Mesa (main): venus: renderer to store allow_vk_wait_syncs capset
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Thu Jun 16 19:06:12 UTC 2022
Module: Mesa
Branch: main
Commit: 9f9d543b12d1679cb4c3750407cbef8f72b93413
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9f9d543b12d1679cb4c3750407cbef8f72b93413
Author: Yiwei Zhang <zzyiwei at chromium.org>
Date: Tue May 31 23:26:07 2022 +0000
venus: renderer to store allow_vk_wait_syncs capset
Signed-off-by: Yiwei Zhang <zzyiwei at chromium.org>
Reviewed-by: Ryan Neph <ryanneph at google.com>
Reviewed-by: Chad Versace <chadversary at chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16731>
---
src/virtio/virtio-gpu/venus_hw.h | 11 ++++++++++-
src/virtio/vulkan/vn_instance.c | 2 ++
src/virtio/vulkan/vn_renderer.h | 1 +
src/virtio/vulkan/vn_renderer_virtgpu.c | 2 ++
src/virtio/vulkan/vn_renderer_vtest.c | 2 ++
5 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/src/virtio/virtio-gpu/venus_hw.h b/src/virtio/virtio-gpu/venus_hw.h
index 3b08cdf9d5d..23a34976505 100644
--- a/src/virtio/virtio-gpu/venus_hw.h
+++ b/src/virtio/virtio-gpu/venus_hw.h
@@ -33,7 +33,9 @@ struct virgl_renderer_capset_venus {
uint32_t vk_ext_command_serialization_spec_version;
uint32_t vk_mesa_venus_protocol_spec_version;
- /* TODO revisit this when we bump up wire_format_version to 1 */
+ /* This flag indicates render server config, and will be needed until drm
+ * virtio-gpu blob mem gets fixed to attach_resource before resource_map.
+ */
uint32_t supports_blob_id_0;
/* Extension number N, where N is defined by the Vulkan spec, corresponds
@@ -45,6 +47,13 @@ struct virgl_renderer_capset_venus {
* extensions are assumed to be supported by the renderer side protocol.
*/
uint32_t vk_extension_mask1[32];
+
+ /* The single-threaded renderer cannot afford potential blocking calls. It
+ * also leads to GPU lost if the wait depends on a following command. This
+ * capset allows such blocking calls to passthrough from the clients, and
+ * shifts the responsibilities to the client drivers.
+ */
+ uint32_t allow_vk_wait_syncs;
};
#endif
diff --git a/src/virtio/vulkan/vn_instance.c b/src/virtio/vulkan/vn_instance.c
index 7b03ab34be3..994a2c5e1d5 100644
--- a/src/virtio/vulkan/vn_instance.c
+++ b/src/virtio/vulkan/vn_instance.c
@@ -293,6 +293,8 @@ vn_instance_init_renderer(struct vn_instance *instance)
renderer_info->vk_mesa_venus_protocol_spec_version);
vn_log(instance, "supports blob id 0: %d",
renderer_info->supports_blob_id_0);
+ vn_log(instance, "allow_vk_wait_syncs: %d",
+ renderer_info->allow_vk_wait_syncs);
}
return VK_SUCCESS;
diff --git a/src/virtio/vulkan/vn_renderer.h b/src/virtio/vulkan/vn_renderer.h
index 97325e008ae..24abfc961ad 100644
--- a/src/virtio/vulkan/vn_renderer.h
+++ b/src/virtio/vulkan/vn_renderer.h
@@ -68,6 +68,7 @@ struct vn_renderer_info {
uint32_t supports_blob_id_0;
/* combined mask for vk_extension_mask1, 2,..., N */
uint32_t vk_extension_mask[32];
+ uint32_t allow_vk_wait_syncs;
};
struct vn_renderer_submit_batch {
diff --git a/src/virtio/vulkan/vn_renderer_virtgpu.c b/src/virtio/vulkan/vn_renderer_virtgpu.c
index edbbc6d3487..5c7c82db12f 100644
--- a/src/virtio/vulkan/vn_renderer_virtgpu.c
+++ b/src/virtio/vulkan/vn_renderer_virtgpu.c
@@ -1415,6 +1415,8 @@ virtgpu_init_renderer_info(struct virtgpu *gpu)
memcpy(info->vk_extension_mask, capset->vk_extension_mask1,
sizeof(capset->vk_extension_mask1));
+ info->allow_vk_wait_syncs = capset->allow_vk_wait_syncs;
+
if (gpu->bo_blob_mem == VIRTGPU_BLOB_MEM_GUEST_VRAM)
info->has_guest_vram = true;
}
diff --git a/src/virtio/vulkan/vn_renderer_vtest.c b/src/virtio/vulkan/vn_renderer_vtest.c
index 026b00b662f..dd20111887d 100644
--- a/src/virtio/vulkan/vn_renderer_vtest.c
+++ b/src/virtio/vulkan/vn_renderer_vtest.c
@@ -951,6 +951,8 @@ vtest_init_renderer_info(struct vtest *vtest)
sizeof(capset->vk_extension_mask1));
memcpy(info->vk_extension_mask, capset->vk_extension_mask1,
sizeof(capset->vk_extension_mask1));
+
+ info->allow_vk_wait_syncs = capset->allow_vk_wait_syncs;
}
static void
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