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drm/i915/display: Support Multiple Transcoders' PSR status on debugfs
In order to support the PSR state of each transcoder, it adds i915_psr_status to sub-directory of each transcoder. v2: Change using of Symbolic permissions 'S_IRUGO' to using of octal permissions '0444' v5: Addressed JJani Nikula's review comments - Remove checking of Gen12 for i915_psr_status. - Add check of HAS_PSR() - Remove meaningless check routine. Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Anshuman Gupta <anshuman.gupta@intel.com> Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210204134015.419036-2-gwan-gyeong.mun@intel.com
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@ -2211,6 +2211,16 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
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}
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DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
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static int i915_psr_status_show(struct seq_file *m, void *data)
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{
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struct drm_connector *connector = m->private;
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struct intel_dp *intel_dp =
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intel_attached_dp(to_intel_connector(connector));
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return intel_psr_status(m, intel_dp);
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}
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DEFINE_SHOW_ATTRIBUTE(i915_psr_status);
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#define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
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seq_puts(m, "LPSP: incapable\n"))
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@ -2386,6 +2396,12 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
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connector, &i915_psr_sink_status_fops);
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}
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if (HAS_PSR(dev_priv) &&
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connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
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debugfs_create_file("i915_psr_status", 0444, root,
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connector, &i915_psr_status_fops);
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}
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if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
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connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
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connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
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