Intel: ICX: platform/x86: ISST: Allow additional core-power mailbox commands

mainline inclusion
from mainline-v5.6-rc1
commit 9749b376
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I47H3V
CVE: NA

--------------------------------

commit 9749b376 upstream

Backport summary: Backport to kernel 4.19.57 to support ICX ISST

To discover core-power capability, some new mailbox commands are added. Allow
those commands to execute.
Signed-off-by: NSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NYouquan Song <youquan.song@intel.com>
Signed-off-by: NJackie Liu <liuyun01@kylinos.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/platform/x86/intel_speed_select_if/isst_if_common.c

@@ -48,6 +48,8 @@ static const struct isst_valid_cmd_ranges isst_valid_cmds[] = {
 	{0x7F, 0x00, 0x0B},
 	{0x7F, 0x10, 0x12},
 	{0x7F, 0x20, 0x23},
+	{0x94, 0x03, 0x03},
+	{0x95, 0x03, 0x03},
 };
 
 static const struct isst_cmd_set_req_type isst_cmd_set_reqs[] = {
@@ -57,6 +59,7 @@ static const struct isst_cmd_set_req_type isst_cmd_set_reqs[] = {
 	{0xD0, 0x03, 0x08},
 	{0x7F, 0x02, 0x00},
 	{0x7F, 0x08, 0x00},
+	{0x95, 0x03, 0x03},
 };
 
 struct isst_cmd {