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virtio-gpu: Register capsets dynamically

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virtio_gpu_virgl_get_num_capsets will return "num_capsets", but we can't
assume that capset_index 1 is always VIRGL2 once we'll support more capsets,
like Venus and DRM capsets. Register capsets dynamically to avoid that problem.

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Message-Id: <20241024210311.118220-13-dmitry.osipenko@collabora.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2024-10-25 00:03:10 +03:00 • committed by Alex Bennée
parent 7c092f17cc
commit 1333fd0693
3 changed files with 28 additions and 15 deletions
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33
hw/display/virtio-gpu-virgl.c
View file

@ -622,19 +622,13 @@ static void virgl_cmd_get_capset_info(VirtIOGPU *g,
VIRTIO_GPU_FILL_CMD(info);
memset(&resp, 0, sizeof(resp));
if (info.capset_index == 0) {
resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL;
if (info.capset_index < g->capset_ids->len) {
resp.capset_id = g_array_index(g->capset_ids, uint32_t,
info.capset_index);
virgl_renderer_get_cap_set(resp.capset_id,
&resp.capset_max_version,
&resp.capset_max_size);
} else if (info.capset_index == 1) {
resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL2;
virgl_renderer_get_cap_set(resp.capset_id,
&resp.capset_max_version,
&resp.capset_max_size);
} else {
resp.capset_max_version = 0;
resp.capset_max_size = 0;
}
resp.hdr.type = VIRTIO_GPU_RESP_OK_CAPSET_INFO;
virtio_gpu_ctrl_response(g, cmd, &resp.hdr, sizeof(resp));
@ -1160,12 +1154,27 @@ int virtio_gpu_virgl_init(VirtIOGPU *g)
return 0;
}
int virtio_gpu_virgl_get_num_capsets(VirtIOGPU *g)
static void virtio_gpu_virgl_add_capset(GArray *capset_ids, uint32_t capset_id)
{
g_array_append_val(capset_ids, capset_id);
}
GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g)
{
uint32_t capset2_max_ver, capset2_max_size;
GArray *capset_ids;
capset_ids = g_array_new(false, false, sizeof(uint32_t));
/* VIRGL is always supported. */
virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VIRGL);
virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VIRGL2,
&capset2_max_ver,
&capset2_max_size);
if (capset2_max_ver) {
virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VIRGL2);
}
return capset2_max_ver ? 2 : 1;
return capset_ids;
}