Merge branch 'i2c/platform_data-immutable' into i2c/for-4.18

Documentation/admin-guide/pm/intel_pstate.rst

@@ -145,7 +145,7 @@ feature enabled.]
 
 In this mode ``intel_pstate`` registers utilization update callbacks with the
 CPU scheduler in order to run a P-state selection algorithm, either
-``powersave`` or ``performance``, depending on the ``scaling_cur_freq`` policy
+``powersave`` or ``performance``, depending on the ``scaling_governor`` policy
 setting in ``sysfs``.  The current CPU frequency information to be made
 available from the ``scaling_cur_freq`` policy attribute in ``sysfs`` is
 periodically updated by those utilization update callbacks too.

Documentation/admin-guide/pm/sleep-states.rst

@@ -15,7 +15,7 @@ Sleep States That Can Be Supported
 ==================================
 
 Depending on its configuration and the capabilities of the platform it runs on,
-the Linux kernel can support up to four system sleep states, includig
+the Linux kernel can support up to four system sleep states, including
 hibernation and up to three variants of system suspend.  The sleep states that
 can be supported by the kernel are listed below.
 

Documentation/device-mapper/thin-provisioning.txt

@@ -264,7 +264,10 @@ i) Constructor
 			   data device, but just remove the mapping.
 
       read_only: Don't allow any changes to be made to the pool
-		 metadata.
+		 metadata.  This mode is only available after the
+		 thin-pool has been created and first used in full
+		 read/write mode.  It cannot be specified on initial
+		 thin-pool creation.
 
       error_if_no_space: Error IOs, instead of queueing, if no space.
 

Documentation/devicetree/bindings/ata/ahci-platform.txt

@@ -30,7 +30,6 @@ compatible:
 Optional properties:
 - dma-coherent      : Present if dma operations are coherent
 - clocks            : a list of phandle + clock specifier pairs
-- resets            : a list of phandle + reset specifier pairs
 - target-supply     : regulator for SATA target power
 - phys              : reference to the SATA PHY node
 - phy-names         : must be "sata-phy"

Documentation/devicetree/bindings/display/panel/panel-common.txt

@@ -38,7 +38,7 @@ Display Timings
   require specific display timings. The panel-timing subnode expresses those
   timings as specified in the timing subnode section of the display timing
   bindings defined in
-  Documentation/devicetree/bindings/display/display-timing.txt.
+  Documentation/devicetree/bindings/display/panel/display-timing.txt.
 
 
 Connectivity

Documentation/devicetree/bindings/dma/renesas,rcar-dmac.txt

@@ -26,6 +26,7 @@ Required Properties:
 		- "renesas,dmac-r8a7794" (R-Car E2)
 		- "renesas,dmac-r8a7795" (R-Car H3)
 		- "renesas,dmac-r8a7796" (R-Car M3-W)
+		- "renesas,dmac-r8a77965" (R-Car M3-N)
 		- "renesas,dmac-r8a77970" (R-Car V3M)
 		- "renesas,dmac-r8a77980" (R-Car V3H)
 

Documentation/devicetree/bindings/net/can/rcar_canfd.txt

@@ -5,7 +5,9 @@ Required properties:
 - compatible: Must contain one or more of the following:
   - "renesas,rcar-gen3-canfd" for R-Car Gen3 compatible controller.
   - "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller.
-  - "renesas,r8a7796-canfd" for R8A7796 (R-Car M3) compatible controller.
+  - "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller.
+  - "renesas,r8a77970-canfd" for R8A77970 (R-Car V3M) compatible controller.
+  - "renesas,r8a77980-canfd" for R8A77980 (R-Car V3H) compatible controller.
 
   When compatible with the generic version, nodes must list the
   SoC-specific version corresponding to the platform first, followed by the

Documentation/devicetree/bindings/net/renesas,ravb.txt

@@ -18,6 +18,7 @@ Required properties:
 
       - "renesas,etheravb-r8a7795" for the R8A7795 SoC.
       - "renesas,etheravb-r8a7796" for the R8A7796 SoC.
+      - "renesas,etheravb-r8a77965" for the R8A77965 SoC.
       - "renesas,etheravb-r8a77970" for the R8A77970 SoC.
       - "renesas,etheravb-r8a77980" for the R8A77980 SoC.
       - "renesas,etheravb-r8a77995" for the R8A77995 SoC.

Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt

@@ -56,9 +56,9 @@ pins it needs, and how they should be configured, with regard to muxer
 configuration, drive strength and pullups. If one of these options is
 not set, its actual value will be unspecified.
 
-This driver supports the generic pin multiplexing and configuration
-bindings. For details on each properties, you can refer to
-./pinctrl-bindings.txt.
+Allwinner A1X Pin Controller supports the generic pin multiplexing and
+configuration bindings. For details on each properties, you can refer to
+ ./pinctrl-bindings.txt.
 
 Required sub-node properties:
   - pins

Documentation/devicetree/bindings/serial/renesas,sci-serial.txt

@@ -43,6 +43,8 @@ Required properties:
     - "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART.
     - "renesas,scif-r8a7796" for R8A7796 (R-Car M3-W) SCIF compatible UART.
     - "renesas,hscif-r8a7796" for R8A7796 (R-Car M3-W) HSCIF compatible UART.
+    - "renesas,scif-r8a77965" for R8A77965 (R-Car M3-N) SCIF compatible UART.
+    - "renesas,hscif-r8a77965" for R8A77965 (R-Car M3-N) HSCIF compatible UART.
     - "renesas,scif-r8a77970" for R8A77970 (R-Car V3M) SCIF compatible UART.
     - "renesas,hscif-r8a77970" for R8A77970 (R-Car V3M) HSCIF compatible UART.
     - "renesas,scif-r8a77980" for R8A77980 (R-Car V3H) SCIF compatible UART.

