Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e6be0a99 authored by Rob Herring's avatar Rob Herring Committed by Sean Paul
Browse files

Revert "drm/panfrost: Use drm_gem_map_offset()" 



This reverts commit 583bbf46.

Turns out we need mmap to work on imported BOs even if the current code
is buggy.

Signed-off-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarSean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807145253.2037-3-sean@poorly.run
parent 0a0b65d8

drivers/gpu/drm/panfrost/panfrost_drv.c

+14 −2
Original line number Diff line number Diff line
@@ -291,14 +291,26 @@ static int panfrost_ioctl_mmap_bo(struct drm_device *dev, void *data, 
		      struct drm_file *file_priv)

{

	struct drm_panfrost_mmap_bo *args = data;

	struct drm_gem_object *gem_obj;

	int ret;



	if (args->flags != 0) {

		DRM_INFO("unknown mmap_bo flags: %d\n", args->flags);

		return -EINVAL;

	}



	return drm_gem_map_offset(file_priv, dev, args->handle,

				       &args->offset);

	gem_obj = drm_gem_object_lookup(file_priv, args->handle);

	if (!gem_obj) {

		DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);

		return -ENOENT;

	}



	ret = drm_gem_create_mmap_offset(gem_obj);

	if (ret == 0)

		args->offset = drm_vma_node_offset_addr(&gem_obj->vma_node);

	drm_gem_object_put_unlocked(gem_obj);



	return ret;

}



static int panfrost_ioctl_get_bo_offset(struct drm_device *dev, void *data,