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drm/vma: Add a driver_private member to vma_node.

Browse source 
This allows drivers to distinguish between different types of vma_node's.
The readonly flag was unused and is thus removed.

This is a temporary solution, until i915 is converted completely to
use ttm for bo's.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch> #irc
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210610070152.572423-4-thomas.hellstrom@linux.intel.com
This commit is contained in:
Maarten Lankhorst 2021-06-10 09:01:51 +02:00
parent 2e53d7c114
commit f425821b94
2 changed files with 1 additions and 10 deletions
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9
drivers/gpu/drm/drm_gem.c
View file

@ -1148,15 +1148,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
return -EACCES;
}
if (node->readonly) {
if (vma->vm_flags & VM_WRITE) {
drm_gem_object_put(obj);
return -EINVAL;
}
vma->vm_flags &= ~VM_MAYWRITE;
}
ret = drm_gem_mmap_obj(obj, drm_vma_node_size(node) << PAGE_SHIFT,
vma);

2
include/drm/drm_vma_manager.h
View file

@ -53,7 +53,7 @@ struct drm_vma_offset_node {
rwlock_t vm_lock;
struct drm_mm_node vm_node;
struct rb_root vm_files;
bool readonly:1;
void *driver_private;
};
struct drm_vma_offset_manager {