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -182,6 +182,7 @@ karo	Ka-Ro electronics GmbH
 keithkoep	Keith & Koep GmbH
 keymile	Keymile GmbH
 khadas	Khadas
+kiebackpeter    Kieback & Peter GmbH
 kinetic Kinetic Technologies
 kingnovel	Kingnovel Technology Co., Ltd.
 kosagi	Sutajio Ko-Usagi PTE Ltd.

Documentation/devicetree/overlay-notes.txt

@@ -98,6 +98,14 @@ Finally, if you need to remove all overlays in one-go, just call
 of_overlay_remove_all() which will remove every single one in the correct
 order.
 
+In addition, there is the option to register notifiers that get called on
+overlay operations. See of_overlay_notifier_register/unregister and
+enum of_overlay_notify_action for details.
+
+Note that a notifier callback is not supposed to store pointers to a device
+tree node or its content beyond OF_OVERLAY_POST_REMOVE corresponding to the
+respective node it received.
+
 Overlay DTS Format
 ------------------
 

Documentation/i2c/busses/i2c-ocores

@@ -18,7 +18,7 @@ Usage
 i2c-ocores uses the platform bus, so you need to provide a struct
 platform_device with the base address and interrupt number. The
 dev.platform_data of the device should also point to a struct
-ocores_i2c_platform_data (see linux/i2c-ocores.h) describing the
+ocores_i2c_platform_data (see linux/platform_data/i2c-ocores.h) describing the
 distance between registers and the input clock speed.
 There is also a possibility to attach a list of i2c_board_info which
 the i2c-ocores driver will add to the bus upon creation.

Documentation/i2c/muxes/i2c-mux-gpio

@@ -30,12 +30,12 @@ i2c-mux-gpio uses the platform bus, so you need to provide a struct
 platform_device with the platform_data pointing to a struct
 i2c_mux_gpio_platform_data with the I2C adapter number of the master
 bus, the number of bus segments to create and the GPIO pins used
-to control it. See include/linux/i2c-mux-gpio.h for details.
+to control it. See include/linux/platform_data/i2c-mux-gpio.h for details.
 
 E.G. something like this for a MUX providing 4 bus segments
 controlled through 3 GPIO pins:
 
-#include <linux/i2c-mux-gpio.h>
+#include <linux/platform_data/i2c-mux-gpio.h>
 #include <linux/platform_device.h>
 
 static const unsigned myboard_gpiomux_gpios[] = {

MAINTAINERS

@@ -137,9 +137,9 @@ Maintainers List (try to look for most precise areas first)
 		-----------------------------------
 
 3C59X NETWORK DRIVER
-M:	Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
+M:	Steffen Klassert <klassert@kernel.org>
 L:	netdev@vger.kernel.org
-S:	Maintained
+S:	Odd Fixes
 F:	Documentation/networking/vortex.txt
 F:	drivers/net/ethernet/3com/3c59x.c
 
@@ -3691,7 +3691,6 @@ F:	drivers/cpufreq/arm_big_little_dt.c
 
 CPU POWER MONITORING SUBSYSTEM
 M:	Thomas Renninger <trenn@suse.com>
-M:	Shuah Khan <shuahkh@osg.samsung.com>
 M:	Shuah Khan <shuah@kernel.org>
 L:	linux-pm@vger.kernel.org
 S:	Maintained
@@ -5879,14 +5878,14 @@ GENERIC GPIO I2C DRIVER
 M:	Haavard Skinnemoen <hskinnemoen@gmail.com>
 S:	Supported
 F:	drivers/i2c/busses/i2c-gpio.c
-F:	include/linux/i2c-gpio.h
+F:	include/linux/platform_data/i2c-gpio.h
 
 GENERIC GPIO I2C MULTIPLEXER DRIVER
 M:	Peter Korsgaard <peter.korsgaard@barco.com>
 L:	linux-i2c@vger.kernel.org
 S:	Supported
 F:	drivers/i2c/muxes/i2c-mux-gpio.c
-F:	include/linux/i2c-mux-gpio.h
+F:	include/linux/platform_data/i2c-mux-gpio.h
 F:	Documentation/i2c/muxes/i2c-mux-gpio
 
 GENERIC HDLC (WAN) DRIVERS
@@ -7696,7 +7695,6 @@ F:	include/linux/sunrpc/
 F:	include/uapi/linux/sunrpc/
 
 KERNEL SELFTEST FRAMEWORK
-M:	Shuah Khan <shuahkh@osg.samsung.com>
 M:	Shuah Khan <shuah@kernel.org>
 L:	linux-kselftest@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git
@@ -9873,7 +9871,7 @@ F:	include/linux/platform_data/nxp-nci.h
 F:	Documentation/devicetree/bindings/net/nfc/
 
 NFS, SUNRPC, AND LOCKD CLIENTS
-M:	Trond Myklebust <trond.myklebust@primarydata.com>
+M:	Trond Myklebust <trond.myklebust@hammerspace.com>
 M:	Anna Schumaker <anna.schumaker@netapp.com>
 L:	linux-nfs@vger.kernel.org
 W:	http://client.linux-nfs.org
@@ -10247,7 +10245,7 @@ F:	arch/arm/mach-omap1/
 F:	arch/arm/plat-omap/
 F:	arch/arm/configs/omap1_defconfig
 F:	drivers/i2c/busses/i2c-omap.c
-F:	include/linux/i2c-omap.h
+F:	include/linux/platform_data/i2c-omap.h
 
