[Intel-gfx] [PATCH v6 18/20] drm/i915: Watchdog timeout: DRM kernel interface to set the timeout
Chris Wilson
chris at chris-wilson.co.uk
Thu Apr 20 08:52:02 UTC 2017
On Wed, Apr 19, 2017 at 06:09:00PM -0700, Michel Thierry wrote:
> This patch is missing:
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c
> b/drivers/gpu/drm/i915/i915_gem_context.c
> index c1013af0b910..a8bdea43a217 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -1135,7 +1135,7 @@ int i915_gem_context_getparam_ioctl(struct
> drm_device *dev, void *data,
> return PTR_ERR(ctx);
> }
>
> - args->size = 0;
> + args->size = (args->param != I915_CONTEXT_PARAM_WATCHDOG) ? 0 :
> args->size;
> switch (args->param) {
> case I915_CONTEXT_PARAM_BAN_PERIOD:
> ret = -EINVAL;
>
> Or there will be no way to get the current thresholds (chunk was
> missed due to some TRTT code nearby). I'll be sure to include it in
> the next version.
No. It is always preset to 0. The PARAM should set it to the actual
struct size (it would write) and *not* the user's size.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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