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drm/virtio: Add the fence in resource_flush if present 

If the framebuffer associated with the plane contains a fence, then
it is added to resource_flush and will be waited upon for a max of
50 msecs or until it is signalled by the Host.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-4-vivek.kasireddy@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy 2021-06-10 16:24:56 -07:00 committed by Gerd Hoffmann
parent 56934baef4
commit 5c68ab9276
1 changed files with 39 additions and 6 deletions
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45
drivers/gpu/drm/virtio/virtgpu_plane.c
View File

@ -129,6 +129,40 @@ static void virtio_gpu_update_dumb_bo(struct virtio_gpu_device *vgdev,
objs, NULL);
}
static void virtio_gpu_resource_flush(struct drm_plane *plane,
uint32_t x, uint32_t y,
uint32_t width, uint32_t height)
{
struct drm_device *dev = plane->dev;
struct virtio_gpu_device *vgdev = dev->dev_private;
struct virtio_gpu_framebuffer *vgfb;
struct virtio_gpu_object *bo;
vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
if (vgfb->fence) {
struct virtio_gpu_object_array *objs;
objs = virtio_gpu_array_alloc(1);
if (!objs)
return;
virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
virtio_gpu_array_lock_resv(objs);
virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, x, y,
width, height, objs, vgfb->fence);
virtio_gpu_notify(vgdev);
dma_fence_wait_timeout(&vgfb->fence->f, true,
msecs_to_jiffies(50));
dma_fence_put(&vgfb->fence->f);
vgfb->fence = NULL;
} else {
virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, x, y,
width, height, NULL, NULL);
virtio_gpu_notify(vgdev);
}
}
static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
struct drm_atomic_state *state)
{
@ -198,12 +232,11 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
}
}
virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle,
rect.x1,
rect.y1,
rect.x2 - rect.x1,
rect.y2 - rect.y1);
virtio_gpu_notify(vgdev);
virtio_gpu_resource_flush(plane,
rect.x1,
rect.y1,
rect.x2 - rect.x1,
rect.y2 - rect.y1);
}
static int virtio_gpu_plane_prepare_fb(struct drm_plane *plane,