virtio-gpu: refactor generate_edid function to virtio_gpu_base

This functionality can be shared with upcoming use in vhost-user-gpu, so move it to the shared file to avoid duplicating it. Signed-off-by: Erico Nunes <ernunes@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20230626164708.1163239-2-ernunes@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qemu · Jul 10, 2023 · ee3729d · ee3729d
1 parent cd9b834
commit ee3729d
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Showing 3 changed files with 20 additions and 19 deletions.
diff --git a/hw/display/virtio-gpu-base.c b/hw/display/virtio-gpu-base.c
@@ -17,6 +17,7 @@
 #include "migration/blocker.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
+#include "hw/display/edid.h"
 #include "trace.h"
 
 void
@@ -51,6 +52,22 @@ virtio_gpu_base_fill_display_info(VirtIOGPUBase *g,
     }
 }
 
+void
+virtio_gpu_base_generate_edid(VirtIOGPUBase *g, int scanout,
+                              struct virtio_gpu_resp_edid *edid)
+{
+    qemu_edid_info info = {
+        .width_mm = g->req_state[scanout].width_mm,
+        .height_mm = g->req_state[scanout].height_mm,
+        .prefx = g->req_state[scanout].width,
+        .prefy = g->req_state[scanout].height,
+        .refresh_rate = g->req_state[scanout].refresh_rate,
+    };
+
+    edid->size = cpu_to_le32(sizeof(edid->edid));
+    qemu_edid_generate(edid->edid, sizeof(edid->edid), &info);
+}
+
 static void virtio_gpu_invalidate_display(void *opaque)
 {
 }

diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
@@ -24,7 +24,6 @@
 #include "hw/virtio/virtio-gpu-bswap.h"
 #include "hw/virtio/virtio-gpu-pixman.h"
 #include "hw/virtio/virtio-bus.h"
-#include "hw/display/edid.h"
 #include "hw/qdev-properties.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
@@ -207,23 +206,6 @@ 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)
-{
-    VirtIOGPUBase *b = VIRTIO_GPU_BASE(g);
-    qemu_edid_info info = {
-        .width_mm = b->req_state[scanout].width_mm,
-        .height_mm = b->req_state[scanout].height_mm,
-        .prefx = b->req_state[scanout].width,
-        .prefy = b->req_state[scanout].height,
-        .refresh_rate = b->req_state[scanout].refresh_rate,
-    };
-
-    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)
 {
@@ -242,7 +224,7 @@ void virtio_gpu_get_edid(VirtIOGPU *g,
     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_base_generate_edid(VIRTIO_GPU_BASE(g), get_edid.scanout, &edid);
     virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid));
 }
 

diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
@@ -242,6 +242,8 @@ void virtio_gpu_base_reset(VirtIOGPUBase *g);
 void virtio_gpu_base_fill_display_info(VirtIOGPUBase *g,
                         struct virtio_gpu_resp_display_info *dpy_info);
 
+void virtio_gpu_base_generate_edid(VirtIOGPUBase *g, int scanout,
+                                   struct virtio_gpu_resp_edid *edid);
 /* virtio-gpu.c */
 void virtio_gpu_ctrl_response(VirtIOGPU *g,
                               struct virtio_gpu_ctrl_command *cmd,