Re: [PATCH 2/5] drm/i915/guc: Increase GuC log size for CONFIG_DEBUG_GEM

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On Fri, Dec 03, 2021 at 10:33:36AM -0800, John.C.Harrison@xxxxxxxxx wrote:
> From: John Harrison <John.C.Harrison@xxxxxxxxx>
> 
> Lots of testing is done with the DEBUG_GEM config option enabled but
> not the DEBUG_GUC option. That means we only get teeny-tiny GuC logs
> which are not hugely useful. Enabling full DEBUG_GUC also spews lots
> of other detailed output that is not generally desired. However,
> bigger GuC logs are extremely useful for almost any regression debug.
> So enable bigger logs for DEBUG_GEM builds as well.
> 
> Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>

Reviewed-by: Matthew Brost <matthew.brost@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_log.h | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
> index ac1ee1d5ce10..fe6ab7550a14 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
> @@ -15,9 +15,12 @@
>  
>  struct intel_guc;
>  
> -#ifdef CONFIG_DRM_I915_DEBUG_GUC
> +#if defined(CONFIG_DRM_I915_DEBUG_GUC)
>  #define CRASH_BUFFER_SIZE	SZ_2M
>  #define DEBUG_BUFFER_SIZE	SZ_16M
> +#elif defined(CONFIG_DRM_I915_DEBUG_GEM)
> +#define CRASH_BUFFER_SIZE	SZ_1M
> +#define DEBUG_BUFFER_SIZE	SZ_2M
>  #else
>  #define CRASH_BUFFER_SIZE	SZ_8K
>  #define DEBUG_BUFFER_SIZE	SZ_64K
> -- 
> 2.25.1
> 



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