 OMAP2+ SUPPORT
 M:	Tony Lindgren <tony@atomide.com>
@@ -10279,7 +10277,7 @@ F:	drivers/regulator/tps65218-regulator.c
 F:	drivers/regulator/tps65910-regulator.c
 F:	drivers/regulator/twl-regulator.c
 F:	drivers/regulator/twl6030-regulator.c
-F:	include/linux/i2c-omap.h
+F:	include/linux/platform_data/i2c-omap.h
 
 ONION OMEGA2+ BOARD
 M:	Harvey Hunt <harveyhuntnexus@gmail.com>
@@ -14650,7 +14648,6 @@ F:	drivers/usb/common/usb-otg-fsm.c
 
 USB OVER IP DRIVER
 M:	Valentina Manea <valentina.manea.m@gmail.com>
-M:	Shuah Khan <shuahkh@osg.samsung.com>
 M:	Shuah Khan <shuah@kernel.org>
 L:	linux-usb@vger.kernel.org
 S:	Maintained

Makefile

@@ -2,7 +2,7 @@
 VERSION = 4
 PATCHLEVEL = 17
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Merciless Moray
 
 # *DOCUMENTATION*

arch/Kconfig

@@ -464,6 +464,10 @@ config GCC_PLUGIN_LATENT_ENTROPY
 config GCC_PLUGIN_STRUCTLEAK
 	bool "Force initialization of variables containing userspace addresses"
 	depends on GCC_PLUGINS
+	# Currently STRUCTLEAK inserts initialization out of live scope of
+	# variables from KASAN point of view. This leads to KASAN false
+	# positive reports. Prohibit this combination for now.
+	depends on !KASAN_EXTRA
 	help
 	  This plugin zero-initializes any structures containing a
 	  __user attribute. This can prevent some classes of information

arch/arm/boot/dts/imx35.dtsi

@@ -303,7 +303,7 @@
 			};
 
 			can1: can@53fe4000 {
-				compatible = "fsl,imx35-flexcan";
+				compatible = "fsl,imx35-flexcan", "fsl,imx25-flexcan";
 				reg = <0x53fe4000 0x1000>;
 				clocks = <&clks 33>, <&clks 33>;
 				clock-names = "ipg", "per";
@@ -312,7 +312,7 @@
 			};
 
 			can2: can@53fe8000 {
-				compatible = "fsl,imx35-flexcan";
+				compatible = "fsl,imx35-flexcan", "fsl,imx25-flexcan";
 				reg = <0x53fe8000 0x1000>;
 				clocks = <&clks 34>, <&clks 34>;
 				clock-names = "ipg", "per";

arch/arm/boot/dts/imx53.dtsi

@@ -551,7 +551,7 @@
 			};
 
 			can1: can@53fc8000 {
-				compatible = "fsl,imx53-flexcan";
+				compatible = "fsl,imx53-flexcan", "fsl,imx25-flexcan";
 				reg = <0x53fc8000 0x4000>;
 				interrupts = <82>;
 				clocks = <&clks IMX5_CLK_CAN1_IPG_GATE>,
@@ -561,7 +561,7 @@
 			};
 
 			can2: can@53fcc000 {
-				compatible = "fsl,imx53-flexcan";
+				compatible = "fsl,imx53-flexcan", "fsl,imx25-flexcan";
 				reg = <0x53fcc000 0x4000>;
 				interrupts = <83>;
 				clocks = <&clks IMX5_CLK_CAN2_IPG_GATE>,

arch/arm/mach-ks8695/board-acs5k.c

@@ -19,7 +19,7 @@
 #include <linux/gpio/machine.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
-#include <linux/i2c-gpio.h>
+#include <linux/platform_data/i2c-gpio.h>
 #include <linux/platform_data/pca953x.h>
 
 #include <linux/mtd/mtd.h>

arch/arm/mach-omap1/board-htcherald.c

@@ -31,7 +31,7 @@
 #include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/i2c.h>
-#include <linux/i2c-gpio.h>
+#include <linux/platform_data/i2c-gpio.h>
 #include <linux/htcpld.h>
 #include <linux/leds.h>
 #include <linux/spi/spi.h>

arch/arm/mach-omap1/common.h

@@ -27,7 +27,7 @@
 #define __ARCH_ARM_MACH_OMAP1_COMMON_H
 
 #include <linux/mtd/mtd.h>
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 #include <linux/reboot.h>
 
 #include <asm/exception.h>

arch/arm/mach-omap1/i2c.c

@@ -20,7 +20,7 @@
  */
 
 #include <linux/i2c.h>
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 #include <mach/mux.h>
 #include "soc.h"
 

arch/arm/mach-omap2/common.h

@@ -30,7 +30,7 @@
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/mfd/twl.h>
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 #include <linux/reboot.h>
 #include <linux/irqchip/irq-omap-intc.h>
 

arch/arm/mach-omap2/omap_hwmod_2420_data.c

@@ -13,7 +13,7 @@
  * XXX these should be marked initdata for multi-OMAP kernels
  */
 
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 #include <linux/omap-dma.h>
 
 #include "omap_hwmod.h"

arch/arm/mach-omap2/omap_hwmod_2430_data.c

@@ -13,7 +13,7 @@
  * XXX these should be marked initdata for multi-OMAP kernels
  */
 
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 #include <linux/platform_data/hsmmc-omap.h>
 #include <linux/omap-dma.h>
 

arch/arm/mach-omap2/omap_hwmod_33xx_data.c

@@ -14,7 +14,7 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 
 #include "omap_hwmod.h"
 #include "omap_hwmod_common_data.h"

arch/arm/mach-omap2/omap_hwmod_3xxx_data.c

@@ -15,7 +15,7 @@
  * XXX these should be marked initdata for multi-OMAP kernels
  */
 
