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vhost-user-gpu: add a configuration flag for dmabuf usage 

Let's inform VirtioGPUBase that vhost-user-gpu require DMABUF messages.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210204105232.834642-11-marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2021-02-04 14:52:22 +04:00 committed by Gerd Hoffmann
parent 2cc002483e
commit ff64d44fb8
2 changed files with 5 additions and 0 deletions
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2
hw/display/vhost-user-gpu.c
View File

@ -547,6 +547,8 @@ vhost_user_gpu_device_realize(DeviceState *qdev, Error **errp)
return; return;
} }
/* existing backend may send DMABUF, so let's add that requirement */
g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED;
if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_VIRGL)) { if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_VIRGL)) {
g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED; g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED;
} }

3
include/hw/virtio/virtio-gpu.h
View File

@ -71,6 +71,7 @@ enum virtio_gpu_base_conf_flags {
VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1, VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1,
VIRTIO_GPU_FLAG_STATS_ENABLED, VIRTIO_GPU_FLAG_STATS_ENABLED,
VIRTIO_GPU_FLAG_EDID_ENABLED, VIRTIO_GPU_FLAG_EDID_ENABLED,
VIRTIO_GPU_FLAG_DMABUF_ENABLED,
}; };
#define virtio_gpu_virgl_enabled(_cfg) \ #define virtio_gpu_virgl_enabled(_cfg) \
@ -79,6 +80,8 @@ enum virtio_gpu_base_conf_flags {
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED)) (_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
#define virtio_gpu_edid_enabled(_cfg) \ #define virtio_gpu_edid_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_EDID_ENABLED)) (_cfg.flags & (1 << VIRTIO_GPU_FLAG_EDID_ENABLED))
#define virtio_gpu_dmabuf_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED))
struct virtio_gpu_base_conf { struct virtio_gpu_base_conf {
uint32_t max_outputs; uint32_t max_outputs;