From: José Roberto de Souza <jose.souza@intel.com>
Date: Wed, 5 May 2021 21:38:01 +0000 (-0700)
Subject: drm/i915/display: Disable PSR2 sel fetch in TGL pre-production
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9a5b5e1b981309179e030aca0c535a4f037dfa95;p=linux.git

drm/i915/display: Disable PSR2 sel fetch in TGL pre-production

The implementation of two workarounds are missing causing failures
in CI with pre-production HW.

Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210505213801.80772-1-jose.souza@intel.com
---

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index e3c30dcadcd13..406ba9a712a86 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -720,6 +720,13 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp,
 		}
 	}
 
+	/* Wa_14010254185 Wa_14010103792 */
+	if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B1)) {
+		drm_dbg_kms(&dev_priv->drm,
+			    "PSR2 sel fetch not enabled, missing the implementation of WAs\n");
+		return false;
+	}
+
 	return crtc_state->enable_psr2_sel_fetch = true;
 }