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 #include <linux/power/smartreflex.h>
 #include <linux/platform_data/hsmmc-omap.h>
 

arch/arm/mach-omap2/omap_hwmod_44xx_data.c

@@ -23,7 +23,7 @@
 #include <linux/io.h>
 #include <linux/platform_data/hsmmc-omap.h>
 #include <linux/power/smartreflex.h>
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 
 #include <linux/omap-dma.h>
 

arch/arm/mach-omap2/omap_hwmod_54xx_data.c

@@ -20,7 +20,7 @@
 #include <linux/io.h>
 #include <linux/platform_data/hsmmc-omap.h>
 #include <linux/power/smartreflex.h>
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 
 #include <linux/omap-dma.h>
 

arch/arm/mach-omap2/omap_hwmod_7xx_data.c

@@ -20,7 +20,7 @@
 #include <linux/io.h>
 #include <linux/platform_data/hsmmc-omap.h>
 #include <linux/power/smartreflex.h>
-#include <linux/i2c-omap.h>
+#include <linux/platform_data/i2c-omap.h>
 
 #include <linux/omap-dma.h>
 

arch/arm/mach-pxa/palmz72.c

@@ -30,7 +30,7 @@
 #include <linux/wm97xx.h>
 #include <linux/power_supply.h>
 #include <linux/usb/gpio_vbus.h>
-#include <linux/i2c-gpio.h>
+#include <linux/platform_data/i2c-gpio.h>
 #include <linux/gpio/machine.h>
 
 #include <asm/mach-types.h>

arch/arm/mach-pxa/viper.c

@@ -35,7 +35,7 @@
 #include <linux/sched.h>
 #include <linux/gpio.h>
 #include <linux/jiffies.h>
-#include <linux/i2c-gpio.h>
+#include <linux/platform_data/i2c-gpio.h>
 #include <linux/gpio/machine.h>
 #include <linux/platform_data/i2c-pxa.h>
 #include <linux/serial_8250.h>

arch/arm/mach-sa1100/simpad.c

@@ -37,7 +37,7 @@
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds.h>
-#include <linux/i2c-gpio.h>
+#include <linux/platform_data/i2c-gpio.h>
 
 #include "generic.h"
 

arch/arm64/include/asm/cputype.h

@@ -75,6 +75,7 @@
 #define ARM_CPU_IMP_CAVIUM		0x43
 #define ARM_CPU_IMP_BRCM		0x42
 #define ARM_CPU_IMP_QCOM		0x51
+#define ARM_CPU_IMP_NVIDIA		0x4E
 
 #define ARM_CPU_PART_AEM_V8		0xD0F
 #define ARM_CPU_PART_FOUNDATION		0xD00
@@ -99,6 +100,9 @@
 #define QCOM_CPU_PART_FALKOR		0xC00
 #define QCOM_CPU_PART_KRYO		0x200
 
+#define NVIDIA_CPU_PART_DENVER		0x003
+#define NVIDIA_CPU_PART_CARMEL		0x004
+
 #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
 #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
 #define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
@@ -114,6 +118,8 @@
 #define MIDR_QCOM_FALKOR_V1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR_V1)
 #define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR)
 #define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO)
+#define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER)
+#define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL)
 
 #ifndef __ASSEMBLY__
 

arch/arm64/kernel/cpu_errata.c

@@ -316,6 +316,7 @@ static const struct midr_range arm64_bp_harden_smccc_cpus[] = {
 	MIDR_ALL_VERSIONS(MIDR_CAVIUM_THUNDERX2),
 	MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR_V1),
 	MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR),
+	MIDR_ALL_VERSIONS(MIDR_NVIDIA_DENVER),
 	{},
 };
 

arch/arm64/mm/init.c

@@ -646,8 +646,10 @@ static int keep_initrd __initdata;
 
 void __init free_initrd_mem(unsigned long start, unsigned long end)
 {
-	if (!keep_initrd)
+	if (!keep_initrd) {
 		free_reserved_area((void *)start, (void *)end, 0, "initrd");
+		memblock_free(__virt_to_phys(start), end - start);
+	}
 }
 
 static int __init keepinitrd_setup(char *__unused)

arch/mips/alchemy/board-gpr.c

@@ -29,7 +29,7 @@
 #include <linux/leds.h>
 #include <linux/gpio.h>
 #include <linux/i2c.h>
-#include <linux/i2c-gpio.h>
+#include <linux/platform_data/i2c-gpio.h>
 #include <linux/gpio/machine.h>
 #include <asm/bootinfo.h>
 #include <asm/idle.h>

