diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 5363e9c66c27..359f6e8b9b00 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -676,6 +676,7 @@ static void i915_ring_error_state(struct seq_file *m, seq_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]); seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]); if (INTEL_INFO(dev)->gen >= 6) { + seq_printf(m, " RC PSMI: 0x%08x\n", error->rc_psmi[ring]); seq_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]); seq_printf(m, " SYNC_0: 0x%08x\n", error->semaphore_mboxes[ring][0]); @@ -713,6 +714,7 @@ static int i915_error_state(struct seq_file *m, void *unused) seq_printf(m, "EIR: 0x%08x\n", error->eir); seq_printf(m, "IER: 0x%08x\n", error->ier); seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); + seq_printf(m, "CCID: 0x%08x\n", error->ccid); for (i = 0; i < dev_priv->num_fence_regs; i++) seq_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]); @@ -1765,6 +1767,64 @@ static const struct file_operations i915_max_freq_fops = { }; static ssize_t +i915_min_freq_read(struct file *filp, char __user *ubuf, size_t max, + loff_t *ppos) +{ + struct drm_device *dev = filp->private_data; + drm_i915_private_t *dev_priv = dev->dev_private; + char buf[80]; + int len; + + len = snprintf(buf, sizeof(buf), + "min freq: %d\n", dev_priv->min_delay * 50); + + if (len > sizeof(buf)) + len = sizeof(buf); + + return simple_read_from_buffer(ubuf, max, ppos, buf, len); +} + +static ssize_t +i915_min_freq_write(struct file *filp, const char __user *ubuf, size_t cnt, + loff_t *ppos) +{ + struct drm_device *dev = filp->private_data; + struct drm_i915_private *dev_priv = dev->dev_private; + char buf[20]; + int val = 1; + + if (cnt > 0) { + if (cnt > sizeof(buf) - 1) + return -EINVAL; + + if (copy_from_user(buf, ubuf, cnt)) + return -EFAULT; + buf[cnt] = 0; + + val = simple_strtoul(buf, NULL, 0); + } + + DRM_DEBUG_DRIVER("Manually setting min freq to %d\n", val); + + /* + * Turbo will still be enabled, but won't go below the set value. + */ + dev_priv->min_delay = val / 50; + + gen6_set_rps(dev, val / 50); + + return cnt; +} + +static const struct file_operations i915_min_freq_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = i915_min_freq_read, + .write = i915_min_freq_write, + .llseek = default_llseek, +}; + +static ssize_t i915_cache_sharing_read(struct file *filp, char __user *ubuf, size_t max, @@ -1997,6 +2057,12 @@ int i915_debugfs_init(struct drm_minor *minor) return ret; ret = i915_debugfs_create(minor->debugfs_root, minor, + "i915_min_freq", + &i915_min_freq_fops); + if (ret) + return ret; + + ret = i915_debugfs_create(minor->debugfs_root, minor, "i915_cache_sharing", &i915_cache_sharing_fops); if (ret) @@ -2028,6 +2094,8 @@ void i915_debugfs_cleanup(struct drm_minor *minor) 1, minor); drm_debugfs_remove_files((struct drm_info_list *) &i915_max_freq_fops, 1, minor); + drm_debugfs_remove_files((struct drm_info_list *) &i915_min_freq_fops, + 1, minor); drm_debugfs_remove_files((struct drm_info_list *) &i915_cache_sharing_fops, 1, minor); drm_debugfs_remove_files((struct drm_info_list *) &i915_ring_stop_fops, |