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Re: [QEMU PATCH v5 06/13] virtio-gpu: Support context init feature with


From: Akihiko Odaki
Subject: Re: [QEMU PATCH v5 06/13] virtio-gpu: Support context init feature with virglrenderer
Date: Sat, 16 Sep 2023 01:58:31 +0900
User-agent: Mozilla Thunderbird

On 2023/09/15 20:11, Huang Rui wrote:
Patch "virtio-gpu: CONTEXT_INIT feature" has added the context_init
feature flags.
We would like to enable the feature with virglrenderer, so add to create
virgl renderer context with flags using context_id when valid.

Originally-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
---

V4 -> V5:
     - Inverted patch 5 and 6 because we should configure
       HAVE_VIRGL_CONTEXT_INIT firstly. (Philippe)

  hw/display/virtio-gpu-virgl.c | 13 +++++++++++--
  hw/display/virtio-gpu.c       |  2 ++
  2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index 8bb7a2c21f..312953ec16 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -106,8 +106,17 @@ static void virgl_cmd_context_create(VirtIOGPU *g,
      trace_virtio_gpu_cmd_ctx_create(cc.hdr.ctx_id,
                                      cc.debug_name);
- virgl_renderer_context_create(cc.hdr.ctx_id, cc.nlen,
-                                  cc.debug_name);
+    if (cc.context_init) {
+#ifdef HAVE_VIRGL_CONTEXT_INIT
+        virgl_renderer_context_create_with_flags(cc.hdr.ctx_id,
+                                                 cc.context_init,
+                                                 cc.nlen,
+                                                 cc.debug_name);
+        return;
+#endif
+    }
+
+    virgl_renderer_context_create(cc.hdr.ctx_id, cc.nlen, cc.debug_name);
  }
static void virgl_cmd_context_destroy(VirtIOGPU *g,
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 3e658f1fef..a66cbd9930 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1506,6 +1506,8 @@ static Property virtio_gpu_properties[] = {
      DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags,
                      VIRTIO_GPU_FLAG_BLOB_ENABLED, false),
      DEFINE_PROP_SIZE("hostmem", VirtIOGPU, parent_obj.conf.hostmem, 0),
+    DEFINE_PROP_BIT("context_init", VirtIOGPU, parent_obj.conf.flags,
+                    VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED, false),
      DEFINE_PROP_END_OF_LIST(),
  };

I think it's more convenient if this feature is enabled by default.



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