From 4e351fcf03849cf6e2dcbca3eb407a3cc34107a8 Mon Sep 17 00:00:00 2001
From: Anthony Koo <Anthony.Koo@amd.com>
Date: Fri, 29 May 2020 17:48:12 -0400
Subject: drm/amd/display: [FW Promotion] Release 1.0.15
Git-commit: 788408b787434662a85e21a3f5f22edbebc5928e
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

[Header Changes]
- Add new initialization bits for driver to check
  firmware status
- Add command for HW locking via DMUB

Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 .../gpu/drm/amd/display/dmub/inc/dmub_cmd.h   | 68 ++++++++++++++++++-
 1 file changed, 65 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 5066c639670e..7c03c4798348 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -36,10 +36,10 @@
 
 /* Firmware versioning. */
 #ifdef DMUB_EXPOSE_VERSION
-#define DMUB_FW_VERSION_GIT_HASH 0x5470fd231
+#define DMUB_FW_VERSION_GIT_HASH 0xee850bb2f
 #define DMUB_FW_VERSION_MAJOR 1
 #define DMUB_FW_VERSION_MINOR 0
-#define DMUB_FW_VERSION_REVISION 14
+#define DMUB_FW_VERSION_REVISION 15
 #define DMUB_FW_VERSION_UCODE ((DMUB_FW_VERSION_MAJOR << 24) | (DMUB_FW_VERSION_MINOR << 16) | DMUB_FW_VERSION_REVISION)
 #endif
 
@@ -137,8 +137,31 @@ union dmub_fw_meta {
 };
 
 #pragma pack(pop)
+
+//==============================================================================
+//< DMUB_STATUS>================================================================
+//==============================================================================
+
+/**
+ * DMCUB scratch registers can be used to determine firmware status.
+ * Current scratch register usage is as follows:
+ *
+ * SCRATCH0: Legacy status register
+ * SCRATCH1: Firmware version
+ * SCRATCH2: Firmware status bits defined by dmub_fw_status_bit
+ * SCRATCH3: Reserved firmware status bits
+ */
+
+/**
+ * DMCUB firmware status bits for SCRATCH2.
+ */
+enum dmub_fw_status_bit {
+	DMUB_FW_STATUS_BIT_DAL_FIRMWARE = (1 << 0),
+	DMUB_FW_STATUS_BIT_COMMAND_TABLE_READY = (1 << 1),
+};
+
 //==============================================================================
-//</DMUB_META>==================================================================
+//</DMUB_STATUS>================================================================
 //==============================================================================
 //< DMUB_VBIOS>=================================================================
 //==============================================================================
@@ -230,6 +253,7 @@ enum dmub_cmd_type {
 	DMUB_CMD__PLAT_54186_WA = 5,
 	DMUB_CMD__PSR = 64,
 	DMUB_CMD__ABM = 66,
+	DMUB_CMD__HW_LOCK = 69,
 	DMUB_CMD__VBIOS = 128,
 };
 
@@ -453,6 +477,44 @@ struct dmub_rb_cmd_psr_set_version {
 	struct dmub_cmd_psr_set_version_data psr_set_version_data;
 };
 
+union dmub_hw_lock_flags {
+	struct {
+		uint8_t lock_pipe   : 1;
+		uint8_t lock_cursor : 1;
+		uint8_t lock_dig    : 1;
+		uint8_t triple_buffer_lock : 1;
+	} bits;
+
+	uint8_t u8All;
+};
+
+struct dmub_hw_lock_inst_flags {
+	uint8_t otg_inst;
+	uint8_t opp_inst;
+	uint8_t dig_inst;
+	uint8_t pad;
+};
+
+enum hw_lock_client {
+	HW_LOCK_CLIENT_DRIVER = 0,
+	HW_LOCK_CLIENT_FW,
+	HW_LOCK_CLIENT_INVALID = 0xFFFFFFFF,
+};
+
+struct dmub_cmd_lock_hw_data {
+	enum hw_lock_client client;
+	struct dmub_hw_lock_inst_flags inst_flags;
+	union dmub_hw_lock_flags hw_locks;
+	uint8_t lock;
+	uint8_t should_release;
+	uint8_t pad;
+};
+
+struct dmub_rb_cmd_lock_hw {
+	struct dmub_cmd_header header;
+	struct dmub_cmd_lock_hw_data lock_hw_data;
+};
+
 enum dmub_cmd_abm_type {
 	DMUB_CMD__ABM_INIT_CONFIG	= 0,
 	DMUB_CMD__ABM_SET_PIPE		= 1,
-- 
2.29.2