On Di, 2015-06-09 at 09:49 +0100, Frediano Ziglio wrote:
> This patch allow to limit number of heads using qxl driver. By default
> qxl driver is not limited on any kind on head use so can decide to use
> as much heads.
There is a hard limit of 16 monitors in the qxl device ...
> Main question and stop over are parameter name.
max_outputs please, to be consistent with upcoming virtio-vga.
> + if (d->max_heads && d->max_heads <= 64) {
> + rom->flags = cpu_to_le64(QXL_ROM_FLAG_MAX_HEADS);
> + rom->max_heads = cpu_to_le16(d->max_heads);
> + }
rom does already carry information about the heads. How about simply
applying the limit when filling rom->client_monitors_config in
interface_client_monitors_config()?
No device changes, no driver changes, alot less trouble.
cheers,
Gerd
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