From: Mika Kuoppala Date: Tue, 7 Jun 2016 14:18:56 +0000 (+0300) Subject: drm/i915/kbl: Add WaSkipStolenMemoryFirstPage for A0 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6e4f10c33a8bd0df4412bc31c0f11930e0228123;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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: Mika Kuoppala Reviewed-by: Matthew Auld Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-5-git-send-email-mika.kuoppala@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index f9253f2b7ba0..e9cd82290408 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -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);