drm/i915: Enable GuC TLB invalidations for MTL

Enable GuC TLB invalidations for MTL.  Though more platforms than just
MTL support GuC TLB invalidations, MTL is presently the only platform
that requires it for any purpose, so only enable it there for now to
minimize cross-platform impact.

Signed-off-by: Jonathan Cavitt <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Acked-by: Tvrtko Ursulin <[email protected]>
Reviewed-by: Nirmoy Das <[email protected]>
Signed-off-by: Andi Shyti <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index fcacdc21643cfa469e3f9d599918f75f07d6ba54..ffbe5d0abf8f3333f2f560c8c8db32dda7009479 100644 (file)
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -830,6 +830,7 @@ static const struct intel_device_info mtl_info = {
        .has_flat_ccs = 0,
        .has_gmd_id = 1,
        .has_guc_deprivilege = 1,
+       .has_guc_tlb_invalidation = 1,
        .has_llc = 0,
        .has_mslice_steering = 0,
        .has_snoop = 1,