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-rw-r--r--linux-core/drm_bo.c160
-rw-r--r--linux-core/drm_compat.c3
-rw-r--r--linux-core/drm_drv.c12
-rw-r--r--linux-core/drm_objects.h3
4 files changed, 123 insertions, 55 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 1c7013b3..f78a6f95 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -2158,11 +2158,48 @@ EXPORT_SYMBOL(drm_bo_driver_init);
int drm_mm_init_ioctl(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
+ struct drm_mm_init_arg arg;
+ drm_buffer_manager_t *bm = &dev->bm;
+ drm_bo_driver_t *driver = dev->driver->bo_driver;
+ int ret;
- int ret = 0;
- drm_mm_init_arg_t arg;
+ if (!driver) {
+ DRM_ERROR("Buffer objects are not supported by this driver\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+ ret = -EINVAL;
+ mutex_lock(&dev->bm.init_mutex);
+ mutex_lock(&dev->struct_mutex);
+ if (!bm->initialized) {
+ DRM_ERROR("DRM memory manager was not initialized.\n");
+ goto out;
+ }
+ if (arg.mem_type == 0) {
+ DRM_ERROR("System memory buffers already initialized.\n");
+ goto out;
+ }
+ ret = drm_bo_init_mm(dev, arg.mem_type,
+ arg.p_offset, arg.p_size);
+
+out:
+ mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev->bm.init_mutex);
+ if (ret)
+ return ret;
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return 0;
+}
+
+int drm_mm_takedown_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ struct drm_mm_type_arg arg;
drm_buffer_manager_t *bm = &dev->bm;
drm_bo_driver_t *driver = dev->driver->bo_driver;
+ int ret;
if (!driver) {
DRM_ERROR("Buffer objects are not supported by this driver\n");
@@ -2171,59 +2208,78 @@ int drm_mm_init_ioctl(DRM_IOCTL_ARGS)
DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
- switch (arg.req.op) {
- case mm_init:
- ret = -EINVAL;
- mutex_lock(&dev->bm.init_mutex);
- mutex_lock(&dev->struct_mutex);
- if (!bm->initialized) {
- DRM_ERROR("DRM memory manager was not initialized.\n");
- break;
- }
- if (arg.req.mem_type == 0) {
- DRM_ERROR
- ("System memory buffers already initialized.\n");
- break;
- }
- ret = drm_bo_init_mm(dev, arg.req.mem_type,
- arg.req.p_offset, arg.req.p_size);
- break;
- case mm_takedown:
- LOCK_TEST_WITH_RETURN(dev, filp);
- mutex_lock(&dev->bm.init_mutex);
- mutex_lock(&dev->struct_mutex);
- ret = -EINVAL;
- if (!bm->initialized) {
- DRM_ERROR("DRM memory manager was not initialized\n");
- break;
- }
- if (arg.req.mem_type == 0) {
- DRM_ERROR("No takedown for System memory buffers.\n");
- break;
- }
- ret = 0;
- if (drm_bo_clean_mm(dev, arg.req.mem_type)) {
- DRM_ERROR("Memory manager type %d not clean. "
- "Delaying takedown\n", arg.req.mem_type);
- }
- break;
- case mm_lock:
- LOCK_TEST_WITH_RETURN(dev, filp);
- mutex_lock(&dev->bm.init_mutex);
- mutex_lock(&dev->struct_mutex);
- ret = drm_bo_lock_mm(dev, arg.req.mem_type);
- break;
- case mm_unlock:
- LOCK_TEST_WITH_RETURN(dev, filp);
- mutex_lock(&dev->bm.init_mutex);
- mutex_lock(&dev->struct_mutex);
- ret = 0;
- break;
- default:
- DRM_ERROR("Function not implemented yet\n");
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ mutex_lock(&dev->bm.init_mutex);
+ mutex_lock(&dev->struct_mutex);
+ ret = -EINVAL;
+ if (!bm->initialized) {
+ DRM_ERROR("DRM memory manager was not initialized\n");
+ goto out;
+ }
+ if (arg.mem_type == 0) {
+ DRM_ERROR("No takedown for System memory buffers.\n");
+ goto out;
+ }
+ ret = 0;
