[PATCH 2/2] i915/drrs/debugfs: module param and psr status

Ramalingam C
2017-10-31T09:23:54Z

From: "C, Ramalingam" <ramalingam.c@intel.com>

When DRRS is disabled, i915_drrs_status is updated with the runtime
disable state of drrs due to
i915_modparams.enable_drrs - module parameters
psr.enabled - psr active status

Signed-off-by: C, Ramalingam <ramalingam.c@intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5b58d2b897c7..0a0ae22fc9c2 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3569,7 +3569,16 @@ static void drrs_status_per_crtc(struct seq_file *m,

/* disable_drrs() will make drrs->dp NULL */
if (!drrs->dp) {
- seq_puts(m, "Idleness DRRS: Disabled");
+ seq_puts(m, "Idleness DRRS: Disabled\n");
+
+ if (!i915_modparams.enable_drrs)
+ seq_puts(m,
+ "\tModule parameter enable_drrs is disabled\n");
+
+ if (dev_priv->psr.enabled)
+ seq_puts(m,
+ "\tAs PSR is enabled, DRRS is not enabled\n");
+
mutex_unlock(&drrs->mutex);
return;
}
--
2.7.4