summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--libdrm/xf86drm.c104
-rw-r--r--linux-core/drm_bo.c90
-rw-r--r--linux-core/drm_objects.h23
-rw-r--r--linux-core/drm_ttm.c138
-rw-r--r--shared-core/radeon_cp.c5
-rw-r--r--shared-core/radeon_drv.h1
6 files changed, 267 insertions, 94 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 7001a0ef..165cb2f9 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2432,7 +2432,7 @@ int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type)
fence->fence_class = arg.fence_class;
fence->type = arg.type;
fence->signaled = arg.signaled;
- return 0;
+ return arg.error;
}
int drmFenceUpdate(int fd, drmFence *fence)
@@ -2495,7 +2495,50 @@ int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type)
* DRM_FENCE_FLAG_WAIT_LAZY
* DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS
*/
+
+#define DRM_IOCTL_TIMEOUT_USEC 3000000UL
+
+static unsigned long
+drmTimeDiff(struct timeval *now, struct timeval *then)
+{
+ uint64_t val;
+
+ val = now->tv_sec - then->tv_sec;
+ val *= 1000000LL;
+ val += now->tv_usec;
+ val -= then->tv_usec;
+
+ return (unsigned long) val;
+}
+
+static int
+drmIoctlTimeout(int fd, unsigned long request, void *argp)
+{
+ int haveThen = 0;
+ struct timeval then, now;
+ int ret;
+
+ do {
+ ret = ioctl(fd, request, argp);
+ if (ret != 0 && errno == EAGAIN) {
+ if (!haveThen) {
+ gettimeofday(&then, NULL);
+ haveThen = 1;
+ }
+ gettimeofday(&now, NULL);
+ }
+ } while (ret != 0 && errno == EAGAIN &&
+ drmTimeDiff(&now, &then) < DRM_IOCTL_TIMEOUT_USEC);
+
+ if (ret != 0)
+ return ((errno == EAGAIN) ? -EBUSY : -errno);
+
+ return 0;
+}
+
+
+
int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
{
drm_fence_arg_t arg;
@@ -2516,17 +2559,15 @@ int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
arg.type = flush_type;
arg.flags = flags;
- do {
- ret = ioctl(fd, DRM_IOCTL_FENCE_WAIT, &arg);
- } while (ret != 0 && errno == EAGAIN);
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_FENCE_WAIT, &arg);
if (ret)
- return -errno;
+ return ret;
fence->fence_class = arg.fence_class;
fence->type = arg.type;
fence->signaled = arg.signaled;
- return 0;
+ return arg.error;
}
static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf)
@@ -2568,15 +2609,12 @@ int drmBOCreate(int fd, unsigned long size,
buf->virtual = NULL;
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_CREATE, &arg);
- } while (ret != 0 && errno == EAGAIN);
-
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_CREATE, &arg);
if (ret)
- return -errno;
-
+ return ret;
+
drmBOCopyReply(rep, buf);
- buf->mapVirtual = NULL;
+ buf->virtual = user_buffer;
buf->mapCount = 0;
return 0;
@@ -2606,7 +2644,7 @@ int drmBOUnreference(int fd, drmBO *buf)
{
struct drm_bo_handle_arg arg;
- if (buf->mapVirtual) {
+ if (buf->mapVirtual && buf->mapHandle) {
(void) munmap(buf->mapVirtual, buf->start + buf->size);
buf->mapVirtual = NULL;
buf->virtual = NULL;
@@ -2665,12 +2703,9 @@ int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
* This IOCTL synchronizes the buffer.
