From 8f2546dd3e3e29d3a13e28746ba75cee2b3c850d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Date: Thu, 8 Apr 2021 14:42:05 -0700 Subject: [PATCH] drm/i915/display: Defeature PSR2 for RKL and ADL-S MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Cc: Gwan-gyeong Mun Signed-off-by: José Roberto de Souza Reviewed-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20210408214205.327704-1-jose.souza@intel.com --- drivers/gpu/drm/i915/display/intel_psr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 32d3d56259c2f..2627d0b558f3d 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -739,6 +739,12 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, return false; } + /* Wa_16011181250 */ + if (IS_ROCKETLAKE(dev_priv) || IS_ALDERLAKE_S(dev_priv)) { + drm_dbg_kms(&dev_priv->drm, "PSR2 is defeatured for this platform\n"); + return false; + } + if (!transcoder_has_psr2(dev_priv, crtc_state->cpu_transcoder)) { drm_dbg_kms(&dev_priv->drm, "PSR2 not supported in transcoder %s\n", -- 2.30.2