summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--linux-core/ati_pcigart.c69
-rw-r--r--linux-core/drmP.h1
-rw-r--r--shared-core/r128_cce.c1
-rw-r--r--shared-core/r128_drv.h2
-rw-r--r--shared-core/radeon_cp.c6
-rw-r--r--shared-core/radeon_drm.h1
-rw-r--r--shared-core/radeon_drv.h4
-rw-r--r--shared-core/radeon_state.c6
8 files changed, 52 insertions, 38 deletions
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c
index bbdb841c..bb30dd74 100644
--- a/linux-core/ati_pcigart.c
+++ b/linux-core/ati_pcigart.c
@@ -33,41 +33,25 @@
#include "drmP.h"
-#if PAGE_SIZE == 65536
-# define ATI_PCIGART_TABLE_ORDER 0
-# define ATI_PCIGART_TABLE_PAGES (1 << 0)
-#elif PAGE_SIZE == 16384
-# define ATI_PCIGART_TABLE_ORDER 1
-# define ATI_PCIGART_TABLE_PAGES (1 << 1)
-#elif PAGE_SIZE == 8192
-# define ATI_PCIGART_TABLE_ORDER 2
-# define ATI_PCIGART_TABLE_PAGES (1 << 2)
-#elif PAGE_SIZE == 4096
-# define ATI_PCIGART_TABLE_ORDER 3
-# define ATI_PCIGART_TABLE_PAGES (1 << 3)
-#else
-# error - PAGE_SIZE not 64K, 16K, 8K or 4K
-#endif
-
-# define ATI_MAX_PCIGART_PAGES 8192 /**< 32 MB aperture, 4K pages */
# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
-static void *drm_ati_alloc_pcigart_table(void)
+static void *drm_ati_alloc_pcigart_table(int order)
{
unsigned long address;
struct page *page;
int i;
- DRM_DEBUG("%s\n", __FUNCTION__);
+
+ DRM_DEBUG("%s: alloc %d order\n", __FUNCTION__, order);
address = __get_free_pages(GFP_KERNEL | __GFP_COMP,
- ATI_PCIGART_TABLE_ORDER);
+ order);
if (address == 0UL) {
return NULL;
}
page = virt_to_page(address);
- for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {
+ for (i = 0; i < order; i++, page++) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
get_page(page);
#endif
@@ -78,22 +62,23 @@ static void *drm_ati_alloc_pcigart_table(void)
return (void *)address;
}
-static void drm_ati_free_pcigart_table(void *address)
+static void drm_ati_free_pcigart_table(void *address, int order)
{
struct page *page;
int i;
+ int num_pages = 1 << order;
DRM_DEBUG("%s\n", __FUNCTION__);
page = virt_to_page((unsigned long)address);
- for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {
+ 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, ATI_PCIGART_TABLE_ORDER);
+ free_pages((unsigned long)address, order);
}
int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
@@ -101,6 +86,8 @@ int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
drm_sg_mem_t *entry = dev->sg;
unsigned long pages;
int i;
+ int order;
+ int num_pages, max_pages;
/* we need to support large memory configurations */
if (!entry) {
@@ -108,15 +95,19 @@ int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_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,
- ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
+ num_pages * PAGE_SIZE,
PCI_DMA_TODEVICE);
}
- pages = (entry->pages <= ATI_MAX_PCIGART_PAGES)
- ? entry->pages : ATI_MAX_PCIGART_PAGES;
+ max_pages = (gart_info->table_size / sizeof(u32));
+ pages = (entry->pages <= max_pages)
+ ? entry->pages : max_pages;
for (i = 0; i < pages; i++) {
if (!entry->busaddr[i])
@@ -132,7 +123,8 @@ int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
&& gart_info->addr) {
- drm_ati_free_pcigart_table(gart_info->addr);
+
+ drm_ati_free_pcigart_table(gart_info->addr, order);
gart_info->addr = NULL;
}
@@ -147,6 +139,9 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
unsigned long pages;
u32 *pci_gart, page_base, 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");
@@ -156,7 +151,9 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
- address = drm_ati_alloc_pcigart_table();
+ 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) {
DRM_ERROR("cannot allocate PCI GART page!\n");
goto done;
@@ -168,11 +165,12 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
}
bus_address = pci_map_single(dev->pdev, address,
- ATI_PCIGART_TABLE_PAGES *
- PAGE_SIZE, PCI_DMA_TODEVICE);
+ num_pages * PAGE_SIZE,
+ PCI_DMA_TODEVICE);
if (bus_address == 0) {
DRM_ERROR("unable to map PCIGART pages!\n");
- drm_ati_free_pcigart_table(address);
+ order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE);
+ drm_ati_free_pcigart_table(address, order);
address = NULL;
goto done;
}
@@ -185,10 +183,11 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
pci_gart = (u32 *) address;
- pages = (entry->pages <= ATI_MAX_PCIGART_PAGES)
- ? entry->pages : ATI_MAX_PCIGART_PAGES;
+ max_pages = (gart_info->table_size / sizeof(u32));
+ pages = (entry->pages <= max_pages)
