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From c234580425b8277706580a25b53c3e7c3e69a3eb Mon Sep 17 00:00:00 2001
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Thu, 19 May 2022 10:07:57 +0100
Subject: Revert "drm/i915: Drop has_dp_mst from device info"
Git-commit: e91eec9128c2ad9eab9cf9d7c17f8034b6a86c4c
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849

This reverts commit eb86f645ab9b90c47de7ebe229feae7ac999421b.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220519090802.1294691-3-tvrtko.ursulin@linux.intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/i915_drv.h          | 2 +-
 drivers/gpu/drm/i915/i915_pci.c          | 3 +++
 drivers/gpu/drm/i915/intel_device_info.h | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e872a675204a..a8885ffdf950 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1233,13 +1233,13 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 
 #define HAS_IPS(dev_priv)	(IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv))
 
+#define HAS_DP_MST(dev_priv)	(INTEL_INFO(dev_priv)->display.has_dp_mst)
 #define HAS_DP20(dev_priv)	(IS_DG2(dev_priv))
 
 #define HAS_CDCLK_CRAWL(dev_priv)	 (INTEL_INFO(dev_priv)->display.has_cdclk_crawl)
 #define HAS_DDI(dev_priv)		 (DISPLAY_VER(dev_priv) >= 9 || \
 					  IS_BROADWELL(dev_priv) || \
 					  IS_HASWELL(dev_priv))
-#define HAS_DP_MST(dev_priv)		 (HAS_DDI(dev_priv))
 #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg)
 #define HAS_PSR(dev_priv)		 (INTEL_INFO(dev_priv)->display.has_psr)
 #define HAS_PSR_HW_TRACKING(dev_priv) \
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index d5a4a73678ea..b64a5a5aa4b6 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -536,6 +536,7 @@ static const struct intel_device_info vlv_info = {
 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
 		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
 	.display.has_fpga_dbg = 1, \
+	.display.has_dp_mst = 1, \
 	.has_rc6p = 0 /* RC6p removed-by HSW */, \
 	HSW_PIPE_OFFSETS, \
 	.has_runtime_pm = 1
@@ -689,6 +690,7 @@ static const struct intel_device_info skl_gt4_info = {
 	.has_runtime_pm = 1, \
 	.display.has_dmc = 1, \
 	.has_rps = true, \
+	.display.has_dp_mst = 1, \
 	.has_logical_ring_contexts = 1, \
 	.dma_mask_size = 39, \
 	.ppgtt_type = INTEL_PPGTT_FULL, \
@@ -929,6 +931,7 @@ static const struct intel_device_info adl_s_info = {
 	.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2) | BIT(DBUF_S3) |		\
 		BIT(DBUF_S4),							\
 	.display.has_dmc = 1,							\
+	.display.has_dp_mst = 1,						\
 	.display.has_dsb = 1,							\
 	.display.has_dsc = 1,							\
 	.display.fbc_mask = BIT(INTEL_FBC_A),					\
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 6e4150a31a56..db091f30347d 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -169,6 +169,7 @@ enum intel_ppgtt_type {
 	func(cursor_needs_physical); \
 	func(has_cdclk_crawl); \
 	func(has_dmc); \
+	func(has_dp_mst); \
 	func(has_dsb); \
 	func(has_dsc); \
 	func(has_fpga_dbg); \
-- 
2.38.1