diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 1d5bfdb4fe9..14b517d61b4 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -660,20 +660,40 @@ err: static inline void intel_ring_emit_wa(struct intel_engine_cs *ring, u32 addr, u32 value) { + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + if (dev_priv->num_wa_regs > I915_MAX_WA_REGS) + return; + intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); intel_ring_emit(ring, addr); intel_ring_emit(ring, value); + + dev_priv->intel_wa_regs[dev_priv->num_wa_regs].addr = addr; + dev_priv->intel_wa_regs[dev_priv->num_wa_regs].mask = (value) & 0xFFFF; + /* value is updated with the status of remaining bits of this + * register when it is read from debugfs file + */ + dev_priv->intel_wa_regs[dev_priv->num_wa_regs].value = value; + dev_priv->num_wa_regs++; + + return; } static int gen8_init_workarounds(struct intel_engine_cs *ring) { int ret; + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; /* * workarounds applied in this fn are part of register state context, * they need to be re-initialized followed by gpu reset, suspend/resume, * module reload. */ + dev_priv->num_wa_regs = 0; + memset(dev_priv->intel_wa_regs, 0, sizeof(dev_priv->intel_wa_regs)); /* * update the number of dwords required based on the @@ -732,6 +752,9 @@ static int gen8_init_workarounds(struct intel_engine_cs *ring) intel_ring_advance(ring); + DRM_DEBUG_DRIVER("Number of Workarounds applied: %d\n", + dev_priv->num_wa_regs); + return 0; } |