arch/powerpc/include/asm/ftrace.h

@@ -69,17 +69,30 @@ struct dyn_arch_ftrace {
 #endif
 
 #if defined(CONFIG_FTRACE_SYSCALLS) && !defined(__ASSEMBLY__)
-#ifdef PPC64_ELF_ABI_v1
+/*
+ * Some syscall entry functions on powerpc start with "ppc_" (fork and clone,
+ * for instance) or ppc32_/ppc64_. We should also match the sys_ variant with
+ * those.
+ */
 #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
+#ifdef PPC64_ELF_ABI_v1
+static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
+{
+	/* We need to skip past the initial dot, and the __se_sys alias */
+	return !strcmp(sym + 1, name) ||
+		(!strncmp(sym, ".__se_sys", 9) && !strcmp(sym + 6, name)) ||
+		(!strncmp(sym, ".ppc_", 5) && !strcmp(sym + 5, name + 4)) ||
+		(!strncmp(sym, ".ppc32_", 7) && !strcmp(sym + 7, name + 4)) ||
+		(!strncmp(sym, ".ppc64_", 7) && !strcmp(sym + 7, name + 4));
+}
+#else
 static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
 {
-	/*
-	 * Compare the symbol name with the system call name. Skip the .sys or .SyS
-	 * prefix from the symbol name and the sys prefix from the system call name and
-	 * just match the rest. This is only needed on ppc64 since symbol names on
-	 * 32bit do not start with a period so the generic function will work.
-	 */
-	return !strcmp(sym + 4, name + 3);
+	return !strcmp(sym, name) ||
+		(!strncmp(sym, "__se_sys", 8) && !strcmp(sym + 5, name)) ||
+		(!strncmp(sym, "ppc_", 4) && !strcmp(sym + 4, name + 4)) ||
+		(!strncmp(sym, "ppc32_", 6) && !strcmp(sym + 6, name + 4)) ||
+		(!strncmp(sym, "ppc64_", 6) && !strcmp(sym + 6, name + 4));
 }
 #endif
 #endif /* CONFIG_FTRACE_SYSCALLS && !__ASSEMBLY__ */

arch/powerpc/include/asm/paca.h

@@ -165,7 +165,6 @@ struct paca_struct {
 	u64 saved_msr;			/* MSR saved here by enter_rtas */
 	u16 trap_save;			/* Used when bad stack is encountered */
 	u8 irq_soft_mask;		/* mask for irq soft masking */
-	u8 soft_enabled;		/* irq soft-enable flag */
 	u8 irq_happened;		/* irq happened while soft-disabled */
 	u8 io_sync;			/* writel() needs spin_unlock sync */
 	u8 irq_work_pending;		/* IRQ_WORK interrupt while soft-disable */

arch/powerpc/include/asm/topology.h

@@ -91,6 +91,7 @@ extern int start_topology_update(void);
 extern int stop_topology_update(void);
 extern int prrn_is_enabled(void);
 extern int find_and_online_cpu_nid(int cpu);
+extern int timed_topology_update(int nsecs);
 #else
 static inline int start_topology_update(void)
 {
@@ -108,16 +109,12 @@ static inline int find_and_online_cpu_nid(int cpu)
 {
 	return 0;
 }
+static inline int timed_topology_update(int nsecs)
+{
+	return 0;
+}
 #endif /* CONFIG_NUMA && CONFIG_PPC_SPLPAR */
 
-#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_NEED_MULTIPLE_NODES)
-#if defined(CONFIG_PPC_SPLPAR)
-extern int timed_topology_update(int nsecs);
-#else
-#define	timed_topology_update(nsecs)
-#endif /* CONFIG_PPC_SPLPAR */
-#endif /* CONFIG_HOTPLUG_CPU || CONFIG_NEED_MULTIPLE_NODES */
-
 #include <asm-generic/topology.h>
 
 #ifdef CONFIG_SMP

arch/sh/Kconfig

@@ -9,6 +9,7 @@ config SUPERH
 	select HAVE_IDE if HAS_IOPORT_MAP
 	select HAVE_MEMBLOCK
 	select HAVE_MEMBLOCK_NODE_MAP
+	select NO_BOOTMEM
 	select ARCH_DISCARD_MEMBLOCK
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT

arch/sh/boards/board-sh7785lcr.c

@@ -17,7 +17,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
-#include <linux/i2c-pca-platform.h>
+#include <linux/platform_data/i2c-pca-platform.h>
 #include <linux/i2c-algo-pca.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/sh_intc.h>

arch/sh/kernel/cpu/sh2/probe.c

@@ -43,7 +43,11 @@ void __ref cpu_probe(void)
 #endif
 
 #if defined(CONFIG_CPU_J2)
+#if defined(CONFIG_SMP)
 	unsigned cpu = hard_smp_processor_id();
+#else
+	unsigned cpu = 0;
+#endif
 	if (cpu == 0) of_scan_flat_dt(scan_cache, NULL);
 	if (j2_ccr_base) __raw_writel(0x80000303, j2_ccr_base + 4*cpu);
 	if (cpu != 0) return;

arch/sh/kernel/setup.c

@@ -11,7 +11,6 @@
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/initrd.h>
-#include <linux/bootmem.h>
 #include <linux/console.h>
 #include <linux/root_dev.h>
 #include <linux/utsname.h>

arch/sh/mm/consistent.c

@@ -59,7 +59,9 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size,
 
 	split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
 
-	*dma_handle = virt_to_phys(ret) - PFN_PHYS(dev->dma_pfn_offset);
+	*dma_handle = virt_to_phys(ret);
+	if (!WARN_ON(!dev))
+		*dma_handle -= PFN_PHYS(dev->dma_pfn_offset);
 
 	return ret_nocache;
 }
@@ -69,9 +71,12 @@ void dma_generic_free_coherent(struct device *dev, size_t size,
 			       unsigned long attrs)
 {
 	int order = get_order(size);
-	unsigned long pfn = (dma_handle >> PAGE_SHIFT) + dev->dma_pfn_offset;
+	unsigned long pfn = dma_handle >> PAGE_SHIFT;
 	int k;
 
+	if (!WARN_ON(!dev))
+		pfn += dev->dma_pfn_offset;
+
 	for (k = 0; k < (1 << order); k++)
 		__free_pages(pfn_to_page(pfn + k), 0);
 
@@ -143,7 +148,7 @@ int __init platform_resource_setup_memory(struct platform_device *pdev,
 	if (!memsize)
 		return 0;
 
