From 78e2ea291ead1e395864ff1583064e07b1adeb62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Thu, 7 Nov 2019 13:45:57 -0800
Subject: drm/i915/display: Fix TRANS_DDI_MST_TRANSPORT_SELECT definition
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Git-commit: 78e2ea291ead1e395864ff1583064e07b1adeb62
Patch-mainline: v5.5-rc1
References: bsc#1152489
TRANS_DDI_MST_TRANSPORT_SELECT is 2 bits wide not 3, it was taking
one bit from EDP/DSI Input Select.
Fixes: b3545e086877 ("drm/i915/tgl: add support to one DP-MST stream")
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107214559.77087-1-jose.souza@intel.com
(cherry picked from commit bb747fa5a9cbf561e5a30649f360feb9e6855645)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/i915_reg.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 445dacbdc0e9..73079b503724 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9671,7 +9671,7 @@ enum skl_power_gate {
#define TRANS_DDI_EDP_INPUT_A_ONOFF (4 << 12)
#define TRANS_DDI_EDP_INPUT_B_ONOFF (5 << 12)
#define TRANS_DDI_EDP_INPUT_C_ONOFF (6 << 12)
-#define TRANS_DDI_MST_TRANSPORT_SELECT_MASK REG_GENMASK(12, 10)
+#define TRANS_DDI_MST_TRANSPORT_SELECT_MASK REG_GENMASK(11, 10)
#define TRANS_DDI_MST_TRANSPORT_SELECT(trans) \
REG_FIELD_PREP(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, trans)
#define TRANS_DDI_HDCP_SIGNALLING (1 << 9)
--
2.28.0