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Code Issues Releases Wiki Activity

drm/i915: Move IPC WA #1141 to init_ipc()

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symmetric_memory do not change after initialization so lets just set
ipc_enabled once for this WA.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180918204714.27306-5-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2018-09-18 13:47:13 -07:00 committed by Rodrigo Vivi
parent 6323113b7a
commit c9b818d3f9
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/i915/intel_pm.c
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@ -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);
}