From 07613ba2f464f59949266f4337b75b91eb610795 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 12 Jun 2009 14:11:41 +1000 Subject: agp: switch AGP to use page array instead of unsigned long array This switches AGP to use an array of pages for tracking the pages allocated to the GART. This should enable GEM on PAE to work a lot better as we can pass highmem pages to the PAT code and it will do the right thing with them. Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_agpsupport.c | 2 +- drivers/gpu/drm/drm_memory.c | 8 ++++---- drivers/gpu/drm/drm_vm.c | 4 ++-- drivers/gpu/drm/ttm/ttm_agp_backend.c | 3 +-- 4 files changed, 8 insertions(+), 9 deletions(-) (limited to 'drivers/gpu/drm') diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c index 7a0d042c8d6..d68888fe3df 100644 --- a/drivers/gpu/drm/drm_agpsupport.c +++ b/drivers/gpu/drm/drm_agpsupport.c @@ -482,7 +482,7 @@ drm_agp_bind_pages(struct drm_device *dev, } for (i = 0; i < num_pages; i++) - mem->memory[i] = phys_to_gart(page_to_phys(pages[i])); + mem->pages[i] = pages[i]; mem->page_count = num_pages; mem->is_flushed = true; diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c index 0a436184dd8..e4865f99989 100644 --- a/drivers/gpu/drm/drm_memory.c +++ b/drivers/gpu/drm/drm_memory.c @@ -59,10 +59,11 @@ int drm_mem_info(char *buf, char **start, off_t offset, static void *agp_remap(unsigned long offset, unsigned long size, struct drm_device * dev) { - unsigned long *phys_addr_map, i, num_pages = + unsigned long i, num_pages = PAGE_ALIGN(size) / PAGE_SIZE; struct drm_agp_mem *agpmem; struct page **page_map; + struct page **phys_page_map; void *addr; size = PAGE_ALIGN(size); @@ -89,10 +90,9 @@ static void *agp_remap(unsigned long offset, unsigned long size, if (!page_map) return NULL; - phys_addr_map = - agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE; + phys_page_map = (agpmem->memory->pages + (offset - agpmem->bound) / PAGE_SIZE); for (i = 0; i < num_pages; ++i) - page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT); + page_map[i] = phys_page_map[i]; addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP); vfree(page_map); diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index f95d03ac978..7e1fbe5d477 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -144,14 +144,14 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) * Get the page, inc the use count, and return it */ offset = (baddr - agpmem->bound) >> PAGE_SHIFT; - page = virt_to_page(__va(agpmem->memory->memory[offset])); + page = agpmem->memory->pages[offset]; get_page(page); vmf->page = page; DRM_DEBUG ("baddr = 0x%llx page = 0x%p, offset = 0x%llx, count=%d\n", (unsigned long long)baddr, - __va(agpmem->memory->memory[offset]), + agpmem->memory->pages[offset], (unsigned long long)offset, page_count(page)); return 0; diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c index e8f6d2229d8..4648ed2f014 100644 --- a/drivers/gpu/drm/ttm/ttm_agp_backend.c +++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c @@ -63,8 +63,7 @@ static int ttm_agp_populate(struct ttm_backend *backend, if (!page) page = dummy_read_page; - mem->memory[mem->page_count++] = - phys_to_gart(page_to_phys(page)); + mem->pages[mem->page_count++] = page; } agp_be->mem = mem; return 0; -- cgit v1.2.3