Merging upstream version 4.19.260.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 74 insertions, 61 deletions

diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index ded6c5c17..144cda7da 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -401,6 +401,9 @@ static int register_device_clock(struct acpi_device *adev,
 	if (!lpss_clk_dev)
 		lpt_register_clock_device();
 
+	if (IS_ERR(lpss_clk_dev))
+		return PTR_ERR(lpss_clk_dev);
+
 	clk_data = platform_get_drvdata(lpss_clk_dev);
 	if (!clk_data)
 		return -ENODEV;
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index f68a4ffd3..c0cfd3a3e 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -630,33 +630,6 @@ int pcc_data_alloc(int pcc_ss_id)
 	return 0;
 }
 
-/* Check if CPPC revision + num_ent combination is supported */
-static bool is_cppc_supported(int revision, int num_ent)
-{
-	int expected_num_ent;
-
-	switch (revision) {
-	case CPPC_V2_REV:
-		expected_num_ent = CPPC_V2_NUM_ENT;
-		break;
-	case CPPC_V3_REV:
-		expected_num_ent = CPPC_V3_NUM_ENT;
-		break;
-	default:
-		pr_debug("Firmware exports unsupported CPPC revision: %d\n",
-			revision);
-		return false;
-	}
-
-	if (expected_num_ent != num_ent) {
-		pr_debug("Firmware exports %d entries. Expected: %d for CPPC rev:%d\n",
-			num_ent, expected_num_ent, revision);
-		return false;
-	}
-
-	return true;
-}
-
 /*
  * An example CPC table looks like the following.
  *
@@ -752,7 +725,6 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
 				cpc_obj->type);
 		goto out_free;
 	}
-	cpc_ptr->num_entries = num_ent;
 
 	/* Second entry should be revision. */
 	cpc_obj = &out_obj->package.elements[1];
@@ -763,10 +735,32 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
 				cpc_obj->type);
 		goto out_free;
 	}
-	cpc_ptr->version = cpc_rev;
 
-	if (!is_cppc_supported(cpc_rev, num_ent))
+	if (cpc_rev < CPPC_V2_REV) {
+		pr_debug("Unsupported _CPC Revision (%d) for CPU:%d\n", cpc_rev,
+			 pr->id);
 		goto out_free;
+	}
+
+	/*
+	 * Disregard _CPC if the number of entries in the return pachage is not
+	 * as expected, but support future revisions being proper supersets of
+	 * the v3 and only causing more entries to be returned by _CPC.
+	 */
+	if ((cpc_rev == CPPC_V2_REV && num_ent != CPPC_V2_NUM_ENT) ||
+	    (cpc_rev == CPPC_V3_REV && num_ent != CPPC_V3_NUM_ENT) ||
+	    (cpc_rev > CPPC_V3_REV && num_ent <= CPPC_V3_NUM_ENT)) {
+		pr_debug("Unexpected number of _CPC return package entries (%d) for CPU:%d\n",
+			 num_ent, pr->id);
+		goto out_free;
+	}
+	if (cpc_rev > CPPC_V3_REV) {
+		num_ent = CPPC_V3_NUM_ENT;
+		cpc_rev = CPPC_V3_REV;
+	}
+
+	cpc_ptr->num_entries = num_ent;
+	cpc_ptr->version = cpc_rev;
 
 	/* Iterate through remaining entries in _CPC */
 	for (i = 2; i < num_ent; i++) {
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index e3df3dda0..3394ec64f 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2119,13 +2119,6 @@ static const struct dmi_system_id acpi_ec_no_wakeup[] = {
 		},
 	},
 	{
-		.ident = "ThinkPad X1 Carbon 6th",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Carbon 6th"),
-		},
-	},
-	{
 		.ident = "ThinkPad X1 Yoga 3rd",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index c8018d73d..c59235038 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -132,10 +132,10 @@ static bool acpi_nondev_subnode_ok(acpi_handle scope,
 	return acpi_nondev_subnode_data_ok(handle, link, list, parent);
 }
 
-static int acpi_add_nondev_subnodes(acpi_handle scope,
-				    const union acpi_object *links,
-				    struct list_head *list,
-				    struct fwnode_handle *parent)
+static bool acpi_add_nondev_subnodes(acpi_handle scope,
+				     const union acpi_object *links,
+				     struct list_head *list,
+				     struct fwnode_handle *parent)
 {
 	bool ret = false;
 	int i;
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 847db3edc..a3b4ac977 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -359,6 +359,14 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "80E3"),
 		},
 	},
+	{
+	.callback = init_nvs_save_s3,
+	.ident = "Lenovo G40-45",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "80E1"),
+		},
+	},
 	/*
 	 * https://bugzilla.kernel.org/show_bug.cgi?id=196907
 	 * Some Dell XPS13 9360 cannot do suspend-to-idle using the Low Power
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 298d9c65e..490ae990b 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -371,7 +371,6 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 	.callback = video_detect_force_native,
 	.ident = "Clevo NL5xRU",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
 		DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
 		},
 	},
@@ -379,59 +378,75 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 	.callback = video_detect_force_native,
 	.ident = "Clevo NL5xRU",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
+		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+		DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
 	.ident = "Clevo NL5xRU",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
+		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+		DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xRU",
+	.ident = "Clevo NL5xNU",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
-		DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
+		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
 		},
 	},
+	/*
+	 * The TongFang PF5PU1G, PF4NU1F, PF5NU1G, and PF5LUXG/TUXEDO BA15 Gen10,
+	 * Pulse 14/15 Gen1, and Pulse 15 Gen2 have the same problem as the Clevo
+	 * NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2. See the description
+	 * above.
+	 */
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xRU",
+	.ident = "TongFang PF5PU1G",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
-		DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
+		DMI_MATCH(DMI_BOARD_NAME, "PF5PU1G"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xNU",
+	.ident = "TongFang PF4NU1F",
+	.matches = {
+		DMI_MATCH(DMI_BOARD_NAME, "PF4NU1F"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "TongFang PF4NU1F",
 	.matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		DMI_MATCH(DMI_BOARD_NAME, "PULSE1401"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xNU",
+	.ident = "TongFang PF5NU1G",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		DMI_MATCH(DMI_BOARD_NAME, "PF5NU1G"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xNU",
+	.ident = "TongFang PF5NU1G",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+		DMI_MATCH(DMI_BOARD_NAME, "PULSE1501"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "TongFang PF5LUXG",
+	.matches = {
+		DMI_MATCH(DMI_BOARD_NAME, "PF5LUXG"),
 		},
 	},
-
 	/*
 	 * Desktops which falsely report a backlight and which our heuristics
 	 * for this do not catch.