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-rw-r--r--hw/display/trace-events1
-rw-r--r--hw/display/virtio-gpu-3d.c3
-rw-r--r--hw/display/virtio-gpu.c43
3 files changed, 47 insertions, 0 deletions
diff --git a/hw/display/trace-events b/hw/display/trace-events
index 387c6b8931..37d3264bb2 100644
--- a/hw/display/trace-events
+++ b/hw/display/trace-events
@@ -35,6 +35,7 @@ vmware_setmode(uint32_t w, uint32_t h, uint32_t bpp) "%dx%d @ %d bpp"
# hw/display/virtio-gpu.c
virtio_gpu_features(bool virgl) "virgl %d"
virtio_gpu_cmd_get_display_info(void) ""
+virtio_gpu_cmd_get_edid(uint32_t scanout) "scanout %d"
virtio_gpu_cmd_set_scanout(uint32_t id, uint32_t res, uint32_t w, uint32_t h, uint32_t x, uint32_t y) "id %d, res 0x%x, w %d, h %d, x %d, y %d"
virtio_gpu_cmd_res_create_2d(uint32_t res, uint32_t fmt, uint32_t w, uint32_t h) "res 0x%x, fmt 0x%x, w %d, h %d"
virtio_gpu_cmd_res_create_3d(uint32_t res, uint32_t fmt, uint32_t w, uint32_t h, uint32_t d) "res 0x%x, fmt 0x%x, w %d, h %d, d %d"
diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c
index cb83479ed2..2d302526ab 100644
--- a/hw/display/virtio-gpu-3d.c
+++ b/hw/display/virtio-gpu-3d.c
@@ -463,6 +463,9 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
case VIRTIO_GPU_CMD_GET_DISPLAY_INFO:
virtio_gpu_get_display_info(g, cmd);
break;
+ case VIRTIO_GPU_CMD_GET_EDID:
+ virtio_gpu_get_edid(g, cmd);
+ break;
default:
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
break;
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 0baa9ac0ad..a3627f58a9 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -21,6 +21,7 @@
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-gpu.h"
#include "hw/virtio/virtio-bus.h"
+#include "hw/display/edid.h"
#include "migration/blocker.h"
#include "qemu/log.h"
#include "qapi/error.h"
@@ -207,6 +208,9 @@ static uint64_t virtio_gpu_get_features(VirtIODevice *vdev, uint64_t features,
if (virtio_gpu_virgl_enabled(g->conf)) {
features |= (1 << VIRTIO_GPU_F_VIRGL);
}
+ if (virtio_gpu_edid_enabled(g->conf)) {
+ features |= (1 << VIRTIO_GPU_F_EDID);
+ }
return features;
}
@@ -301,6 +305,40 @@ void virtio_gpu_get_display_info(VirtIOGPU *g,
sizeof(display_info));
}
+static void
+virtio_gpu_generate_edid(VirtIOGPU *g, int scanout,
+ struct virtio_gpu_resp_edid *edid)
+{
+ qemu_edid_info info = {
+ .prefx = g->req_state[scanout].width,
+ .prefy = g->req_state[scanout].height,
+ };
+
+ edid->size = cpu_to_le32(sizeof(edid->edid));
+ qemu_edid_generate(edid->edid, sizeof(edid->edid), &info);
+}
+
+void virtio_gpu_get_edid(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_resp_edid edid;
+ struct virtio_gpu_cmd_get_edid get_edid;
+
+ VIRTIO_GPU_FILL_CMD(get_edid);
+ virtio_gpu_bswap_32(&get_edid, sizeof(get_edid));
+
+ if (get_edid.scanout >= g->conf.max_outputs) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
+
+ trace_virtio_gpu_cmd_get_edid(get_edid.scanout);
+ memset(&edid, 0, sizeof(edid));
+ edid.hdr.type = VIRTIO_GPU_RESP_OK_EDID;
+ virtio_gpu_generate_edid(g, get_edid.scanout, &edid);
+ virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid));
+}
+
static pixman_format_code_t get_pixman_format(uint32_t virtio_gpu_format)
{
switch (virtio_gpu_format) {
@@ -839,6 +877,9 @@ static void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
case VIRTIO_GPU_CMD_GET_DISPLAY_INFO:
virtio_gpu_get_display_info(g, cmd);
break;
+ case VIRTIO_GPU_CMD_GET_EDID:
+ virtio_gpu_get_edid(g, cmd);
+ break;
case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D:
virtio_gpu_resource_create_2d(g, cmd);
break;
@@ -1369,6 +1410,8 @@ static Property virtio_gpu_properties[] = {
DEFINE_PROP_BIT("stats", VirtIOGPU, conf.flags,
VIRTIO_GPU_FLAG_STATS_ENABLED, false),
#endif
+ DEFINE_PROP_BIT("edid", VirtIOGPU, conf.flags,
+ VIRTIO_GPU_FLAG_EDID_ENABLED, false),
DEFINE_PROP_UINT32("xres", VirtIOGPU, conf.xres, 1024),
DEFINE_PROP_UINT32("yres", VirtIOGPU, conf.yres, 768),
DEFINE_PROP_END_OF_LIST(),