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drm/i915/display: Defeature PSR2 for RKL and ADL-S
PSR2 is defeatured for RKL and ADL-S, no important power impact as those are desktop CPUs and PSR2 was not even enabled by default yet in platforms without PSR2 HW tracking. HSDES: 14011750631 HSDES: 14011741325 BSpec: 53273 Cc: Caz Yokoyama <Caz.Yokoyama@intel.com> Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210408214205.327704-1-jose.souza@intel.com
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@ -739,6 +739,12 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
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return false;
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return false;
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}
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}
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/* Wa_16011181250 */
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if (IS_ROCKETLAKE(dev_priv) || IS_ALDERLAKE_S(dev_priv)) {
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drm_dbg_kms(&dev_priv->drm, "PSR2 is defeatured for this platform\n");
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return false;
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}
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if (!transcoder_has_psr2(dev_priv, crtc_state->cpu_transcoder)) {
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if (!transcoder_has_psr2(dev_priv, crtc_state->cpu_transcoder)) {
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drm_dbg_kms(&dev_priv->drm,
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drm_dbg_kms(&dev_priv->drm,
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"PSR2 not supported in transcoder %s\n",
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"PSR2 not supported in transcoder %s\n",
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