[igt-dev] [PATCH i-g-t] lib/igt_draw: Change MOCS settings for MTL

[B, Jeevan]

We are seeing at BAT failure which is not related to this patch. Can you please help with this. 

IGT changes
Possible regressions
igt at i915_selftest@live at guc_multi_lrc:
fi-kbl-soraka: NOTRUN -> INCOMPLETE

Thanks 
Jeevan B 

> -----Original Message-----
> From: B, Jeevan <jeevan.b at intel.com>
> Sent: Thursday, December 15, 2022 1:50 PM
> To: igt-dev at lists.freedesktop.org
> Cc: Roper, Matthew D <matthew.d.roper at intel.com>; B S, Karthik
> <karthik.b.s at intel.com>; B, Jeevan <jeevan.b at intel.com>
> Subject: [PATCH i-g-t] lib/igt_draw: Change MOCS settings for MTL
> 
> On MTL, we want the table entry labelled "UC (GO:Mem)"
> which has index 5.  This means that the MOCS value is 10.
> 
> Signed-off-by: Jeevan B <jeevan.b at intel.com>
> ---
>  lib/igt_draw.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/igt_draw.c b/lib/igt_draw.c index 975d65cd..d8cc60f9 100644
> --- a/lib/igt_draw.c
> +++ b/lib/igt_draw.c
> @@ -703,7 +703,10 @@ static void draw_rect_blt(int fd, struct cmd_data
> *cmd_data,
> 
>  		intel_bb_out(ibb, XY_FAST_COLOR_BLT | blt_cmd_depth);
>  		/* DG2 MOCS entry 2 is "UC - Non-Coherent; GO:Memory" */
> -		intel_bb_out(ibb, blt_cmd_tiling | 2 << 21 | (pitch-1));
> +		if (IS_METEORLAKE(intel_get_drm_devid(fd)))
> +			intel_bb_out(ibb, blt_cmd_tiling | 10 << 21 | (pitch-
> 1));
> +		else
> +			intel_bb_out(ibb, blt_cmd_tiling | 2 << 21 | (pitch-
> 1));
>  		intel_bb_out(ibb, (rect->y << 16) | rect->x);
>  		intel_bb_out(ibb, ((rect->y + rect->h) << 16) | (rect->x + rect-
> >w));
>  		intel_bb_emit_reloc_fenced(ibb, dst->handle, 0,
> --
> 2.36.0