From: José Roberto de Souza Date: Tue, 18 Sep 2018 20:47:13 +0000 (-0700) Subject: drm/i915: Move IPC WA #1141 to init_ipc() X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=c9b818d3f9f4eca54a2ad3083b4584f453b20bed;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Move IPC WA #1141 to init_ipc() symmetric_memory do not change after initialization so lets just set ipc_enabled once for this WA. Reviewed-by: Rodrigo Vivi Signed-off-by: José Roberto de Souza Signed-off-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20180918204714.27306-5-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 538bcde0bf7d..1392aa56a55a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6120,11 +6120,6 @@ void intel_enable_ipc(struct drm_i915_private *dev_priv) if (!HAS_IPC(dev_priv)) return; - /* Display WA #1141: SKL:all KBL:all CFL */ - if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) && - !dev_priv->dram_info.symmetric_memory) - dev_priv->ipc_enabled = false; - val = I915_READ(DISP_ARB_CTL2); if (dev_priv->ipc_enabled) @@ -6140,7 +6135,12 @@ void intel_init_ipc(struct drm_i915_private *dev_priv) if (!HAS_IPC(dev_priv)) return; - dev_priv->ipc_enabled = true; + /* Display WA #1141: SKL:all KBL:all CFL */ + if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) + dev_priv->ipc_enabled = dev_priv->dram_info.symmetric_memory; + else + dev_priv->ipc_enabled = true; + intel_enable_ipc(dev_priv); }