void intel_uncore_early_sanitize(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (HAS_FPGA_DBG_UNCLAIMED(dev))
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
if (IS_HASWELL(dev) &&
(__raw_i915_read32(dev_priv, HSW_EDRAM_PRESENT) == 1)) {
/* The docs do not explain exactly how the calculation can be
* made. It is somewhat guessable, but for now, it's always
* 128MB.
* NB: We can't write IDICR yet because we do not have gt funcs
* set up */
dev_priv->ellc_size = 128;
DRM_INFO("Found %zuMB of eLLC\n", dev_priv->ellc_size);
}
/* clear out old GT FIFO errors */
if (IS_GEN6(dev) || IS_GEN7(dev))
__raw_i915_write32(dev_priv, GTFIFODBG,
__raw_i915_read32(dev_priv, GTFIFODBG));
intel_uncore_forcewake_reset(dev);
}
void intel_uncore_early_sanitize(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (HAS_FPGA_DBG_UNCLAIMED(dev))
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
}
void intel_uncore_clear_errors(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
/* XXX needs spinlock around caller's grouping */
if (HAS_FPGA_DBG_UNCLAIMED(dev))
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
}
static void
hsw_unclaimed_reg_check(struct drm_i915_private *dev_priv, u32 reg)
{
if (HAS_FPGA_DBG_UNCLAIMED(dev_priv->dev) &&
(__raw_i915_read32(dev_priv, FPGA_DBG) & FPGA_DBG_RM_NOCLAIM)) {
DRM_ERROR("Unclaimed write to %x\n", reg);
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
}
}
void intel_uncore_check_errors(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (HAS_FPGA_DBG_UNCLAIMED(dev) &&
(__raw_i915_read32(dev_priv, FPGA_DBG) & FPGA_DBG_RM_NOCLAIM)) {
DRM_ERROR("Unclaimed register before interrupt\n");
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
}
}
static void
hsw_unclaimed_reg_clear(struct drm_i915_private *dev_priv, u32 reg)
{
if (HAS_FPGA_DBG_UNCLAIMED(dev_priv->dev) &&
(__raw_i915_read32(dev_priv, FPGA_DBG) & FPGA_DBG_RM_NOCLAIM)) {
DRM_ERROR("Unknown unclaimed register before writing to %x\n",
reg);
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
}
}
