[Intel-gfx] [PATCH] drm/i915: Only dump GPU state on set-wedged if interesting
Mika Kuoppala
mika.kuoppala at linux.intel.com
Tue Jan 15 12:50:50 UTC 2019
Chris Wilson <chris at chris-wilson.co.uk> writes:
> As we may frequently mark the device as wedged to flush requests off it
> during the normal course of events, quite often we have a large state
> dump that is of no interest. Don't bother dumping it all if the engines
> are all idle.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> ---
> drivers/gpu/drm/i915/i915_gem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 90c167f71345..80264cb9ca7f 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3192,7 +3192,7 @@ void i915_gem_set_wedged(struct drm_i915_private *i915)
>
> GEM_TRACE("start\n");
>
> - if (GEM_SHOW_DEBUG()) {
> + if (GEM_SHOW_DEBUG() && !intel_engines_are_idle(i915)) {
This atleast keeps the concurrency on reports at bay
as wedged driver has only idle engines.
Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> struct drm_printer p = drm_debug_printer(__func__);
>
> for_each_engine(engine, i915, id)
> --
> 2.20.1
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