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Fix up the flags to bus_dmamem again. The man page incorrectly showed

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the BUS_DMA_NOCACHE flags as being a valid flag for load instead of alloc.

Discussed with:	kib
MFC after:	3 days
This commit is contained in:
Robert Noland 2009-03-22 20:58:29 +00:00
parent b4862e19af
commit 746871c800
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=190282
2 changed files with 9 additions and 10 deletions
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14
sys/dev/drm/ati_pcigart.c
View File

@ -82,8 +82,11 @@ drm_ati_alloc_pcigart_table(struct drm_device *dev,
return ENOMEM;
}
ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr,
BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmah->map);
flags = BUS_DMA_WAITOK | BUS_DMA_ZERO;
if (gart_info->gart_reg_if == DRM_ATI_GART_IGP)
flags |= BUS_DMA_NOCACHE;
ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr, flags, &dmah->map);
if (ret != 0) {
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
@ -91,12 +94,9 @@ drm_ati_alloc_pcigart_table(struct drm_device *dev,
}
DRM_LOCK();
flags = BUS_DMA_NOWAIT;
if (gart_info->gart_reg_if == DRM_ATI_GART_IGP)
flags |= BUS_DMA_NOCACHE;
ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
gart_info->table_size, drm_ati_alloc_pcigart_table_cb, dmah, flags);
gart_info->table_size, drm_ati_alloc_pcigart_table_cb, dmah,
BUS_DMA_NOWAIT);
if (ret != 0) {
bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
bus_dma_tag_destroy(dmah->tag);

5
sys/dev/drm/drm_scatter.c
View File

@ -92,7 +92,7 @@ drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather *request)
}
ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr,
BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmah->map);
BUS_DMA_WAITOK | BUS_DMA_ZERO | BUS_DMA_NOCACHE, &dmah->map);
if (ret != 0) {
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
@ -102,8 +102,7 @@ drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather *request)
}
ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
request->size, drm_sg_alloc_cb, entry,
BUS_DMA_NOWAIT | BUS_DMA_NOCACHE);
request->size, drm_sg_alloc_cb, entry, BUS_DMA_NOWAIT);
if (ret != 0) {
bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
bus_dma_tag_destroy(dmah->tag);