diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 66c90d4477a3..e74674b3097d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1503,6 +1503,53 @@ static int i915_ppgtt_info(struct seq_file *m, void *data) return 0; } +static int i915_dpio_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int ret; + + + if (!IS_VALLEYVIEW(dev)) { + seq_printf(m, "unsupported\n"); + return 0; + } + + ret = mutex_lock_interruptible(&dev->mode_config.mutex); + if (ret) + return ret; + + seq_printf(m, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL)); + + seq_printf(m, "DPIO_DIV_A: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_DIV_A)); + seq_printf(m, "DPIO_DIV_B: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_DIV_B)); + + seq_printf(m, "DPIO_REFSFR_A: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_REFSFR_A)); + seq_printf(m, "DPIO_REFSFR_B: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_REFSFR_B)); + + seq_printf(m, "DPIO_CORE_CLK_A: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_CORE_CLK_A)); + seq_printf(m, "DPIO_CORE_CLK_B: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_CORE_CLK_B)); + + seq_printf(m, "DPIO_LFP_COEFF_A: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_LFP_COEFF_A)); + seq_printf(m, "DPIO_LFP_COEFF_B: 0x%08x\n", + intel_dpio_read(dev_priv, _DPIO_LFP_COEFF_B)); + + seq_printf(m, "DPIO_FASTCLK_DISABLE: 0x%08x\n", + intel_dpio_read(dev_priv, DPIO_FASTCLK_DISABLE)); + + mutex_unlock(&dev->mode_config.mutex); + + return 0; +} + static int i915_debugfs_common_open(struct inode *inode, struct file *filp) @@ -1845,6 +1892,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0}, {"i915_swizzle_info", i915_swizzle_info, 0}, {"i915_ppgtt_info", i915_ppgtt_info, 0}, + {"i915_dpio", i915_dpio_info, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |