drm/i915/display/debugfs: New entry "DRRS capable" to i915_drrs_status
If the connected panel supports both DRRS & PSR, driver gives preference to PSR ("DRRS enabled: no"). Even though the hardware supports DRRS, IGT treats ("DRRS enabled: yes") as not capable. Introduce a new entry "DRRS capable" to debugfs i915_drrs_status, so that IGT will read the DRRS capability as "DRRS capable: yes". Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240221111223.2313692-1-bhanuprakash.modem@intel.com
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@ -299,6 +299,7 @@ void intel_drrs_crtc_init(struct intel_crtc *crtc)
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static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
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{
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struct intel_crtc *crtc = m->private;
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struct drm_i915_private *i915 = to_i915(crtc->base.dev);
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const struct intel_crtc_state *crtc_state;
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int ret;
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@ -310,6 +311,11 @@ static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
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mutex_lock(&crtc->drrs.mutex);
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seq_printf(m, "DRRS capable: %s\n",
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str_yes_no(crtc_state->has_drrs ||
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HAS_DOUBLE_BUFFERED_M_N(i915) ||
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intel_cpu_transcoder_has_m2_n2(i915, crtc_state->cpu_transcoder)));
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seq_printf(m, "DRRS enabled: %s\n",
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str_yes_no(crtc_state->has_drrs));
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