Commit 6fc29133 authored Jun 07, 2016 by Mika Kuoppala Committed by Mika Kuoppala Jun 08, 2016

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

parent ad2bdb44

drivers/gpu/drm/i915/intel_mocs.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}