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authorJosé Roberto de Souza <jose.souza@intel.com>2018-09-18 13:47:12 -0700
committerRodrigo Vivi <rodrigo.vivi@intel.com>2018-09-26 17:06:19 -0700
commit6323113b7af6ef2f095f159752b06e83a64d8b9a (patch)
treef475ef171ee497f50f0385763dc90986045cd3a3 /drivers/gpu/drm/i915
parentfd847b8e60e0db72fd7d8922da0d1b07c1454efa (diff)
drm/i915: Move SKL IPC WA to HAS_IPC()
SKL has IPC but it should not be set according to the WA, so lets just mark as it don't have it to simply the code and avoid unnecessary MMIO writes at every call to intel_enable_ipc(). 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/20180918204714.27306-4-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_pci.c2
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c4
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index d6f7b9fe1d26..adac75e5d5f7 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -472,6 +472,8 @@ static const struct intel_device_info intel_cherryview_info = {
#define SKL_PLATFORM \
GEN9_FEATURES, \
+ /* Display WA #0477 WaDisableIPC: skl */ \
+ .has_ipc = 0, \
PLATFORM(INTEL_SKYLAKE)
static const struct intel_device_info intel_skylake_gt1_info = {
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e2ca04534e23..538bcde0bf7d 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6120,10 +6120,6 @@ void intel_enable_ipc(struct drm_i915_private *dev_priv)
if (!HAS_IPC(dev_priv))
return;
- /* Display WA #0477 WaDisableIPC: skl */
- if (IS_SKYLAKE(dev_priv))
- dev_priv->ipc_enabled = false;
-
/* Display WA #1141: SKL:all KBL:all CFL */
if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) &&
!dev_priv->dram_info.symmetric_memory)