FAILED: patch "[PATCH] phy: qcom: edp: Fix AUX_CFG8 programming for DP mode" failed to apply to 6.18-stable tree

FAILED: patch "[PATCH] phy: qcom: edp: Fix AUX_CFG8 programming for DP mode" failed to apply to 6.18-stable tree

[gregkh]

The patch below does not apply to the 6.18-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.18.y
git checkout FETCH_HEAD
git cherry-pick -x bf237a9fcbbf9d658522f7315ffc04bf2d49be42
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026052824-rigging-trial-9eaf@gregkh' --subject-prefix 'PATCH 6.18.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From bf237a9fcbbf9d658522f7315ffc04bf2d49be42 Mon Sep 17 00:00:00 2001
From: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Date: Mon, 27 Apr 2026 14:35:22 +0800
Subject: [PATCH] phy: qcom: edp: Fix AUX_CFG8 programming for DP mode

AUX_CFG8 depends on whether the PHY is operating in eDP or DP mode, not
the selected swing/pre-emphasis table. All supported platforms already
have the proper tables, so remove the unnecessary check.

Cc: stable@vger.kernel.org
Fixes: 6078b8ce070c ("phy: qcom: edp: Add set_mode op for configuring eDP/DP submode")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Link: https://patch.msgid.link/20260427-edp_phy-v5-4-3bb876824475@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index 3e613b374032..3a848f18a8d6 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -325,12 +325,7 @@ static int qcom_edp_phy_init(struct phy *phy)
 	       DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
 	       edp->edp + DP_PHY_PD_CTL);
 
-	/*
-	 * TODO: Re-work the conditions around setting the cfg8 value
-	 * when more information becomes available about why this is
-	 * even needed.
-	 */
-	if (edp->cfg->dp_swing_pre_emph_cfg && !edp->is_edp)
+	if (!edp->is_edp)
 		aux_cfg[8] = 0xb7;
 
 	writel(0xfc, edp->edp + DP_PHY_MODE);