From: Jouni Högander Date: Thu, 28 Mar 2024 14:19:28 +0000 (+0200) Subject: drm/i915/psr: Do not write ALPM configuration for PSR1 or DP2.0 Panel Replay X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=71cdfa8cad300caa7afcbba09776bbc8dcfa9e39;p=linux.git drm/i915/psr: Do not write ALPM configuration for PSR1 or DP2.0 Panel Replay No need to write ALPM configuration for DP2.0 Panel Replay or PSR1. Signed-off-by: Jouni Högander Reviewed-by: Animesh Manna Link: https://patchwork.freedesktop.org/patch/msgid/20240328141928.1311284-6-jouni.hogander@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 345493c853227..eef62983e9db6 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1723,7 +1723,8 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp) struct intel_psr *psr = &intel_dp->psr; u32 alpm_ctl; - if (DISPLAY_VER(dev_priv) < 20) + if (DISPLAY_VER(dev_priv) < 20 || (!intel_dp->psr.psr2_enabled && + !intel_dp_is_edp(intel_dp))) return; /*