*/
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_MAP, &arg);
- } while (ret != 0 && errno == EAGAIN);
-
- if (ret)
- return -errno;
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_MAP, &arg);
+ if (ret)
+ return ret;
drmBOCopyReply(rep, buf);
buf->mapFlags = mapFlags;
@@ -2715,14 +2750,12 @@ int drmBOSetStatus(int fd, drmBO *buf,
req->desired_tile_stride = desired_tile_stride;
req->tile_info = tile_info;
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_SETSTATUS, &arg);
- } while (ret && errno == EAGAIN);
-
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_SETSTATUS, &arg);
if (ret)
- return -errno;
+ return ret;
drmBOCopyReply(rep, buf);
+ return 0;
}
@@ -2757,12 +2790,9 @@ int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint)
req->handle = buf->handle;
req->hint = hint;
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg);
- } while (ret && errno == EAGAIN);
-
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg);
if (ret)
- return -errno;
+ return ret;
drmBOCopyReply(rep, buf);
}
@@ -2824,35 +2854,25 @@ int drmMMTakedown(int fd, unsigned memType)
int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict)
{
struct drm_mm_type_arg arg;
- int ret;
memset(&arg, 0, sizeof(arg));
arg.mem_type = memType;
arg.lock_flags |= (lockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0;
arg.lock_flags |= (ignoreNoEvict) ? DRM_BO_LOCK_IGNORE_NO_EVICT : 0;
- do{
- ret = ioctl(fd, DRM_IOCTL_MM_LOCK, &arg);
- } while (ret && errno == EAGAIN);
-
- return (ret) ? -errno : 0;
+ return drmIoctlTimeout(fd, DRM_IOCTL_MM_LOCK, &arg);
}
int drmMMUnlock(int fd, unsigned memType, int unlockBM)
{
struct drm_mm_type_arg arg;
- int ret;
memset(&arg, 0, sizeof(arg));
arg.mem_type = memType;
arg.lock_flags |= (unlockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0;
- do{
- ret = ioctl(fd, DRM_IOCTL_MM_UNLOCK, &arg);
- } while (ret && errno == EAGAIN);
-
- return (ret) ? -errno : 0;
+ return drmIoctlTimeout(fd, DRM_IOCTL_MM_UNLOCK, &arg);
}
int drmBOVersion(int fd, unsigned int *major,
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index f7f0a197..43e4abb9 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -137,9 +137,9 @@ static int drm_bo_add_ttm(struct drm_buffer_object * bo)
{
struct drm_device *dev = bo->dev;
int ret = 0;
- bo->ttm = NULL;
DRM_ASSERT_LOCKED(&bo->mutex);
+ bo->ttm = NULL;
switch (bo->type) {
case drm_bo_type_dc:
@@ -149,6 +149,18 @@ static int drm_bo_add_ttm(struct drm_buffer_object * bo)
ret = -ENOMEM;
break;
case drm_bo_type_user:
+ bo->ttm = drm_ttm_init(dev, bo->num_pages << PAGE_SHIFT);
+ if (!bo->ttm)
+ ret = -ENOMEM;
+
+ ret = drm_ttm_set_user(bo->ttm, current,
+ bo->mem.mask & DRM_BO_FLAG_WRITE,
+ bo->buffer_start,
+ bo->num_pages,
+ dev->bm.dummy_read_page);
+ if (ret)
+ return ret;
+
break;
default:
DRM_ERROR("Illegal buffer object type\n");
@@ -783,12 +795,15 @@ static int drm_bo_mem_force_space(struct drm_device * dev,
}
static int drm_bo_mt_compatible(struct drm_mem_type_manager * man,
+ int disallow_fixed,
uint32_t mem_type,
uint64_t mask, uint32_t * res_mask)
{
uint64_t cur_flags = drm_bo_type_flags(mem_type);
uint64_t flag_diff;
+ if ((man->flags & _DRM_FLAG_MEMTYPE_FIXED) && disallow_fixed)
+ return 0;
if (man->flags & _DRM_FLAG_MEMTYPE_CACHED)
cur_flags |= DRM_BO_FLAG_CACHED;
if (man->flags & _DRM_FLAG_MEMTYPE_MAPPABLE)
@@ -853,7 +868,9 @@ int drm_bo_mem_space(struct drm_buffer_object * bo,
mem_type = prios[i];
man = &bm->man[mem_type];
- type_ok = drm_bo_mt_compatible(man, mem_type, mem->mask,
+ type_ok = drm_bo_mt_compatible(man,
+ bo->type == drm_bo_type_user,
+ mem_type, mem->mask,
&cur_flags);
if (!type_ok)
@@ -902,7 +919,11 @@ int drm_bo_mem_space(struct drm_buffer_object * bo,
if (!man->has_type)
continue;
- if (!drm_bo_mt_compatible(man, mem_type, mem->mask, &cur_flags))
+ if (!drm_bo_mt_compatible(man,
+ bo->type == drm_bo_type_user,
+ mem_type,
+ mem->mask,
+ &cur_flags))
continue;
