diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 2d846aa39ca5..0a45063b465f 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1728,8 +1728,9 @@ static void gen8_ppgtt_enable(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); struct intel_engine_cs *engine; + enum intel_engine_id id; - for_each_engine(engine, dev_priv) { + for_each_engine(engine, dev_priv, id) { u32 four_level = USES_FULL_48BIT_PPGTT(dev) ? GEN8_GFX_PPGTT_48B : 0; I915_WRITE(RING_MODE_GEN7(engine), _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE | four_level)); @@ -1741,6 +1742,7 @@ static void gen7_ppgtt_enable(struct drm_device *dev) struct drm_i915_private *dev_priv = to_i915(dev); struct intel_engine_cs *engine; uint32_t ecochk, ecobits; + enum intel_engine_id id; ecobits = I915_READ(GAC_ECO_BITS); I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B); @@ -1754,7 +1756,7 @@ static void gen7_ppgtt_enable(struct drm_device *dev) } I915_WRITE(GAM_ECOCHK, ecochk); - for_each_engine(engine, dev_priv) { + for_each_engine(engine, dev_priv, id) { /* GFX_MODE is per-ring on gen7+ */ I915_WRITE(RING_MODE_GEN7(engine), _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)); @@ -2239,11 +2241,12 @@ static bool needs_idle_maps(struct drm_i915_private *dev_priv) void i915_check_and_clear_faults(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; + enum intel_engine_id id; if (INTEL_INFO(dev_priv)->gen < 6) return; - for_each_engine(engine, dev_priv) { + for_each_engine(engine, dev_priv, id) { u32 fault_reg; fault_reg = I915_READ(RING_FAULT_REG(engine)); if (fault_reg & RING_FAULT_VALID) { @@ -2260,7 +2263,10 @@ void i915_check_and_clear_faults(struct drm_i915_private *dev_priv) fault_reg & ~RING_FAULT_VALID); } } - POSTING_READ(RING_FAULT_REG(&dev_priv->engine[RCS])); + + /* Engine specific init may not have been done till this point. */ + if (dev_priv->engine[RCS]) + POSTING_READ(RING_FAULT_REG(dev_priv->engine[RCS])); } static void i915_ggtt_flush(struct drm_i915_private *dev_priv) |