This is a note to let you know that I've just added the patch titled
drm/i915/tc: Fix the ICL PHY ownership check in TC-cold state
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-tc-fix-the-icl-phy-ownership-check-in-tc-co.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit ab973fc93b6069d78c6f1cdc70852cf08f9e6415
Author: Imre Deak <imre.deak@xxxxxxxxx>
Date: Thu Mar 16 15:17:13 2023 +0200
drm/i915/tc: Fix the ICL PHY ownership check in TC-cold state
[ Upstream commit 38c583019484f190d5b33f59b8ae810e6b1763c6 ]
The commit renaming icl_tc_phy_is_in_safe_mode() to
icl_tc_phy_take_ownership() didn't flip the function's return value
accordingly, fix this up.
This didn't cause an actual problem besides state check errors, since
the function is only used during HW readout.
Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
Fixes: f53979d68a77 ("drm/i915/display/tc: Rename safe_mode functions ownership")
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20230316131724.359612-4-imre.deak@xxxxxxxxx
(cherry picked from commit f2c7959dda614d9b7c6a41510492de39d31705ec)
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 0e885440be242..1b5b4d252d5b8 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -386,9 +386,9 @@ static bool icl_tc_phy_is_owned(struct intel_digital_port *dig_port)
PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
if (val == 0xffffffff) {
drm_dbg_kms(&i915->drm,
- "Port %s: PHY in TCCOLD, assume safe mode\n",
+ "Port %s: PHY in TCCOLD, assume not owned\n",
dig_port->tc_port_name);
- return true;
+ return false;
}
return val & DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