+ if (drm_bo_clean_mm(dev, arg.mem_type)) {
+ DRM_ERROR("Memory manager type %d not clean. "
+ "Delaying takedown\n", arg.mem_type);
+ }
+out:
+ mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev->bm.init_mutex);
+ if (ret)
+ return ret;
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return 0;
+}
+
+int drm_mm_lock_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ struct drm_mm_type_arg arg;
+ drm_bo_driver_t *driver = dev->driver->bo_driver;
+ int ret;
+
+ if (!driver) {
+ DRM_ERROR("Buffer objects are not supported by this driver\n");
return -EINVAL;
}
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ mutex_lock(&dev->bm.init_mutex);
+ mutex_lock(&dev->struct_mutex);
+ ret = drm_bo_lock_mm(dev, arg.mem_type);
+ mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev->bm.init_mutex);
+ if (ret)
+ return ret;
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return 0;
+}
+
+int drm_mm_unlock_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ struct drm_mm_type_arg arg;
+ drm_bo_driver_t *driver = dev->driver->bo_driver;
+ int ret;
+
+ if (!driver) {
+ DRM_ERROR("Buffer objects are not supported by this driver\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ mutex_lock(&dev->bm.init_mutex);
+ mutex_lock(&dev->struct_mutex);
+ ret = 0;
+
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->bm.init_mutex);
if (ret)
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index 9ac5658c..867cee85 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -184,7 +184,7 @@ static int drm_pte_is_clear(struct vm_area_struct *vma,
spin_unlock(&mm->page_table_lock);
return ret;
}
-
+#if 0
static int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn)
{
@@ -195,6 +195,7 @@ static int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
ret = io_remap_pfn_range(vma, addr, pfn, PAGE_SIZE, vma->vm_page_prot);
return ret;
}
+#endif
static struct page *drm_bo_vm_fault(struct vm_area_struct *vma,
struct fault_data *data)
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 9a0ecdf8..0ee5062b 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -119,10 +119,18 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0},
[DRM_IOCTL_NR(DRM_IOCTL_FENCE)] = {drm_fence_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_IOCTL_BUFOBJ)] = {drm_bo_ioctl, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_IOCTL_MM_INIT)] = {drm_mm_init_ioctl,
- DRM_AUTH },
[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+
+
+ [DRM_IOCTL_NR(DRM_IOCTL_MM_INIT)] = {drm_mm_init_ioctl,
+ DRM_AUTH },
+ [DRM_IOCTL_NR(DRM_IOCTL_MM_TAKEDOWN)] = {drm_mm_takedown_ioctl,
+ DRM_AUTH },
+ [DRM_IOCTL_NR(DRM_IOCTL_MM_LOCK)] = {drm_mm_lock_ioctl,
+ DRM_AUTH },
+ [DRM_IOCTL_NR(DRM_IOCTL_MM_UNLOCK)] = {drm_mm_unlock_ioctl,
+ DRM_AUTH },
};
#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 03ea927e..7f9c8c37 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -430,6 +430,9 @@ typedef struct drm_bo_driver {
extern int drm_bo_ioctl(DRM_IOCTL_ARGS);
extern int drm_mm_init_ioctl(DRM_IOCTL_ARGS);
+extern int drm_mm_takedown_ioctl(DRM_IOCTL_ARGS);
+extern int drm_mm_lock_ioctl(DRM_IOCTL_ARGS);
+extern int drm_mm_unlock_ioctl(DRM_IOCTL_ARGS);
extern int drm_bo_driver_finish(struct drm_device *dev);
extern int drm_bo_driver_init(struct drm_device *dev);
extern int drm_bo_pci_offset(struct drm_device *dev,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 05:14:11 +0000