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complete PCIE backend for ttm 

ttm test runs with it at least, needs to do more testing on it
main
Dave Airlie 2007-06-05 12:26:06 +10:00
parent 234a906200
commit 4294dcc050
5 changed files with 86 additions and 9 deletions
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66
linux-core/ati_pcigart.c
View File

@ -51,6 +51,27 @@ static __inline__ void insert_page_into_table(struct ati_pcigart_info *info, u32
}
}
static __inline__ u32 get_page_base_from_table(struct ati_pcigart_info *info, u32 *pci_gart)
{
u32 retval;
switch(info->gart_reg_if) {
case DRM_ATI_GART_IGP:
retval = *pci_gart;
retval &= ~0xc;
break;
case DRM_ATI_GART_PCIE:
retval = *pci_gart;
retval &= ~0xc;
retval <<= 8;
break;
default:
case DRM_ATI_GART_PCI:
retval = *pci_gart;
break;
}
return retval;
}
static void *drm_ati_alloc_pcigart_table(int order)
@ -258,9 +279,10 @@ static int ati_pcigart_populate(drm_ttm_backend_t *backend,
ati_pcigart_ttm_backend_t *atipci_be =
container_of(backend, ati_pcigart_ttm_backend_t, backend);
DRM_DEBUG("%d\n", num_pages);
DRM_ERROR("%ld\n", num_pages);
atipci_be->pages = pages;
atipci_be->num_pages = num_pages;
atipci_be->populated = 1;
return 0;
}
@ -271,28 +293,58 @@ static int ati_pcigart_bind_ttm(drm_ttm_backend_t *backend,
ati_pcigart_ttm_backend_t *atipci_be =
container_of(backend, ati_pcigart_ttm_backend_t, backend);
off_t j;
int i;
struct ati_pcigart_info *info = atipci_be->gart_info;
u32 *pci_gart;
u32 page_base;
pci_gart = info->addr;
DRM_ERROR("Offset is %08lX\n", offset);
j = offset;
while (j < (offset + atipci_be->num_pages)) {
if (get_page_base_from_table(info, pci_gart+j))
return -EBUSY;
j++;
}
// for (i = 0, j = offset; i < mem->page_count; i++, j++) {
for (i = 0, j = offset; i < atipci_be->num_pages; i++, j++) {
struct page *cur_page = atipci_be->pages[i];
/* write value */
// }
page_base = page_to_phys(cur_page);
insert_page_into_table(info, page_base, pci_gart + j);
}
atipci_be->gart_flush_fn(atipci_be->dev);
atipci_be->bound = 1;
atipci_be->offset = offset;
/* need to traverse table and add entries */
DRM_DEBUG("\n");
return -1;
return 0;
}
static int ati_pcigart_unbind_ttm(drm_ttm_backend_t *backend)
{
ati_pcigart_ttm_backend_t *atipci_be =
container_of(backend, ati_pcigart_ttm_backend_t, backend);
struct ati_pcigart_info *info = atipci_be->gart_info;
unsigned long offset = atipci_be->offset;
int i;
off_t j;
u32 *pci_gart = info->addr;
DRM_DEBUG("\n");
return -1;
if (atipci_be->bound != 1)
return -EINVAL;
for (i = 0, j = offset; i < atipci_be->num_pages; i++, j++) {
*(pci_gart + j) = 0;
}
atipci_be->gart_flush_fn(atipci_be->dev);
atipci_be->bound = 0;
atipci_be->offset = 0;
return 0;
}
static void ati_pcigart_clear_ttm(drm_ttm_backend_t *backend)
@ -334,7 +386,7 @@ static drm_ttm_backend_func_t ati_pcigart_ttm_backend =
.destroy = ati_pcigart_destroy_ttm,
};
drm_ttm_backend_t *ati_pcigart_init_ttm(struct drm_device *dev, struct ati_pcigart_info *info)
drm_ttm_backend_t *ati_pcigart_init_ttm(struct drm_device *dev, struct ati_pcigart_info *info, void (*gart_flush_fn)(struct drm_device *dev))
{
ati_pcigart_ttm_backend_t *atipci_be;
@ -346,6 +398,8 @@ drm_ttm_backend_t *ati_pcigart_init_ttm(struct drm_device *dev, struct ati_pciga
atipci_be->backend.func = &ati_pcigart_ttm_backend;
atipci_be->backend.mem_type = DRM_BO_MEM_TT;
atipci_be->gart_info = info;
atipci_be->gart_flush_fn = gart_flush_fn;
atipci_be->dev = dev;
return &atipci_be->backend;
}

3
linux-core/drmP.h
View File

@ -846,10 +846,13 @@ typedef struct drm_agp_ttm_backend {
typedef struct ati_pcigart_ttm_backend {
drm_ttm_backend_t backend;
int populated;
void (*gart_flush_fn)(struct drm_device *dev);
struct ati_pcigart_info *gart_info;
unsigned long offset;
struct page **pages;
int num_pages;
int bound;
drm_device_t *dev;
} ati_pcigart_ttm_backend_t;
static __inline__ int drm_core_check_feature(struct drm_device *dev,

3
linux-core/radeon_buffer.c
View File

@ -33,7 +33,6 @@
#include "radeon_drm.h"
#include "radeon_drv.h"
drm_ttm_backend_t *radeon_create_ttm_backend_entry(drm_device_t * dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
@ -41,7 +40,7 @@ drm_ttm_backend_t *radeon_create_ttm_backend_entry(drm_device_t * dev)
if(dev_priv->flags & RADEON_IS_AGP)
return drm_agp_init_ttm(dev);
else
return ati_pcigart_init_ttm(dev, &dev_priv->gart_info);
return ati_pcigart_init_ttm(dev, &dev_priv->gart_info, radeon_gart_flush);
}
int radeon_fence_types(drm_buffer_object_t *bo, uint32_t * class, uint32_t * type)

20
shared-core/radeon_cp.c
View File

@ -1384,6 +1384,26 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
}
}
void radeon_gart_flush(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
if (dev_priv->flags & RADEON_IS_IGPGART) {
RADEON_READ_IGPGART(dev_priv, RADEON_IGPGART_FLUSH);
RADEON_WRITE_IGPGART(RADEON_IGPGART_FLUSH, 0x1);
RADEON_READ_IGPGART(dev_priv, RADEON_IGPGART_FLUSH);
RADEON_WRITE_IGPGART(RADEON_IGPGART_FLUSH, 0x0);
} else if (dev_priv->flags & RADEON_IS_PCIE) {
} else {
}
}
static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
{
drm_radeon_private_t *dev_priv = dev->dev_private;

1
shared-core/radeon_drv.h
View File

@ -344,6 +344,7 @@ extern int radeon_cp_resume(DRM_IOCTL_ARGS);
extern int radeon_engine_reset(DRM_IOCTL_ARGS);
extern int radeon_fullscreen(DRM_IOCTL_ARGS);
extern int radeon_cp_buffers(DRM_IOCTL_ARGS);
extern void radeon_gart_flush(struct drm_device *dev);
extern void radeon_freelist_reset(drm_device_t * dev);
extern drm_buf_t *radeon_freelist_get(drm_device_t * dev);