diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 10aa7762d9a6..d60f38adc4c4 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -144,9 +144,9 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, has_full_48bit_ppgtt = dev_priv->info.has_full_48bit_ppgtt; if (intel_vgpu_active(dev_priv)) { - /* emulation is too hard */ + /* GVT-g has no support for 32bit ppgtt */ has_full_ppgtt = false; - has_full_48bit_ppgtt = false; + has_full_48bit_ppgtt = intel_vgpu_has_full_48bit_ppgtt(dev_priv); } if (!has_aliasing_ppgtt) @@ -180,10 +180,15 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, return 0; } - if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists && has_full_ppgtt) - return has_full_48bit_ppgtt ? 3 : 2; - else - return has_aliasing_ppgtt ? 1 : 0; + if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists) { + if (has_full_48bit_ppgtt) + return 3; + + if (has_full_ppgtt) + return 2; + } + + return has_aliasing_ppgtt ? 1 : 0; } static int ppgtt_bind_vma(struct i915_vma *vma, @@ -2737,6 +2742,24 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size) return 0; } +static void cnl_setup_private_ppat(struct drm_i915_private *dev_priv) +{ + /* XXX: spec is unclear if this is still needed for CNL+ */ + if (!USES_PPGTT(dev_priv)) { + I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_UC); + return; + } + + I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_WB | GEN8_PPAT_LLC); + I915_WRITE(GEN10_PAT_INDEX(1), GEN8_PPAT_WC | GEN8_PPAT_LLCELLC); + I915_WRITE(GEN10_PAT_INDEX(2), GEN8_PPAT_WT | GEN8_PPAT_LLCELLC); + I915_WRITE(GEN10_PAT_INDEX(3), GEN8_PPAT_UC); + I915_WRITE(GEN10_PAT_INDEX(4), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0)); + I915_WRITE(GEN10_PAT_INDEX(5), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1)); + I915_WRITE(GEN10_PAT_INDEX(6), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)); + I915_WRITE(GEN10_PAT_INDEX(7), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); +} + /* The GGTT and PPGTT need a private PPAT setup in order to handle cacheability * bits. When using advanced contexts each context stores its own PAT, but * writing this data shouldn't be harmful even in those cases. */ @@ -2851,7 +2874,9 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt) ggtt->base.total = (size / sizeof(gen8_pte_t)) << PAGE_SHIFT; - if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10) + cnl_setup_private_ppat(dev_priv); + else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) chv_setup_private_ppat(dev_priv); else bdw_setup_private_ppat(dev_priv); @@ -3133,7 +3158,9 @@ void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv) ggtt->base.closed = false; if (INTEL_GEN(dev_priv) >= 8) { - if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10) + cnl_setup_private_ppat(dev_priv); + else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) chv_setup_private_ppat(dev_priv); else bdw_setup_private_ppat(dev_priv); |