[PATCH] etnaviv: fix refcnt initialization in etna_screen

[Lucas Stach]

Am Donnerstag, den 06.07.2017, 23:18 +0200 schrieb Aleksander Morgado:
> Despite being a member of the etna_screen struct, 'refcnt' is used by
> the winsys-specific logic to track the reference count of the object
> managed in a hash table. When the count reaches zero, the pipe screen
> is removed from the table and destroyed.
> 
> Fix the logic by initializing the refcnt to 1 when screen created.
> This initialization is done in etna_screen_create(), to follow the
> same logic as in freedreno and virgl.

Urgh, nice (for whatever value of nice) find. I'll push this with stable
tags added in a moment.

Regards,
Lucas

> Signed-off-by: Aleksander Morgado <aleksander at aleksander.es>
> ---
>  src/gallium/drivers/etnaviv/etnaviv_screen.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
> index eefb51c5da..fa0cbd9076 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
> @@ -772,6 +772,7 @@ etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
>     screen->dev = dev;
>     screen->gpu = gpu;
>     screen->ro = renderonly_dup(ro);
> +   screen->refcnt = 1;
>  
>     if (!screen->ro) {
>        DBG("could not create renderonly object");