[Intel-gfx] [PATCH v4 2/8] drm/i915/mtl: fix mocs selftest

[Matt Roper]

On Fri, Apr 21, 2023 at 10:37:55AM -0700, fei.yang at intel.com wrote:
> From: Fei Yang <fei.yang at intel.com>
> 
> Media GT has a different base for MOCS register, need to apply
> gsi_offset to the mmio address if not using the intel_uncore_r/w
> functions for register access.
> 
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Signed-off-by: Fei Yang <fei.yang at intel.com>

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

> ---
>  drivers/gpu/drm/i915/gt/selftest_mocs.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/selftest_mocs.c b/drivers/gpu/drm/i915/gt/selftest_mocs.c
> index ca009a6a13bd..a8446ab82501 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_mocs.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_mocs.c
> @@ -131,13 +131,14 @@ static int read_mocs_table(struct i915_request *rq,
>  			   const struct drm_i915_mocs_table *table,
>  			   u32 *offset)
>  {
> +	struct intel_gt *gt = rq->engine->gt;
>  	u32 addr;
>  
>  	if (!table)
>  		return 0;
>  
>  	if (HAS_GLOBAL_MOCS_REGISTERS(rq->engine->i915))
> -		addr = global_mocs_offset();
> +		addr = global_mocs_offset() + gt->uncore->gsi_offset;
>  	else
>  		addr = mocs_offset(rq->engine);
>  
> -- 
> 2.25.1
> 

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