[igt-dev] [PATCH i-g-t 5/6] tools/intel_watermark: Dump NV12_BUF_CFG

[Souza, Jose]

On Mon, 2019-01-28 at 22:01 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> On pre-icl we have two registers for the DDB allocations
> for NV12. Dump the second set of allocations as well.

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  tools/intel_watermark.c | 56
> +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
> 
> diff --git a/tools/intel_watermark.c b/tools/intel_watermark.c
> index 8405d6489628..6a47b33c438c 100644
> --- a/tools/intel_watermark.c
> +++ b/tools/intel_watermark.c
> @@ -235,6 +235,16 @@ static const char *skl_buf_cfg_reg_name(int
> pipe, int plane)
>  	return reg_name;
>  }
>  
> +static const char *skl_nv12_buf_cfg_reg_name(int pipe, int plane)
> +{
> +	static char reg_name[32];
> +
> +	snprintf(reg_name, sizeof(reg_name),
> "PLANE_NV12_BUF_CFG_%1d_%c",
> +		 plane, pipe_name(pipe));
> +
> +	return reg_name;
> +}
> +
>  static void skl_wm_dump(void)
>  {
>  	int pipe, plane, level;
> @@ -245,6 +255,7 @@ static void skl_wm_dump(void)
>  	uint32_t wm[num_levels][num_pipes][max_planes];
>  	uint32_t wm_trans[num_pipes][max_planes];
>  	uint32_t buf_cfg[num_pipes][max_planes];
> +	uint32_t nv12_buf_cfg[num_pipes][max_planes];
>  	uint32_t plane_ctl[num_pipes][max_planes];
>  	uint32_t wm_linetime[num_pipes];
>  
> @@ -261,6 +272,10 @@ static void skl_wm_dump(void)
>  			plane_ctl[pipe][plane] = read_reg(addr + 0x80);
>  			wm_trans[pipe][plane] = read_reg(addr +
> 0x00168);
>  			buf_cfg[pipe][plane] = read_reg(addr +
> 0x0017C);
> +			if (plane != 0 && intel_gen(devid) < 11)
> +				nv12_buf_cfg[pipe][plane] =
> read_reg(addr + 0x00178);
> +			else
> +				nv12_buf_cfg[pipe][plane] = 0;
>  			for (level = 0; level < num_levels; level++) {
>  				wm_offset = addr + 0x00140 + level *
> 0x4;
>  				wm[level][pipe][plane] =
> read_reg(wm_offset);
> @@ -326,6 +341,22 @@ static void skl_wm_dump(void)
>  			       buf_cfg[pipe][plane]);
>  		}
>  		printf("\n");
> +
> +		if (intel_gen(devid) >= 11)
> +			continue;
> +
> +		if (plane == 0)
> +			continue;
> +
> +		for (pipe = 0; pipe < num_pipes; pipe++) {
> +			if (plane >= skl_num_planes(devid, pipe))
> +				break;
> +
> +			printf("%18s 0x%08x\t",
> +			       skl_nv12_buf_cfg_reg_name(pipe, plane),
> +			       nv12_buf_cfg[pipe][plane]);
> +		}
> +		printf("\n");
>  	}
>  	printf("\n");
>  
> @@ -402,6 +433,31 @@ static void skl_wm_dump(void)
>  			size = end - start + 1;
>  			printf("%10d", (end == 0 && size == 1) ? 0 :
> size);
>  		}
> +		printf("\n");
> +
> +		if (intel_gen(devid) < 11) {
> +			printf("\nNV12 DDB allocation:");
> +
> +			printf("\nstart");
> +			for (plane = 0; plane < num_planes; plane++) {
> +				start =
> REG_DECODE1(nv12_buf_cfg[pipe][plane], 0, 11);
> +				printf("%10d", start);
> +			}
> +
> +			printf("\n  end");
> +			for (plane = 0; plane < num_planes; plane++) {
> +				end =
> REG_DECODE1(nv12_buf_cfg[pipe][plane], 16, 11);
> +				printf("%10d", end);
> +			}
> +
> +			printf("\n size");
> +			for (plane = 0; plane < num_planes; plane++) {
> +				start =
> REG_DECODE1(nv12_buf_cfg[pipe][plane], 0, 11);
> +				end
> =  REG_DECODE1(nv12_buf_cfg[pipe][plane], 16, 11);
> +				size = end - start + 1;
> +				printf("%10d", (end == 0 && size == 1)
> ? 0 : size);
> +			}
> +		}
>  
>  		printf("\n\n\n");
>  	}
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