diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index 18177a8e4aad..91829f1f0706 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -1003,3 +1003,18 @@ void intel_gt_info_print(const struct intel_gt_info *info, intel_sseu_dump(&info->sseu, p); } + +enum i915_map_type intel_gt_coherent_map_type(struct intel_gt *gt, + struct drm_i915_gem_object *obj, + bool always_coherent) +{ + /* + * Wa_22016122933: always return I915_MAP_WC for MTL + */ + if (i915_gem_object_is_lmem(obj) || IS_METEORLAKE(gt->i915)) + return I915_MAP_WC; + if (HAS_LLC(gt->i915) || always_coherent) + return I915_MAP_WB; + else + return I915_MAP_WC; +} |