-	buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL);
+	buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL);
 	if (!buf) {
 		pr_warning("%s: unable to allocate memory\n", name);
 		return -ENOMEM;

arch/sh/mm/init.c

@@ -211,59 +211,15 @@ void __init allocate_pgdat(unsigned int nid)
 
 	NODE_DATA(nid) = __va(phys);
 	memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
-
-	NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
 #endif
 
 	NODE_DATA(nid)->node_start_pfn = start_pfn;
 	NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn;
 }
 
-static void __init bootmem_init_one_node(unsigned int nid)
-{
-	unsigned long total_pages, paddr;
-	unsigned long end_pfn;
-	struct pglist_data *p;
-
-	p = NODE_DATA(nid);
-
-	/* Nothing to do.. */
-	if (!p->node_spanned_pages)
-		return;
-
-	end_pfn = pgdat_end_pfn(p);
-
-	total_pages = bootmem_bootmap_pages(p->node_spanned_pages);
-
-	paddr = memblock_alloc(total_pages << PAGE_SHIFT, PAGE_SIZE);
-	if (!paddr)
-		panic("Can't allocate bootmap for nid[%d]\n", nid);
-
-	init_bootmem_node(p, paddr >> PAGE_SHIFT, p->node_start_pfn, end_pfn);
-
-	free_bootmem_with_active_regions(nid, end_pfn);
-
-	/*
-	 * XXX Handle initial reservations for the system memory node
-	 * only for the moment, we'll refactor this later for handling
-	 * reservations in other nodes.
-	 */
-	if (nid == 0) {
-		struct memblock_region *reg;
-
-		/* Reserve the sections we're already using. */
-		for_each_memblock(reserved, reg) {
-			reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
-		}
-	}
-
-	sparse_memory_present_with_active_regions(nid);
-}
-
 static void __init do_init_bootmem(void)
 {
 	struct memblock_region *reg;
-	int i;
 
 	/* Add active regions with valid PFNs. */
 	for_each_memblock(memory, reg) {
@@ -279,9 +235,12 @@ static void __init do_init_bootmem(void)
 
 	plat_mem_setup();
 
-	for_each_online_node(i)
-		bootmem_init_one_node(i);
+	for_each_memblock(memory, reg) {
+		int nid = memblock_get_region_node(reg);
 
+		memory_present(nid, memblock_region_memory_base_pfn(reg),
+			memblock_region_memory_end_pfn(reg));
+	}
 	sparse_init();
 }
 
@@ -322,7 +281,6 @@ void __init paging_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
 	unsigned long vaddr, end;
-	int nid;
 
 	sh_mv.mv_mem_init();
 
@@ -377,21 +335,7 @@ void __init paging_init(void)
 	kmap_coherent_init();
 
 	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
-
-	for_each_online_node(nid) {
-		pg_data_t *pgdat = NODE_DATA(nid);
-		unsigned long low, start_pfn;
-
-		start_pfn = pgdat->bdata->node_min_pfn;
-		low = pgdat->bdata->node_low_pfn;
-
-		if (max_zone_pfns[ZONE_NORMAL] < low)
-			max_zone_pfns[ZONE_NORMAL] = low;
-
-		printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
-		       nid, start_pfn, low);
-	}
-
+	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
 	free_area_init_nodes(max_zone_pfns);
 }
 

arch/sh/mm/numa.c

@@ -8,7 +8,6 @@
  * for more details.
  */
 #include <linux/module.h>
-#include <linux/bootmem.h>
 #include <linux/memblock.h>
 #include <linux/mm.h>
 #include <linux/numa.h>
@@ -26,9 +25,7 @@ EXPORT_SYMBOL_GPL(node_data);
  */
 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 {
-	unsigned long bootmap_pages;
 	unsigned long start_pfn, end_pfn;
-	unsigned long bootmem_paddr;
 
 	/* Don't allow bogus node assignment */
 	BUG_ON(nid >= MAX_NUMNODES || nid <= 0);
@@ -48,25 +45,9 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 					     SMP_CACHE_BYTES, end));
 	memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
 
-	NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
 	NODE_DATA(nid)->node_start_pfn = start_pfn;
 	NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn;
 
-	/* Node-local bootmap */
-	bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
-	bootmem_paddr = memblock_alloc_base(bootmap_pages << PAGE_SHIFT,
-				       PAGE_SIZE, end);
-	init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
-			  start_pfn, end_pfn);
-
-	free_bootmem_with_active_regions(nid, end_pfn);
-
-	/* Reserve the pgdat and bootmap space with the bootmem allocator */
-	reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT,
-			     sizeof(struct pglist_data), BOOTMEM_DEFAULT);
-	reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr,
-			     bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
-
 	/* It's up */
 	node_set_online(nid);
 

arch/x86/entry/vdso/vdso32/vdso-fakesections.c

@@ -1 +0,0 @@
-#include "../vdso-fakesections.c"

arch/x86/events/core.c

@@ -27,6 +27,7 @@
 #include <linux/cpu.h>
 #include <linux/bitops.h>
 #include <linux/device.h>
+#include <linux/nospec.h>
 
 #include <asm/apic.h>
 #include <asm/stacktrace.h>
@@ -304,17 +305,20 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event *event)
 
 	config = attr->config;
 
