From: Paulo Zanoni <[email protected]> For now it just prints the value of the forbid_refcount and allowing variables.
Signed-off-by: Paulo Zanoni <[email protected]> --- drivers/gpu/drm/i915/i915_debugfs.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index ed72fe0..320f4c2 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1674,6 +1674,26 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) return 0; } +static int i915_pc8_status(struct seq_file *m, void *unused) +{ + 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; + + if (!IS_HASWELL(dev)) { + seq_puts(m, "not supported\n"); + return 0; + } + + mutex_lock(&dev_priv->pc8.lock); + seq_printf(m, "Core display allowing: %s\n", + yesno(dev_priv->pc8.allowing)); + seq_printf(m, "Forbid refcount: %d\n", dev_priv->pc8.forbid_refcnt); + mutex_unlock(&dev_priv->pc8.lock); + + return 0; +} + static int i915_wedged_get(void *data, u64 *val) { @@ -2107,6 +2127,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"i915_dpio", i915_dpio_info, 0}, {"i915_llc", i915_llc, 0}, {"i915_edp_psr_status", i915_edp_psr_status, 0}, + {"i915_pc8_status", i915_pc8_status, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) -- 1.8.1.2 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
