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drm/i915/tc: fix the reset of ln0 

Setting ln0 similar to ln1

Fixes: 3b51be4e40 ("drm/i915/tc: Update DP_MODE programming")
Cc: <stable@vger.kernel.org> # v5.5+
Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200608204537.28468-1-khaled.almahallawy@intel.com
(cherry picked from commit 4f72a8ee81)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Khaled Almahallawy 2020-06-08 13:45:37 -07:00 committed by Joonas Lahtinen
parent 4178b5a60c
commit a43555ac90
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_ddi.c
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@ -2987,7 +2987,7 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port,
ln1 = intel_de_read(dev_priv, MG_DP_MODE(1, tc_port));
}
ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X1_MODE);
ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE);
ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE);
/* DPPATC */