[PATCH 2/3] drm/virtio: implement prime pin/unpin

From: Gerd Hoffmann
Date: Wed Feb 27 2019 - 09:44:47 EST


virtio-gpu objects never move around, so effectively they are pinned
all the time. This makes the the implementation pretty easy ;)

Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_prime.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c
index b4c9199349e7..0fcae0e46abd 100644
--- a/drivers/gpu/drm/virtio/virtgpu_prime.c
+++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -30,13 +30,13 @@

int virtgpu_gem_prime_pin(struct drm_gem_object *obj)
{
- WARN_ONCE(1, "not implemented");
- return -ENODEV;
+ /* nothing: all virtio-gpu objects are pinned all the time */
+ return 0;
}

void virtgpu_gem_prime_unpin(struct drm_gem_object *obj)
{
- WARN_ONCE(1, "not implemented");
+ /* nothing */
}

void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj)
--
2.9.3