ret = drm_bo_mem_force_space(dev, mem, mem_type, no_wait);
@@ -927,8 +948,10 @@ static int drm_bo_new_mask(struct drm_buffer_object * bo,
{
uint32_t new_props;
- if (bo->type == drm_bo_type_user) {
- DRM_ERROR("User buffers are not supported yet.\n");
+ if (bo->type == drm_bo_type_user &&
+ ((used_mask & (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING)) !=
+ (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING))) {
+ DRM_ERROR("User buffers require cache-coherent memory.\n");
return -EINVAL;
}
@@ -1119,7 +1142,12 @@ static void drm_bo_fill_rep_arg(struct drm_buffer_object * bo,
rep->flags = bo->mem.flags;
rep->size = bo->num_pages * PAGE_SIZE;
rep->offset = bo->offset;
- rep->arg_handle = bo->map_list.user_token;
+
+ if (bo->type == drm_bo_type_dc)
+ rep->arg_handle = bo->map_list.user_token;
+ else
+ rep->arg_handle = 0;
+
rep->mask = bo->mem.mask;
rep->buffer_start = bo->buffer_start;
rep->fence_flags = bo->fence_type;
@@ -1618,10 +1646,7 @@ int drm_buffer_object_create(struct drm_device *dev,
int ret = 0;
unsigned long num_pages;
- if (buffer_start & ~PAGE_MASK) {
- DRM_ERROR("Invalid buffer object start.\n");
- return -EINVAL;
- }
+ size += buffer_start & ~PAGE_MASK;
num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
if (num_pages == 0) {
DRM_ERROR("Illegal buffer object size.\n");
@@ -1647,23 +1672,20 @@ int drm_buffer_object_create(struct drm_device *dev,
INIT_LIST_HEAD(&bo->vma_list);
#endif
bo->dev = dev;
- if (buffer_start != 0)
- bo->type = drm_bo_type_user;
- else
- bo->type = type;
+ bo->type = type;
bo->num_pages = num_pages;
bo->mem.mem_type = DRM_BO_MEM_LOCAL;
bo->mem.num_pages = bo->num_pages;
bo->mem.mm_node = NULL;
bo->mem.page_alignment = page_alignment;
- bo->buffer_start = buffer_start;
+ bo->buffer_start = buffer_start & PAGE_MASK;
bo->priv_flags = 0;
- bo->mem.flags = DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED |
+ bo->mem.flags = DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED |
DRM_BO_FLAG_MAPPABLE;
bo->mem.mask = DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED |
DRM_BO_FLAG_MAPPABLE;
atomic_inc(&bm->count);
- ret = drm_bo_new_mask(bo, mask, hint);
+ ret = drm_bo_new_mask(bo, mask, mask);
if (ret)
goto out_err;
@@ -1719,6 +1741,7 @@ int drm_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *fil
struct drm_bo_create_req *req = &arg->d.req;
struct drm_bo_info_rep *rep = &arg->d.rep;
struct drm_buffer_object *entry;
+ enum drm_bo_type bo_type;
int ret = 0;
DRM_DEBUG("drm_bo_create_ioctl: %dkb, %dkb align\n",
@@ -1729,8 +1752,13 @@ int drm_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *fil
return -EINVAL;
}
+ bo_type = (req->buffer_start) ? drm_bo_type_user : drm_bo_type_dc;
+
+ if (bo_type == drm_bo_type_user)
+ req->mask &= ~DRM_BO_FLAG_SHAREABLE;
+
ret = drm_buffer_object_create(file_priv->head->dev,
- req->size, drm_bo_type_dc, req->mask,
+ req->size, bo_type, req->mask,
req->hint, req->page_alignment,
req->buffer_start, &entry);
if (ret)
@@ -2185,6 +2213,13 @@ int drm_bo_driver_finish(struct drm_device * dev)
DRM_DEBUG("Unfenced list was clean\n");
}
out:
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+ unlock_page(bm->dummy_read_page);
+#else
+ ClearPageReserved(bm->dummy_read_page);
+#endif
+ __free_page(bm->dummy_read_page);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@@ -2203,11 +2238,24 @@ int drm_bo_driver_init(struct drm_device * dev)
struct drm_buffer_manager *bm = &dev->bm;
int ret = -EINVAL;
+ bm->dummy_read_page = NULL;
drm_bo_init_lock(&bm->bm_lock);
mutex_lock(&dev->struct_mutex);
if (!driver)
goto out_unlock;
+ bm->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32);
+ if (!bm->dummy_read_page) {
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+ SetPageLocked(bm->dummy_read_page);
+#else
+ SetPageReserved(bm->dummy_read_page);
+#endif
+
/*
* Initialize the system memory buffer type.
* Other types need to be driver / IOCTL initialized.