-	cache_type = (config >>  0) & 0xff;
+	cache_type = (config >> 0) & 0xff;
 	if (cache_type >= PERF_COUNT_HW_CACHE_MAX)
 		return -EINVAL;
+	cache_type = array_index_nospec(cache_type, PERF_COUNT_HW_CACHE_MAX);
 
 	cache_op = (config >>  8) & 0xff;
 	if (cache_op >= PERF_COUNT_HW_CACHE_OP_MAX)
 		return -EINVAL;
+	cache_op = array_index_nospec(cache_op, PERF_COUNT_HW_CACHE_OP_MAX);
 
 	cache_result = (config >> 16) & 0xff;
 	if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
 		return -EINVAL;
+	cache_result = array_index_nospec(cache_result, PERF_COUNT_HW_CACHE_RESULT_MAX);
 
 	val = hw_cache_event_ids[cache_type][cache_op][cache_result];
 
@@ -421,6 +425,8 @@ int x86_setup_perfctr(struct perf_event *event)
 	if (attr->config >= x86_pmu.max_events)
 		return -EINVAL;
 
+	attr->config = array_index_nospec((unsigned long)attr->config, x86_pmu.max_events);
+
 	/*
 	 * The generic map:
 	 */

arch/x86/events/intel/cstate.c

@@ -92,6 +92,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/perf_event.h>
+#include <linux/nospec.h>
 #include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
 #include "../perf_event.h"
@@ -302,6 +303,7 @@ static int cstate_pmu_event_init(struct perf_event *event)
 	} else if (event->pmu == &cstate_pkg_pmu) {
 		if (cfg >= PERF_CSTATE_PKG_EVENT_MAX)
 			return -EINVAL;
+		cfg = array_index_nospec((unsigned long)cfg, PERF_CSTATE_PKG_EVENT_MAX);
 		if (!pkg_msr[cfg].attr)
 			return -EINVAL;
 		event->hw.event_base = pkg_msr[cfg].msr;

arch/x86/events/msr.c

@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/perf_event.h>
+#include <linux/nospec.h>
 #include <asm/intel-family.h>
 
 enum perf_msr_id {
@@ -158,9 +159,6 @@ static int msr_event_init(struct perf_event *event)
 	if (event->attr.type != event->pmu->type)
 		return -ENOENT;
 
-	if (cfg >= PERF_MSR_EVENT_MAX)
-		return -EINVAL;
-
 	/* unsupported modes and filters */
 	if (event->attr.exclude_user   ||
 	    event->attr.exclude_kernel ||
@@ -171,6 +169,11 @@ static int msr_event_init(struct perf_event *event)
 	    event->attr.sample_period) /* no sampling */
 		return -EINVAL;
 
+	if (cfg >= PERF_MSR_EVENT_MAX)
+		return -EINVAL;
+
+	cfg = array_index_nospec((unsigned long)cfg, PERF_MSR_EVENT_MAX);
+
 	if (!msr[cfg].attr)
 		return -EINVAL;
 

arch/x86/xen/enlighten_hvm.c

@@ -65,6 +65,19 @@ static void __init xen_hvm_init_mem_mapping(void)
 {
 	early_memunmap(HYPERVISOR_shared_info, PAGE_SIZE);
 	HYPERVISOR_shared_info = __va(PFN_PHYS(shared_info_pfn));
+
+	/*
+	 * The virtual address of the shared_info page has changed, so
+	 * the vcpu_info pointer for VCPU 0 is now stale.
+	 *
+	 * The prepare_boot_cpu callback will re-initialize it via
+	 * xen_vcpu_setup, but we can't rely on that to be called for
+	 * old Xen versions (xen_have_vector_callback == 0).
+	 *
+	 * It is, in any case, bad to have a stale vcpu_info pointer
+	 * so reset it now.
+	 */
+	xen_vcpu_info_reset(0);
 }
 
 static void __init init_hvm_pv_info(void)

drivers/ata/ahci.c

@@ -698,7 +698,7 @@ static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
 
 	DPRINTK("ENTER\n");
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
 				 deadline, &online, NULL);
@@ -724,7 +724,7 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
 	bool online;
 	int rc;
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	/* clear D2H reception area to properly wait for D2H FIS */
 	ata_tf_init(link->device, &tf);
@@ -788,7 +788,7 @@ static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
 
 	DPRINTK("ENTER\n");
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	for (i = 0; i < 2; i++) {
 		u16 val;

drivers/ata/ahci.h

@@ -350,7 +350,6 @@ struct ahci_host_priv {
 	u32			em_msg_type;	/* EM message type */
 	bool			got_runtime_pm; /* Did we do pm_runtime_get? */
 	struct clk		*clks[AHCI_MAX_CLKS]; /* Optional */
-	struct reset_control	*rsts;		/* Optional */
 	struct regulator	**target_pwrs;	/* Optional */
 	/*
 	 * If platform uses PHYs. There is a 1:1 relation between the port number and
@@ -366,6 +365,13 @@ struct ahci_host_priv {
 	 * be overridden anytime before the host is activated.
 	 */
 	void			(*start_engine)(struct ata_port *ap);
+	/*
+	 * Optional ahci_stop_engine override, if not set this gets set to the
+	 * default ahci_stop_engine during ahci_save_initial_config, this can
+	 * be overridden anytime before the host is activated.
+	 */
+	int			(*stop_engine)(struct ata_port *ap);
+
 	irqreturn_t 		(*irq_handler)(int irq, void *dev_instance);
 
 	/* only required for per-port MSI(-X) support */

drivers/ata/ahci_mvebu.c

@@ -62,6 +62,60 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv)
 	writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA);
 }
 
