[Intel-xe] [PATCH] drm/xe/xe2: Add missing mocs entry

[Matt Roper]

On Wed, Oct 04, 2023 at 08:03:17AM -0700, Lucas De Marchi wrote:
> Add index 4 so WB on both L3 and L4 can be used by userspace.
> 
> Bspec: 71582
> Link: https://lore.kernel.org/all/7oqovb356dx2hm5muop3xjqr4kv7m5fzjisch3vmsmxm33ygtv@eib4jielia35/
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

> ---
>  drivers/gpu/drm/xe/xe_mocs.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_mocs.c b/drivers/gpu/drm/xe/xe_mocs.c
> index ada3114be4fa..19a8146ded9a 100644
> --- a/drivers/gpu/drm/xe/xe_mocs.c
> +++ b/drivers/gpu/drm/xe/xe_mocs.c
> @@ -385,6 +385,8 @@ static const struct xe_mocs_entry xe2_mocs_table[] = {
>  	MOCS_ENTRY(2, IG_PAT | XE2_L3_3_UC | L4_0_WB, 0),
>  	/* Uncached L3 + L4 */
>  	MOCS_ENTRY(3, IG_PAT | XE2_L3_3_UC | L4_3_UC, 0),
> +	/* Cached L3 + L4 */
> +	MOCS_ENTRY(4, IG_PAT | XE2_L3_0_WB | L4_0_WB, 0),
>  };
>  
>  static unsigned int get_mocs_settings(struct xe_device *xe,
> -- 
> 2.40.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation