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[Qemu-devel] [PATCH v2 5/6] virtio-gpu: add support to enable/disable co
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH v2 5/6] virtio-gpu: add support to enable/disable command processing |
Date: |
Fri, 22 Jan 2016 13:23:46 +0100 |
So we can stop rendering for a while in case we have to.
Signed-off-by: Gerd Hoffmann <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
---
hw/display/virtio-gpu-3d.c | 3 ++-
hw/display/virtio-gpu.c | 5 ++++-
include/hw/virtio/virtio-gpu.h | 2 ++
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c
index d2af327..d6487f7 100644
--- a/hw/display/virtio-gpu-3d.c
+++ b/hw/display/virtio-gpu-3d.c
@@ -553,7 +553,8 @@ static void virtio_gpu_fence_poll(void *opaque)
VirtIOGPU *g = opaque;
virgl_renderer_poll();
- if (g->inflight) {
+ virtio_gpu_process_cmdq(g);
+ if (!QTAILQ_EMPTY(&g->cmdq) || !QTAILQ_EMPTY(&g->fenceq)) {
timer_mod(g->fence_poll, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 10);
}
}
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index d4ee34d..e341d6e 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -754,7 +754,7 @@ static void virtio_gpu_handle_cursor_cb(VirtIODevice *vdev,
VirtQueue *vq)
qemu_bh_schedule(g->cursor_bh);
}
-static void virtio_gpu_process_cmdq(VirtIOGPU *g)
+void virtio_gpu_process_cmdq(VirtIOGPU *g)
{
struct virtio_gpu_ctrl_command *cmd;
@@ -764,6 +764,9 @@ static void virtio_gpu_process_cmdq(VirtIOGPU *g)
/* process command */
VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd,
g, cmd);
+ if (cmd->waiting) {
+ break;
+ }
QTAILQ_REMOVE(&g->cmdq, cmd, next);
if (virtio_gpu_stats_enabled(g->conf)) {
g->stats.requests++;
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index f7e7a52..f6cae0b 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -76,6 +76,7 @@ struct virtio_gpu_ctrl_command {
VirtQueue *vq;
struct virtio_gpu_ctrl_hdr cmd_hdr;
uint32_t error;
+ bool waiting;
bool finished;
QTAILQ_ENTRY(virtio_gpu_ctrl_command) next;
};
@@ -152,6 +153,7 @@ int virtio_gpu_create_mapping_iov(struct
virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,
struct iovec **iov);
void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count);
+void virtio_gpu_process_cmdq(VirtIOGPU *g);
/* virtio-gpu-3d.c */
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
--
1.8.3.1
- [Qemu-devel] [PATCH v2 0/6] virtio-gpu: fixes and spice preparation, Gerd Hoffmann, 2016/01/22
- [Qemu-devel] [PATCH v2 3/6] virtio-gpu: fix memory leak in error path, Gerd Hoffmann, 2016/01/22
- [Qemu-devel] [PATCH v2 5/6] virtio-gpu: add support to enable/disable command processing,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH v2 2/6] console: block rendering until client is done, Gerd Hoffmann, 2016/01/22
- [Qemu-devel] [PATCH v2 4/6] virtio-gpu: maintain command queue, Gerd Hoffmann, 2016/01/22
- [Qemu-devel] [PATCH v2 1/6] zap qemu_egl_has_ext in include/ui/egl-helpers.h, Gerd Hoffmann, 2016/01/22
- [Qemu-devel] [PATCH v2 6/6] virtio-gpu: block any rendering until client (ui) is done, Gerd Hoffmann, 2016/01/22