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drm/i915/psr: Add PSR mode/revision to debugfs

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Log the PSR mode/revision (PSR1 or PSR2) in the debugfs file
i915_edp_psr_status.

Suggested-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Azhar Shaikh <azhar.shaikh@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1534958628-193724-1-git-send-email-azhar.shaikh@intel.com
This commit is contained in:
Azhar Shaikh 2018-08-22 10:23:48 -07:00 • committed by Dhinakaran Pandiyan
commit 0577ab482f
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/i915/i915_debugfs.c
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@ -2708,6 +2708,8 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->psr.lock);
seq_printf(m, "PSR mode: %s\n",
dev_priv->psr.psr2_enabled ? "PSR2" : "PSR1");
seq_printf(m, "Enabled: %s\n", yesno(dev_priv->psr.enabled));
seq_printf(m, "Busy frontbuffer bits: 0x%03x\n",
dev_priv->psr.busy_frontbuffer_bits);