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display/virtio: add edid support.

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This patch adds EDID support to the family of virtio-gpu devices.  It is
turned off by default, use the new edid property to enable it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20190221081054.13853-1-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2019-02-21 09:10:54 +01:00
parent 9a6d74c0de
commit 1ed2cb32dc
4 changed files with 52 additions and 0 deletions
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5
include/hw/virtio/virtio-gpu.h
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@ -61,12 +61,15 @@ struct virtio_gpu_requested_state {
enum virtio_gpu_conf_flags {
VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1,
VIRTIO_GPU_FLAG_STATS_ENABLED,
VIRTIO_GPU_FLAG_EDID_ENABLED,
};
#define virtio_gpu_virgl_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED))
#define virtio_gpu_stats_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
#define virtio_gpu_edid_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_EDID_ENABLED))
struct virtio_gpu_conf {
uint64_t max_hostmem;
@ -155,6 +158,8 @@ void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g,
enum virtio_gpu_ctrl_type type);
void virtio_gpu_get_display_info(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
void virtio_gpu_get_edid(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
struct virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,