[igt-dev] [Intel-gfx] [PATCH i-g-t 1/2] lib/intel_decode: Decode Gen12 ring/batch instructions correctly

[Dixit, Ashutosh]

On Tue, 25 Apr 2023 13:19:25 -0700, John.C.Harrison at Intel.com wrote:
>
> @@ -3623,7 +3624,17 @@ decode_3d_965(struct intel_decode *ctx)
>		return len;
>
>	case 0x7a00:
> -		if (IS_GEN6(devid) || IS_GEN7(devid)) {
> +		if (IS_GEN12(devid)) {
> +			if (len != 6)
> +				fprintf(out, "Bad count in PIPE_CONTROL\n");
> +			instr_out(ctx, 0, "PIPE_CONTROL\n");
> +			instr_out(ctx, 1, "flags\n");
> +			instr_out(ctx, 2, "write address low\n");
> +			instr_out(ctx, 3, "write address high\n");
> +			instr_out(ctx, 4, "write data low\n");
> +			instr_out(ctx, 5, "write data high\n");
> +			return len;

Is there a reference for this? I can review but have no idea what's going
on here. The rest of the patch looks good. Thanks.

> +		} else if (IS_GEN6(devid) || IS_GEN7(devid)) {
>			if (len != 4 && len != 5)
>				fprintf(out, "Bad count in PIPE_CONTROL\n");
>
> --
> 2.39.1
>