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-rw-r--r--linux-core/ati_pcigart.c101
-rw-r--r--linux-core/drmP.h4
-rw-r--r--linux-core/drm_compat.h4
-rw-r--r--linux-core/xgi_pcie.c1
4 files changed, 28 insertions, 82 deletions
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c
index 74f91bc4..beaa4424 100644
--- a/linux-core/ati_pcigart.c
+++ b/linux-core/ati_pcigart.c
@@ -34,51 +34,23 @@
#include "drmP.h"
# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
-
-static void *drm_ati_alloc_pcigart_table(int order)
+static int drm_ati_alloc_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info)
{
- unsigned long address;
- struct page *page;
- int i;
+ gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size,
+ PAGE_SIZE,
+ gart_info->table_mask);
+ if (gart_info->table_handle == NULL)
+ return -ENOMEM;
- DRM_DEBUG("%d order\n", order);
-
- address = __get_free_pages(GFP_KERNEL | __GFP_COMP | __GFP_DMA32,
- order);
- if (address == 0UL) {
- return NULL;
- }
-
- page = virt_to_page(address);
-
- for (i = 0; i < order; i++, page++) {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
- get_page(page);
-#endif
- SetPageReserved(page);
- }
-
- DRM_DEBUG("returning 0x%08lx\n", address);
- return (void *)address;
+ return 0;
}
-static void drm_ati_free_pcigart_table(void *address, int order)
+static void drm_ati_free_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info)
{
- struct page *page;
- int i;
- int num_pages = 1 << order;
- DRM_DEBUG("\n");
-
- page = virt_to_page((unsigned long)address);
-
- for (i = 0; i < num_pages; i++, page++) {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
- __put_page(page);
-#endif
- ClearPageReserved(page);
- }
-
- free_pages((unsigned long)address, order);
+ drm_pci_free(dev, gart_info->table_handle);
+ gart_info->table_handle = NULL;
}
int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
@@ -86,8 +58,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
struct drm_sg_mem *entry = dev->sg;
unsigned long pages;
int i;
- int order;
- int num_pages, max_pages;
+ int max_pages;
/* we need to support large memory configurations */
if (!entry) {
@@ -95,15 +66,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
return 0;
}
- order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE);
- num_pages = 1 << order;
-
if (gart_info->bus_addr) {
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
- pci_unmap_single(dev->pdev, gart_info->bus_addr,
- num_pages * PAGE_SIZE,
- PCI_DMA_TODEVICE);
- }
max_pages = (gart_info->table_size / sizeof(u32));
pages = (entry->pages <= max_pages)
@@ -122,10 +85,9 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
- && gart_info->addr) {
+ && gart_info->table_handle) {
- drm_ati_free_pcigart_table(gart_info->addr, order);
- gart_info->addr = NULL;
+ drm_ati_free_pcigart_table(dev, gart_info);
}
return 1;
@@ -140,9 +102,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
u32 *pci_gart, page_base;
dma_addr_t bus_address = 0;
int i, j, ret = 0;
- int order;
int max_pages;
- int num_pages;
if (!entry) {
DRM_ERROR("no scatter/gather memory!\n");
@@ -152,31 +112,14 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
- order = drm_order((gart_info->table_size +
- (PAGE_SIZE-1)) / PAGE_SIZE);
- num_pages = 1 << order;
- address = drm_ati_alloc_pcigart_table(order);
- if (!address) {
+ ret = drm_ati_alloc_pcigart_table(dev, gart_info);
+ if (ret) {
DRM_ERROR("cannot allocate PCI GART page!\n");
goto done;
}
- if (!dev->pdev) {
- DRM_ERROR("PCI device unknown!\n");
- goto done;
- }
-
- bus_address = pci_map_single(dev->pdev, address,
- num_pages * PAGE_SIZE,
- PCI_DMA_TODEVICE);
- if (bus_address == 0) {
- DRM_ERROR("unable to map PCIGART pages!\n");
- order = drm_order((gart_info->table_size +
- (PAGE_SIZE-1)) / PAGE_SIZE);
- drm_ati_free_pcigart_table(address, order);
- address = NULL;
- goto done;
- }
+ address = gart_info->table_handle->vaddr;
+ bus_address = gart_info->table_handle->busaddr;
} else {
address = gart_info->addr;
bus_address = gart_info->bus_addr;
@@ -225,12 +168,6 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
}
}
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
- dma_sync_single_for_device(&dev->pdev->dev,
- bus_address,
- max_pages * sizeof(u32),
- PCI_DMA_TODEVICE);
-
ret = 1;
#if defined(__i386__) || defined(__x86_64__)
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 2f76f3df..69d31e14 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -52,6 +52,7 @@
#include <linux/version.h>
#include <linux/sched.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
+#include <linux/dma-mapping.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
@@ -596,6 +597,9 @@ struct drm_ati_pcigart_info {
int gart_reg_if;
void *addr;
dma_addr_t bus_addr;
+ dma_addr_t table_mask;
+ dma_addr_t member_mask;
+ struct drm_dma_handle *table_handle;
drm_local_map_t mapping;
int table_size;
};
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h
index 0613b5d2..3b1287e1 100644
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@ -339,4 +339,8 @@ extern void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
#define flush_agp_mappings() do {} while(0)
#endif
+#ifndef DMA_BIT_MASK
+#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
+#endif
+
#endif
diff --git a/linux-core/xgi_pcie.c b/linux-core/xgi_pcie.c
index a7d3ea24..614616a9 100644
--- a/linux-core/xgi_pcie.c
+++ b/linux-core/xgi_pcie.c
@@ -86,6 +86,7 @@ int xgi_pcie_heap_init(struct xgi_info * info)
return err;
}
+ info->gart_info.table_mask = DMA_BIT_MASK(32);
info->gart_info.gart_table_location = DRM_ATI_GART_MAIN;
info->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
info->gart_info.table_size = info->dev->sg->pages * sizeof(u32);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 00:13:29 +0000