On Fri, Apr 21, 2023 at 10:37:55AM -0700, fei.yang@xxxxxxxxx wrote:
> From: Fei Yang <fei.yang@xxxxxxxxx>
>
> 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@xxxxxxxxx>
> Signed-off-by: Fei Yang <fei.yang@xxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> 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
