From: "C, Ramalingam" <ramalingam.c@intel.com>
Date: Mon, 20 Nov 2017 09:53:47 +0530
Subject: i915/drrs/debugfs: psr status info addition
Git-commit: ce6e21370d5cacff3cd06c997af65316e7bba577
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Existing debugfs entry i915_drrs_status is updated with whether PSR
is the cause for DRRS disabled state.
[v2]: Dropped the module parameter details as ctl moved from module
parameter to debugfs. [Rodrigo]
[v3]: Crtc ID information is dropped as there is no immediate usecase.
[Rodrigo].
Signed-off-by: C, Ramalingam <ramalingam.c@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1511151827-6596-1-git-send-email-ramalingam.c@intel.com
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3362,7 +3362,10 @@ static void drrs_status_per_crtc(struct
/* disable_drrs() will make drrs->dp NULL */
if (!drrs->dp) {
- seq_puts(m, "Idleness DRRS: Disabled");
+ seq_puts(m, "Idleness DRRS: Disabled\n");
+ if (dev_priv->psr.enabled)
+ seq_puts(m,
+ "\tAs PSR is enabled, DRRS is not enabled\n");
mutex_unlock(&drrs->mutex);
return;
}