+ ? entry->pages : max_pages;
- memset(pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32));
+ memset(pci_gart, 0, max_pages * sizeof(u32));
for (i = 0; i < pages; i++) {
/* we need to support large memory configurations */
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 2285bc02..d1dbdc2d 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -593,6 +593,7 @@ typedef struct ati_pcigart_info {
void *addr;
dma_addr_t bus_addr;
drm_local_map_t mapping;
+ int table_size;
} drm_ati_pcigart_info;
diff --git a/shared-core/r128_cce.c b/shared-core/r128_cce.c
index f9a9eb32..62859d5a 100644
--- a/shared-core/r128_cce.c
+++ b/shared-core/r128_cce.c
@@ -560,6 +560,7 @@ static int r128_do_init_cce(drm_device_t * dev, drm_r128_init_t * init)
if (dev_priv->is_pci) {
#endif
dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN;
+ dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE;
dev_priv->gart_info.addr = NULL;
dev_priv->gart_info.bus_addr = 0;
dev_priv->gart_info.is_pcie = 0;
diff --git a/shared-core/r128_drv.h b/shared-core/r128_drv.h
index f1efb49d..90868356 100644
--- a/shared-core/r128_drv.h
+++ b/shared-core/r128_drv.h
@@ -383,6 +383,8 @@ extern long r128_compat_ioctl(struct file *filp, unsigned int cmd,
#define R128_PERFORMANCE_BOXES 0
+#define R128_PCIGART_TABLE_SIZE 32768
+
#define R128_READ(reg) DRM_READ32( dev_priv->mmio, (reg) )
#define R128_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) )
#define R128_READ8(reg) DRM_READ8( dev_priv->mmio, (reg) )
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index 0fa6535d..e02796e7 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -1623,13 +1623,13 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
#endif
{
/* if we have an offset set from userspace */
- if (dev_priv->pcigart_offset) {
+ if (dev_priv->pcigart_offset_set) {
dev_priv->gart_info.bus_addr =
dev_priv->pcigart_offset + dev_priv->fb_location;
dev_priv->gart_info.mapping.offset =
dev_priv->gart_info.bus_addr;
dev_priv->gart_info.mapping.size =
- RADEON_PCIGART_TABLE_SIZE;
+ dev_priv->gart_info.table_size;
drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
dev_priv->gart_info.addr =
@@ -2230,6 +2230,8 @@ int radeon_driver_firstopen(struct drm_device *dev)
drm_local_map_t *map;
drm_radeon_private_t *dev_priv = dev->dev_private;
+ dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
+
ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
drm_get_resource_len(dev, 2), _DRM_REGISTERS,
_DRM_READ_ONLY, &dev_priv->mmio);
diff --git a/shared-core/radeon_drm.h b/shared-core/radeon_drm.h
index f5edbc19..e96e7851 100644
--- a/shared-core/radeon_drm.h
+++ b/shared-core/radeon_drm.h
@@ -708,6 +708,7 @@ typedef struct drm_radeon_setparam {
#define RADEON_SETPARAM_PCIGART_LOCATION 3 /* PCI Gart Location */
#define RADEON_SETPARAM_NEW_MEMMAP 4 /* Use new memory map */
+#define RADEON_SETPARAM_PCIGART_TABLE_SIZE 5 /* PCI GART Table Size */
/* 1.14: Clients can allocate/free a surface
*/
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index 5c426fe0..3e56af30 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -95,10 +95,11 @@
* 1.24- Add general-purpose packet for manipulating scratch registers (r300)
* 1.25- Add support for r200 vertex programs (R200_EMIT_VAP_PVS_CNTL,
* new packet type)
+ * 1.26- Add support for variable size PCI(E) gart aperture
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 25
+#define DRIVER_MINOR 26
#define DRIVER_PATCHLEVEL 0
/*
@@ -282,6 +283,7 @@ typedef struct drm_radeon_private {
struct radeon_virt_surface virt_surfaces[2*RADEON_MAX_SURFACES];
unsigned long pcigart_offset;
+ unsigned int pcigart_offset_set;
drm_ati_pcigart_info gart_info;
u32 scratch_ages[5];
diff --git a/shared-core/radeon_state.c b/shared-core/radeon_state.c
index 40b7d6ce..b95549d8 100644
--- a/shared-core/radeon_state.c
+++ b/shared-core/radeon_state.c
@@ -3196,10 +3196,16 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS)
break;
case RADEON_SETPARAM_PCIGART_LOCATION:
dev_priv->pcigart_offset = sp.value;
+ dev_priv->pcigart_offset_set = 1;
break;
case RADEON_SETPARAM_NEW_MEMMAP:
dev_priv->new_memmap = sp.value;
break;
+ case RADEON_SETPARAM_PCIGART_TABLE_SIZE:
+ dev_priv->gart_info.table_size = sp.value;
+ if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
+ dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
+ break;
default:
DRM_DEBUG("Invalid parameter %d\n", sp.param);
return DRM_ERR(EINVAL);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 18:43:28 +0000