diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 7e8694a70661..16790f2576ec 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -2676,6 +2676,18 @@ static void icl_dbuf_disable(struct drm_i915_private *dev_priv) DRM_ERROR("DBuf power disable timeout!\n"); } +static void icl_mbus_init(struct drm_i915_private *dev_priv) +{ + uint32_t val; + + val = MBUS_ABOX_BT_CREDIT_POOL1(16) | + MBUS_ABOX_BT_CREDIT_POOL2(16) | + MBUS_ABOX_B_CREDIT(1) | + MBUS_ABOX_BW_CREDIT(1); + + I915_WRITE(MBUS_ABOX_CTL, val); +} + static void skl_display_core_init(struct drm_i915_private *dev_priv, bool resume) { @@ -2990,7 +3002,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv, icl_dbuf_enable(dev_priv); /* 7. Setup MBUS. */ - /* FIXME: MBUS code not here yet. */ + icl_mbus_init(dev_priv); /* 8. CHICKEN_DCPR_1 */ I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | |