[Intel-gfx] [PATCH 1/8] drm/i915/mtl: Set has_llc=0

[Das, Nirmoy]

We have multiple bugs that requires this and it can be picked up 
irrespective of this series. I have sent a trybot patch for this and

once that passes, I will push this one.


https://patchwork.freedesktop.org/series/116746/


Nirmoy

On 4/20/2023 1:00 AM, fei.yang at intel.com wrote:
> From: Fei Yang <fei.yang at intel.com>
>
> On MTL, LLC is not shared between GT and CPU, set has_llc=0.
>
> Signed-off-by: Fei Yang <fei.yang at intel.com>
> Reviewed-by: Andi Shyti <andi.shyti at linux.intel.com>
> Reviewed-by: Andrzej Hajda <andrzej.hajda at intel.com>
> Reviewed-by: Nirmoy Das <nirmoy.das at intel.com>
> ---
>   drivers/gpu/drm/i915/i915_pci.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index d64e074d7457..272a8ba37b64 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -1147,6 +1147,7 @@ static const struct intel_device_info mtl_info = {
>   	.has_flat_ccs = 0,
>   	.has_gmd_id = 1,
>   	.has_guc_deprivilege = 1,
> +	.has_llc = 0,
>   	.has_mslice_steering = 0,
>   	.has_snoop = 1,
>   	.__runtime.memory_regions = REGION_SMEM | REGION_STOLEN_LMEM,