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i915/drrs/debugfs: psr status info addition 

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
hifive-unleashed-5.1
C, Ramalingam 2017-11-20 09:53:47 +05:30 committed by Rodrigo Vivi
parent 35954e88bc
commit ce6e21370d
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/i915/i915_debugfs.c
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@ -3363,7 +3363,10 @@ 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 (dev_priv->psr.enabled)
seq_puts(m,
"\tAs PSR is enabled, DRRS is not enabled\n");
mutex_unlock(&drrs->mutex);
return;
}