@@ -2462,11 +2510,15 @@ void drm_bo_unmap_virtual(struct drm_buffer_object * bo)
static void drm_bo_takedown_vm_locked(struct drm_buffer_object * bo)
{
- struct drm_map_list *list = &bo->map_list;
+ struct drm_map_list *list;
drm_local_map_t *map;
struct drm_device *dev = bo->dev;
DRM_ASSERT_LOCKED(&dev->struct_mutex);
+ if (bo->type != drm_bo_type_dc)
+ return;
+
+ list = &bo->map_list;
if (list->user_token) {
drm_ht_remove_item(&dev->map_hash, &list->hash);
list->user_token = 0;
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 6d1d0b9f..01876d93 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -275,6 +275,8 @@ typedef struct drm_ttm_backend {
} drm_ttm_backend_t;
struct drm_ttm {
+ struct mm_struct *user_mm;
+ struct page *dummy_read_page;
struct page **pages;
uint32_t page_flags;
unsigned long num_pages;
@@ -300,6 +302,12 @@ extern void drm_ttm_fixup_caching(struct drm_ttm * ttm);
extern struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index);
extern void drm_ttm_cache_flush(void);
extern int drm_ttm_populate(struct drm_ttm * ttm);
+extern int drm_ttm_set_user(struct drm_ttm *ttm,
+ struct task_struct *tsk,
+ int write,
+ unsigned long start,
+ unsigned long num_pages,
+ struct page *dummy_read_page);
/*
* Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this,
@@ -320,11 +328,15 @@ extern int drm_destroy_ttm(struct drm_ttm * ttm);
* Page flags.
*/
-#define DRM_TTM_PAGE_UNCACHED 0x01
-#define DRM_TTM_PAGE_USED 0x02
-#define DRM_TTM_PAGE_BOUND 0x04
-#define DRM_TTM_PAGE_PRESENT 0x08
-#define DRM_TTM_PAGE_VMALLOC 0x10
+#define DRM_TTM_PAGE_UNCACHED (1 << 0)
+#define DRM_TTM_PAGE_USED (1 << 1)
+#define DRM_TTM_PAGE_BOUND (1 << 2)
+#define DRM_TTM_PAGE_PRESENT (1 << 3)
+#define DRM_TTM_PAGE_VMALLOC (1 << 4)
+#define DRM_TTM_PAGE_USER (1 << 5)
+#define DRM_TTM_PAGE_USER_WRITE (1 << 6)
+#define DRM_TTM_PAGE_USER_DIRTY (1 << 7)
+#define DRM_TTM_PAGE_USER_DMA (1 << 8)
/***************************************************
* Buffer objects. (drm_bo.c, drm_bo_move.c)
@@ -447,6 +459,7 @@ struct drm_buffer_manager {
uint32_t fence_type;
unsigned long cur_pages;
atomic_t count;
+ struct page *dummy_read_page;
};
struct drm_bo_driver {
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c
index fd03f6e8..4d51f9fe 100644
--- a/linux-core/drm_ttm.c
+++ b/linux-core/drm_ttm.c
@@ -139,15 +139,74 @@ static int drm_set_caching(struct drm_ttm * ttm, int noncached)
return 0;
}
+
+static void drm_ttm_free_user_pages(struct drm_ttm *ttm)
+{
+ struct mm_struct *mm = ttm->user_mm;
+ int write;
+ int dirty;
+ struct page *page;
+ int i;
+
+ BUG_ON(!(ttm->page_flags & DRM_TTM_PAGE_USER));
+ write = ((ttm->page_flags & DRM_TTM_PAGE_USER_WRITE) != 0);
+ dirty = ((ttm->page_flags & DRM_TTM_PAGE_USER_DIRTY) != 0);
+
+ down_read(&mm->mmap_sem);
+ for (i=0; i<ttm->num_pages; ++i) {
+ page = ttm->pages[i];
+ if (page == NULL)
+ continue;
+
+ if (page == ttm->dummy_read_page) {
+ BUG_ON(write);
+ continue;
+ }
+
+ if (write && dirty && !PageReserved(page))
+ SetPageDirty(page);
+
+ ttm->pages[i] = NULL;
+ page_cache_release(page);
+ }
+ up_read(&mm->mmap_sem);
+}
+
+static void drm_ttm_free_alloced_pages(struct drm_ttm *ttm)
+{
+ int i;
+ struct drm_buffer_manager *bm = &ttm->dev->bm;
+ struct page **cur_page;
+
+ for (i = 0; i < ttm->num_pages; ++i) {
+ cur_page = ttm->pages + i;
+ if (*cur_page) {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+ unlock_page(*cur_page);
+#else
+ ClearPageReserved(*cur_page);
+#endif
+ if (page_count(*cur_page) != 1) {
+ DRM_ERROR("Erroneous page count. "
+ "Leaking pages.\n");
+ }
+ if (page_mapped(*cur_page)) {
+ DRM_ERROR("Erroneous map count. "
+ "Leaking page mappings.\n");
+ }
+ __free_page(*cur_page);
+ drm_free_memctl(PAGE_SIZE);
+ --bm->cur_pages;
+ }
+ }
+}
+
/*
* Free all resources associated with a ttm.
