Kraxel 20220614 patches

[PULL 12/15] virtio-gpu: update done only on the scanout associated with rect

Gerd Hoffmann posted 15 patches 3 years, 8 months ago

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Maintainers: "Hongren (Zenithal) Zheng" <i@zenithal.me>, "Canokeys.org" <contact@canokeys.org>, Gerd Hoffmann <kraxel@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Alex Williamson <alex.williamson@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Akihiko Odaki <akihiko.odaki@gmail.com>

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[PULL 12/15] virtio-gpu: update done only on the scanout associated with rect

Posted by Gerd Hoffmann 3 years, 8 months ago

From: Dongwon Kim <dongwon.kim@intel.com>

It only needs to update the scanouts containing the rect area
coming with the resource-flush request from the guest.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Message-Id: <20220505214030.4261-1-dongwon.kim@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/display/virtio-gpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index cd4a56056fd9..55c6dd576318 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -514,6 +514,9 @@ static void virtio_gpu_resource_flush(VirtIOGPU *g,
         for (i = 0; i < g->parent_obj.conf.max_outputs; i++) {
             scanout = &g->parent_obj.scanout[i];
             if (scanout->resource_id == res->resource_id &&
+                rf.r.x >= scanout->x && rf.r.y >= scanout->y &&
+                rf.r.x + rf.r.width <= scanout->x + scanout->width &&
+                rf.r.y + rf.r.height <= scanout->y + scanout->height &&
                 console_has_gl(scanout->con)) {
                 dpy_gl_update(scanout->con, 0, 0, scanout->width,
                               scanout->height);
-- 
2.36.1