7843135e43e662751af0 (patch) | |
tree | 84b591787aa036959e56c490b38dbf9e191c76dd /shared-core/nouveau_mem.c | |
parent | 38a5f6686cd38d5204e240f30006538bcf70f5ac (diff) | |
parent | 0b7d9a97bd2383fe4382fc1b1b266542020f0c4e (diff) |
Merge remote branch 'origin/modesetting-101' into modesetting-gem
Diffstat (limited to 'shared-core/nouveau_mem.c')
-rw-r--r-- | shared-core/nouveau_mem.c | 95 |
1 files changed, 73 insertions, 22 deletions
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c index 2cf8807d..861d699f 100644 --- a/shared-core/nouveau_mem.c +++ b/shared-core/nouveau_mem.c @@ -34,9 +34,12 @@ #include "drm.h" #include "drm_sarea.h" #include "nouveau_drv.h" +#include "nv50_kms_wrapper.h" -static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64_t size, - struct drm_file *file_priv) + +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) { @@ -77,10 +80,9 @@ out: return p; } -struct mem_block *nouveau_mem_alloc_block(struct mem_block *heap, - uint64_t size, - int align2, - struct drm_file *file_priv) +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; @@ -88,10 +90,22 @@ struct mem_block *nouveau_mem_alloc_block(struct mem_block *heap, if (!heap) return NULL; - list_for_each(p, heap) { - uint64_t start = (p->start + mask) & ~mask; - if (p->file_priv == 0 && start + size <= p->start + p->size) - return split_block(p, start, size, file_priv); + if (tail) { + list_for_each_prev(p, heap) { + uint64_t start = ((p->start + p->size) - size) & ~mask; + + if (p->file_priv == 0 && 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 == 0 && + start + size <= p->start + p->size) + return split_block(p, start, size, file_priv); + } } return NULL; @@ -108,6 +122,17 @@ static struct mem_block *find_block(struct mem_block *heap, uint64_t start) return NULL; } +struct mem_block *find_block_by_handle(struct mem_block *heap, drm_handle_t handle) +{ + struct mem_block *p; + + list_for_each(p, heap) + if (p->map_handle == handle) + return p; + + return NULL; +} + void nouveau_mem_free_block(struct mem_block *p) { p->file_priv = NULL; @@ -563,13 +588,13 @@ int nouveau_mem_init(struct drm_device *dev) return 0; } -struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, - uint64_t size, int flags, - struct drm_file *file_priv) +struct mem_block * +nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, + int flags, struct drm_file *file_priv) { - struct mem_block *block; - int type; struct drm_nouveau_private *dev_priv = dev->dev_private; + struct mem_block *block; + int type, tail = !(flags & NOUVEAU_MEM_USER); /* * Make things easier on ourselves: all allocations are page-aligned. @@ -600,14 +625,14 @@ struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, #define NOUVEAU_MEM_ALLOC_AGP {\ type=NOUVEAU_MEM_AGP;\ block = nouveau_mem_alloc_block(dev_priv->agp_heap, size,\ - alignment, file_priv); \ + alignment, file_priv, tail); \ if (block) goto alloc_ok;\ } #define NOUVEAU_MEM_ALLOC_PCI {\ type = NOUVEAU_MEM_PCI;\ block = nouveau_mem_alloc_block(dev_priv->pci_heap, size, \ - alignment, file_priv); \ + alignment, file_priv, tail); \ if ( block ) goto alloc_ok;\ } @@ -616,11 +641,11 @@ struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, if (!(flags&NOUVEAU_MEM_MAPPED)) {\ block = nouveau_mem_alloc_block(dev_priv->fb_nomap_heap,\ size, alignment, \ - file_priv); \ + file_priv, tail); \ if (block) goto alloc_ok;\ }\ block = nouveau_mem_alloc_block(dev_priv->fb_heap, size,\ - alignment, file_priv);\ + alignment, file_priv, tail);\ if (block) goto alloc_ok;\ } @@ -707,6 +732,30 @@ void nouveau_mem_free(struct drm_device* dev, struct mem_block* block) DRM_DEBUG("freeing 0x%llx type=0x%08x\n", block->start, block->flags); + /* Check if the deallocations cause problems for our modesetting system. */ + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + if (dev_priv->card_type >= NV_50) { + struct nv50_crtc *crtc = NULL; + struct nv50_display *display = nv50_get_display(dev); + + list_for_each_entry(crtc, &display->crtcs, item) { + if (crtc->fb->block == block) { + crtc->fb->block = NULL; + + if (!crtc->blanked) + crtc->blank(crtc, true); + } + + if (crtc->cursor->block == block) { + crtc->cursor->block = NULL; + + if (crtc->cursor->visible) + crtc->cursor->hide(crtc); + } + } + } + } + if (block->flags&NOUVEAU_MEM_MAPPED) drm_rmmap(dev, block->map); @@ -738,7 +787,9 @@ out_free: * Ioctls */ -int nouveau_ioctl_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) +int +nouveau_ioctl_mem_alloc(struct drm_device *dev, void *data, + struct drm_file *file_priv) { struct drm_nouveau_mem_alloc *alloc = data; struct mem_block *block; @@ -748,8 +799,8 @@ int nouveau_ioctl_mem_alloc(struct drm_device *dev, void *data, struct drm_file if (alloc->flags & NOUVEAU_MEM_INTERNAL) return -EINVAL; - block=nouveau_mem_alloc(dev, alloc->alignment, alloc->size, - alloc->flags, file_priv); + block = nouveau_mem_alloc(dev, alloc->alignment, alloc->size, + alloc->flags | NOUVEAU_MEM_USER, file_priv); if (!block) return -ENOMEM; alloc->map_handle=block->map_handle; |