Extend virtio-gpu documentation with a link to the Mesa VirGL
documentation.

Suggested-by: Akihiko Odaki <[email protected]>
Reviewed-by: Akihiko Odaki <[email protected]>
Acked-by: Pierre-Eric Pelloux-Prayer <[email protected]>
Reviewed-by: Yiwei Zhang <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
---
 docs/system/devices/virtio/virtio-gpu.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/system/devices/virtio/virtio-gpu.rst 
b/docs/system/devices/virtio/virtio-gpu.rst
index 086e2fcf27b9..89153103b9f8 100644
--- a/docs/system/devices/virtio/virtio-gpu.rst
+++ b/docs/system/devices/virtio/virtio-gpu.rst
@@ -61,7 +61,7 @@ on typical modern Linux distributions.
 virtio-gpu virglrenderer
 ------------------------
 
-When using virgl accelerated graphics mode in the guest, OpenGL API calls
+When using `virgl`_ accelerated graphics mode in the guest, OpenGL API calls
 are translated into an intermediate representation (see `Gallium3D`_). The
 intermediate representation is communicated to the host and the
 `virglrenderer`_ library on the host translates the intermediate
@@ -70,6 +70,7 @@ representation back to OpenGL API calls.
 .. parsed-literal::
     -device virtio-gpu-gl
 
+.. _virgl: https://docs.mesa3d.org/drivers/virgl.html
 .. _Gallium3D: https://www.freedesktop.org/wiki/Software/gallium/
 .. _virglrenderer: https://gitlab.freedesktop.org/virgl/virglrenderer/
 
-- 
2.51.1


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