diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 736c845eb77f..8f460cc4cc1f 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1228,7 +1228,7 @@ static int gen8_init_scratch(struct i915_address_space *vm) vm->scratch_pte = gen8_pte_encode(vm->scratch_page.daddr, I915_CACHE_LLC, - PTE_READ_ONLY); + vm->has_read_only); vm->scratch_pt = alloc_pt(vm); if (IS_ERR(vm->scratch_pt)) { @@ -1548,8 +1548,13 @@ static struct i915_hw_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) ppgtt_init(i915, ppgtt); - /* From bdw, there is support for read-only pages in the PPGTT. */ - ppgtt->vm.has_read_only = true; + /* + * From bdw, there is hw support for read-only pages in the PPGTT. + * + * Gen11 has HSDES#:1807136187 unresolved. Disable ro support + * for now. + */ + ppgtt->vm.has_read_only = INTEL_GEN(i915) != 11; /* There are only few exceptions for gen >=6. chv and bxt. * And we are not sure about the latter so play safe for now. |