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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-06-07 17:19:08 +0300 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2016-06-08 16:25:03 +0300 |
| commit | 6fc29133eafb9eb3338024884f3a5a4fa844d45c (patch) | |
| tree | e56ae88d50f6ef6225916c4a12095cde7c9c75cb | |
| parent | ad2bdb44b19529ba992bd0b7667e91b14fe9a9ee (diff) | |
| download | lwn-6fc29133eafb9eb3338024884f3a5a4fa844d45c.tar.gz lwn-6fc29133eafb9eb3338024884f3a5a4fa844d45c.zip | |
drm/i915/gen9: Add WaDisableSkipCaching
Make sure that we never enable skip caching on gen9 by
accident.
References: HSD#2134698
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-17-git-send-email-mika.kuoppala@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/intel_mocs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/intel_mocs.c index b765c75f3fcd..8f96c40e415c 100644 --- a/drivers/gpu/drm/i915/intel_mocs.c +++ b/drivers/gpu/drm/i915/intel_mocs.c @@ -156,6 +156,16 @@ static bool get_mocs_settings(struct drm_i915_private *dev_priv, "Platform that should have a MOCS table does not.\n"); } + /* WaDisableSkipCaching:skl,bxt,kbl */ + if (IS_GEN9(dev_priv)) { + int i; + + for (i = 0; i < table->size; i++) + if (WARN_ON(table->table[i].l3cc_value & + (L3_ESC(1) || L3_SCC(0x7)))) + return false; + } + return result; } |