FAILED: patch "[PATCH] drm/i915/display: For MTL+ platforms skip mg dp programming" failed to apply to 5.15-stable tree

The patch below does not apply to the 5.15-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 <[email protected]>.

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-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x aaf9dc86bd806458f848c39057d59e5aa652a399
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2024072940-cryptic-starter-05a2@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:

aaf9dc86bd80 ("drm/i915/display: For MTL+ platforms skip mg dp programming") 7fcf755896a3 ("drm/i915/display: use intel_encoder_is/to_* functions") 0a099232d254 ("drm/i915/snps: pass encoder to intel_snps_phy_update_psr_power_state()") 684a37a6ffa9 ("drm/i915/ddi: pass encoder to intel_wait_ddi_buf_active()") 65ea19a698f2 ("drm/i915/hdmi: convert *_port_to_ddc_pin() to *_encoder_to_ddc_pin()") 6a8c66bf0e56 ("drm/i915: Don't explode when the dig port we don't have an AUX CH") d5c7854b50e6 ("drm/i915/xe2lpd: Move D2D enable/disable")
2e4b90fbe755 ("drm/i915: Filter out glitches on HPD lines during hotplug detection") 31a5b6ed88c7 ("drm/i915/display: Unify VSC SPD preparation")
00076671a648 ("drm/i915/display: Move colorimetry_support from intel_psr to intel_dp") e11300a1d8e3 ("drm/i915/display: Remove intel_crtc_state->psr_vsc") 561322c3bc14 ("drm/i915/display: Skip state verification with TBT-ALT mode") 7966a93a27cf ("drm/i915: Push audio enable/disable further out") 59be90248b42 ("drm/i915/mtl: C20 state verification")
3257e55d3ea7 ("drm/i915/panelreplay: enable/disable panel replay") b8cf5b5d266e ("drm/i915/panelreplay: Initializaton and compute config for panel replay") dd8f2298e34b ("drm/i915/psr: Move psr specific dpcd init into own function") 36f579ffc692 ("drm/i915/dp_mst: Improve BW sharing between MST streams") e37137380931 ("drm/i915/dp_mst: Force modeset CRTC if DSC toggling requires it") b2608c6b3212 ("drm/i915/dp_mst: Enable MST DSC decompression for all streams")

thanks,

greg k-h

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

From aaf9dc86bd806458f848c39057d59e5aa652a399 Mon Sep 17 00:00:00 2001
From: Imre Deak <[email protected]>
Date: Tue, 25 Jun 2024 14:18:40 +0300
Subject: [PATCH] drm/i915/display: For MTL+ platforms skip mg dp programming

For MTL+ platforms we use PICA chips for Type-C support and hence mg programming is not needed.

Fixes issue with drm warn of TC port not being in legacy mode.

index bb13a3ca8c7c..6672fc162c4f 100644
@@ -2096,6 +2096,9 @@ icl_program_mg_dp_mode(struct intel_digital_port *dig_port,
 	u32 ln0, ln1, pin_assignment;
 	u8 width;
 
+	if (DISPLAY_VER(dev_priv) >= 14)
+		return;
+
 	if (!intel_encoder_is_tc(&dig_port->base) ||
 	    intel_tc_port_in_tbt_alt_mode(dig_port))
 		return;