drm/i915: PSR link standby at debugfs
It is useful to know at debug time if we are keeping main link on.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e515aad..0d11cbe 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2248,6 +2248,9 @@
}
seq_puts(m, "\n");
+ seq_printf(m, "Link standby: %s\n",
+ yesno((bool)dev_priv->psr.link_standby));
+
/* CHV PSR has no kind of performance counter */
if (HAS_PSR(dev) && HAS_DDI(dev)) {
psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) &