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Commit 6e4f10c3 authored by Mika Kuoppala's avatar Mika Kuoppala Committed by Mika Kuoppala
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drm/i915/kbl: Add WaSkipStolenMemoryFirstPage for A0 



We need this for kbl a0 boards. Note that this should be also
for bxt A0 but we omit that on purpose as bxt A0's are
out of fashion already.

References: HSD#1912158, HSD#4393097
Signed-off-by: default avatarMika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-5-git-send-email-mika.kuoppala@intel.com
parent c033a37c

drivers/gpu/drm/i915/i915_gem_stolen.c

+4 −2
Original line number Diff line number Diff line
@@ -55,8 +55,10 @@ int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv, 
		return -ENODEV;



	/* See the comment at the drm_mm_init() call for more about this check.

	 * WaSkipStolenMemoryFirstPage:bdw,chv (incomplete) */

	if (IS_GEN8(dev_priv) && start < 4096)

	 * WaSkipStolenMemoryFirstPage:bdw,chv,kbl (incomplete)

	 */

	if (start < 4096 && (IS_GEN8(dev_priv) ||

			     IS_KBL_REVID(dev_priv, 0, KBL_REVID_A0)))

		start = 4096;



	mutex_lock(&dev_priv->mm.stolen_lock);