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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, 55 insertions, 123 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index f78a6f95..1c7013b3 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -2158,89 +2158,11 @@ 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;
-
- 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;
+ int ret = 0;
+ drm_mm_init_arg_t 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");
- 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 = -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");
@@ -2249,37 +2171,59 @@ int drm_mm_lock_ioctl(DRM_IOCTL_ARGS)
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");
+ 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");
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 867cee85..9ac5658c 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)
{
@@ -195,7 +195,6 @@ 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 43a9858d..8754a8e4 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -119,18 +119,10 @@ 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_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 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
};
#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 7f9c8c37..03ea927e 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -430,9 +430,6 @@ 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 2025-11-04 13:16:54 +0000