*/
int drm_destroy_ttm(struct drm_ttm * ttm)
{
-
- int i;
- struct page **cur_page;
struct drm_ttm_backend *be;
if (!ttm)
@@ -160,31 +219,14 @@ int drm_destroy_ttm(struct drm_ttm * ttm)
}
if (ttm->pages) {
- struct drm_buffer_manager *bm = &ttm->dev->bm;
if (ttm->page_flags & DRM_TTM_PAGE_UNCACHED)
drm_set_caching(ttm, 0);
- for (i = 0; i < ttm->num_pages; ++i) {
- cur_page = ttm->pages + i;
- if (*cur_page) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
- unlock_page(*cur_page);
-#else
- ClearPageReserved(*cur_page);
-#endif
- if (page_count(*cur_page) != 1) {
- DRM_ERROR("Erroneous page count. "
- "Leaking pages.\n");
- }
- if (page_mapped(*cur_page)) {
- DRM_ERROR("Erroneous map count. "
- "Leaking page mappings.\n");
- }
- __free_page(*cur_page);
- drm_free_memctl(PAGE_SIZE);
- --bm->cur_pages;
- }
- }
+ if (ttm->page_flags & DRM_TTM_PAGE_USER)
+ drm_ttm_free_user_pages(ttm);
+ else
+ drm_ttm_free_alloced_pages(ttm);
+
ttm_free_pages(ttm);
}
@@ -209,6 +251,49 @@ struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index)
}
EXPORT_SYMBOL(drm_ttm_get_page);
+
+
+
+int drm_ttm_set_user(struct drm_ttm *ttm,
+ struct task_struct *tsk,
+ int write,
+ unsigned long start,
+ unsigned long num_pages,
+ struct page *dummy_read_page)
+{
+ struct mm_struct *mm = tsk->mm;
+ int ret;
+ int i;
+
+ BUG_ON(num_pages != ttm->num_pages);
+
+ ttm->user_mm = mm;
+ ttm->dummy_read_page = dummy_read_page;
+ ttm->page_flags = DRM_TTM_PAGE_USER |
+ ((write) ? DRM_TTM_PAGE_USER_WRITE : 0);
+
+
+ down_read(&mm->mmap_sem);
+ ret = get_user_pages(tsk, mm, start, num_pages,
+ write, 0, ttm->pages, NULL);
+ up_read(&mm->mmap_sem);
+
+ if (ret != num_pages && write) {
+ drm_ttm_free_user_pages(ttm);
+ return -ENOMEM;
+ }
+
+ for (i=0; i<num_pages; ++i) {
+ if (ttm->pages[i] == NULL) {
+ ttm->pages[i] = ttm->dummy_read_page;
+ }
+ }
+
+ return 0;
+}
+
+
+
int drm_ttm_populate(struct drm_ttm * ttm)
{
struct page *page;
@@ -340,7 +425,8 @@ int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem)
}
ttm->state = ttm_bound;
-
+ if (ttm->page_flags & DRM_TTM_PAGE_USER)
+ ttm->page_flags |= DRM_TTM_PAGE_USER_DIRTY;
return 0;
}
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index 006d04f3..f58c95d8 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -1716,7 +1716,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
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->pcigart_offset + dev_priv->fb_aper_offset;
dev_priv->gart_info.mapping.size =
dev_priv->gart_info.table_size;
@@ -2317,7 +2317,8 @@ int radeon_driver_firstopen(struct drm_device *dev)
if (ret != 0)
return ret;
- ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
+ dev_priv->fb_aper_offset = drm_get_resource_start(dev, 0);
+ ret = drm_addmap(dev, dev_priv->fb_aper_offset,
drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
_DRM_WRITE_COMBINING, &map);
if (ret != 0)
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index f74fe933..1acae73a 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -307,6 +307,7 @@ typedef struct drm_radeon_private {
/* starting from here on, data is preserved accross an open */
uint32_t flags; /* see radeon_chip_flags */
+ unsigned long fb_aper_offset;
} drm_radeon_private_t;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 05:21:49 +0000