From mboxrd@z Thu Jan  1 00:00:00 1970
From: Damien Lespiau <damien.lespiau@intel.com>
Subject: Re: [PATCH igt] intel_error_decode: Factor out common
 decoding code
Date: Mon, 6 Jan 2014 13:42:03 +0000
Message-ID: <20140106134203.GC7910@strange.amr.corp.intel.com>
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On Mon, Dec 16, 2013 at 12:02:53PM +0000, Damien Lespiau wrote:
> 4 pieces of code were looking very similar. Let's factor out a common
> function in the not so unlikely case we need to tweak that code.
> 
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>

Pushed.

-- 
Damien

> ---
>  tools/intel_error_decode.c | 52 +++++++++++++++++++---------------------------
>  1 file changed, 21 insertions(+), 31 deletions(-)
> 
> diff --git a/tools/intel_error_decode.c b/tools/intel_error_decode.c
> index a22ec7d..529ec54 100644
> --- a/tools/intel_error_decode.c
> +++ b/tools/intel_error_decode.c
> @@ -39,6 +39,7 @@
>   */
>  
>  #define _GNU_SOURCE
> +#include <stdbool.h>
>  #include <stdio.h>
>  #include <stdlib.h>
>  #include <stdarg.h>
> @@ -319,6 +320,19 @@ static void print_batch(int is_batch, const char *ring_name, uint32_t gtt_offset
>  	}
>  }
>  
> +static void decode(struct drm_intel_decode *ctx, bool is_batch,
> +		   const char *ring_name, uint32_t gtt_offset, uint32_t *data,
> +		   int *count)
> +{
> +	if (!*count)
> +		return;
> +
> +	print_batch(is_batch, ring_name, gtt_offset);
> +	drm_intel_decode_set_batch_pointer(ctx, data, gtt_offset, *count);
> +	drm_intel_decode(ctx);
> +	*count = 0;
> +}
> +
>  static void
>  read_data_file(FILE *file)
>  {
> @@ -350,14 +364,8 @@ read_data_file(FILE *file)
>  			matched = sscanf(dashes, "--- gtt_offset = 0x%08x\n",
>  					&new_gtt_offset);
>  			if (matched == 1) {
> -				if (count) {
> -					print_batch(is_batch, ring_name, gtt_offset);
> -					drm_intel_decode_set_batch_pointer(decode_ctx,
> -							data, gtt_offset,
> -							count);
> -					drm_intel_decode(decode_ctx);
> -					count = 0;
> -				}
> +				decode(decode_ctx, is_batch, ring_name,
> +				       gtt_offset, data, &count);
>  				gtt_offset = new_gtt_offset;
>  				is_batch = 1;
>  				free(ring_name);
> @@ -368,14 +376,8 @@ read_data_file(FILE *file)
>  			matched = sscanf(dashes, "--- ringbuffer = 0x%08x\n",
>  					&new_gtt_offset);
>  			if (matched == 1) {
> -				if (count) {
> -					print_batch(is_batch, ring_name, gtt_offset);
> -					drm_intel_decode_set_batch_pointer(decode_ctx,
> -							data, gtt_offset,
> -							count);
> -					drm_intel_decode(decode_ctx);
> -					count = 0;
> -				}
> +				decode(decode_ctx, is_batch, ring_name,
> +				       gtt_offset, data, &count);
>  				gtt_offset = new_gtt_offset;
>  				is_batch = 0;
>  				free(ring_name);
> @@ -389,14 +391,8 @@ read_data_file(FILE *file)
>  			unsigned int reg;
>  
>  			/* display reg section is after the ringbuffers, don't mix them */
> -			if (count) {
> -				print_batch(is_batch, ring_name, gtt_offset);
> -				drm_intel_decode_set_batch_pointer(decode_ctx,
> -						data, gtt_offset,
> -						count);
> -				drm_intel_decode(decode_ctx);
> -				count = 0;
> -			}
> +			decode(decode_ctx, is_batch, ring_name, gtt_offset,
> +			       data, &count);
>  
>  			printf("%s", line);
>  
> @@ -464,13 +460,7 @@ read_data_file(FILE *file)
>  		data[count-1] = value;
>  	}
>  
> -	if (count) {
> -		print_batch(is_batch, ring_name, gtt_offset);
> -		drm_intel_decode_set_batch_pointer(decode_ctx,
> -				data, gtt_offset,
> -				count);
> -		drm_intel_decode(decode_ctx);
> -	}
> +	decode(decode_ctx, is_batch, ring_name, gtt_offset, data, &count);
>  
>  	free(data);
>  	free(line);
> -- 
> 1.8.3.1
> 
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