+/**
+ * ahci_mvebu_stop_engine
+ *
+ * @ap:	Target ata port
+ *
+ * Errata Ref#226 - SATA Disk HOT swap issue when connected through
+ * Port Multiplier in FIS-based Switching mode.
+ *
+ * To avoid the issue, according to design, the bits[11:8, 0] of
+ * register PxFBS are cleared when Port Command and Status (0x18) bit[0]
+ * changes its value from 1 to 0, i.e. falling edge of Port
+ * Command and Status bit[0] sends PULSE that resets PxFBS
+ * bits[11:8; 0].
+ *
+ * This function is used to override function of "ahci_stop_engine"
+ * from libahci.c by adding the mvebu work around(WA) to save PxFBS
+ * value before the PxCMD ST write of 0, then restore PxFBS value.
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int ahci_mvebu_stop_engine(struct ata_port *ap)
+{
+	void __iomem *port_mmio = ahci_port_base(ap);
+	u32 tmp, port_fbs;
+
+	tmp = readl(port_mmio + PORT_CMD);
+
+	/* check if the HBA is idle */
+	if ((tmp & (PORT_CMD_START | PORT_CMD_LIST_ON)) == 0)
+		return 0;
+
+	/* save the port PxFBS register for later restore */
+	port_fbs = readl(port_mmio + PORT_FBS);
+
+	/* setting HBA to idle */
+	tmp &= ~PORT_CMD_START;
+	writel(tmp, port_mmio + PORT_CMD);
+
+	/*
+	 * bit #15 PxCMD signal doesn't clear PxFBS,
+	 * restore the PxFBS register right after clearing the PxCMD ST,
+	 * no need to wait for the PxCMD bit #15.
+	 */
+	writel(port_fbs, port_mmio + PORT_FBS);
+
+	/* wait for engine to stop. This could be as long as 500 msec */
+	tmp = ata_wait_register(ap, port_mmio + PORT_CMD,
+				PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
+	if (tmp & PORT_CMD_LIST_ON)
+		return -EIO;
+
+	return 0;
+}
+
 #ifdef CONFIG_PM_SLEEP
 static int ahci_mvebu_suspend(struct platform_device *pdev, pm_message_t state)
 {
@@ -112,6 +166,8 @@ static int ahci_mvebu_probe(struct platform_device *pdev)
 	if (rc)
 		return rc;
 
+	hpriv->stop_engine = ahci_mvebu_stop_engine;
+
 	if (of_device_is_compatible(pdev->dev.of_node,
 				    "marvell,armada-380-ahci")) {
 		dram = mv_mbus_dram_info();

drivers/ata/ahci_qoriq.c

@@ -96,7 +96,7 @@ static int ahci_qoriq_hardreset(struct ata_link *link, unsigned int *class,
 
 	DPRINTK("ENTER\n");
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	/*
 	 * There is a errata on ls1021a Rev1.0 and Rev2.0 which is:

drivers/ata/ahci_xgene.c

@@ -165,7 +165,7 @@ static int xgene_ahci_restart_engine(struct ata_port *ap)
 				    PORT_CMD_ISSUE, 0x0, 1, 100))
 		  return -EBUSY;
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 	ahci_start_fis_rx(ap);
 
 	/*
@@ -421,7 +421,7 @@ static int xgene_ahci_hardreset(struct ata_link *link, unsigned int *class,
 	portrxfis_saved = readl(port_mmio + PORT_FIS_ADDR);
 	portrxfishi_saved = readl(port_mmio + PORT_FIS_ADDR_HI);
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	rc = xgene_ahci_do_hardreset(link, deadline, &online);
 

drivers/ata/libahci.c

@@ -560,6 +560,9 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
 	if (!hpriv->start_engine)
 		hpriv->start_engine = ahci_start_engine;
 
+	if (!hpriv->stop_engine)
+		hpriv->stop_engine = ahci_stop_engine;
+
 	if (!hpriv->irq_handler)
 		hpriv->irq_handler = ahci_single_level_irq_intr;
 }
@@ -897,9 +900,10 @@ static void ahci_start_port(struct ata_port *ap)
 static int ahci_deinit_port(struct ata_port *ap, const char **emsg)
 {
 	int rc;
+	struct ahci_host_priv *hpriv = ap->host->private_data;
 
 	/* disable DMA */
-	rc = ahci_stop_engine(ap);
+	rc = hpriv->stop_engine(ap);
 	if (rc) {
 		*emsg = "failed to stop engine";
 		return rc;
@@ -1310,7 +1314,7 @@ int ahci_kick_engine(struct ata_port *ap)
 	int busy, rc;
 
 	/* stop engine */
-	rc = ahci_stop_engine(ap);
+	rc = hpriv->stop_engine(ap);
 	if (rc)
 		goto out_restart;
 
@@ -1549,7 +1553,7 @@ int ahci_do_hardreset(struct ata_link *link, unsigned int *class,
 
 	DPRINTK("ENTER\n");
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	/* clear D2H reception area to properly wait for D2H FIS */
 	ata_tf_init(link->device, &tf);
@@ -2075,14 +2079,14 @@ void ahci_error_handler(struct ata_port *ap)
 
 	if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
 		/* restart engine */
-		ahci_stop_engine(ap);
+		hpriv->stop_engine(ap);
 		hpriv->start_engine(ap);
 	}
 
 	sata_pmp_error_handler(ap);
 
 	if (!ata_dev_enabled(ap->link.device))
-		ahci_stop_engine(ap);
+		hpriv->stop_engine(ap);
 }
 EXPORT_SYMBOL_GPL(ahci_error_handler);
 
@@ -2129,7 +2133,7 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep)
 		return;
 
 	/* set DITO, MDAT, DETO and enable DevSlp, need to stop engine first */
-	rc = ahci_stop_engine(ap);
+	rc = hpriv->stop_engine(ap);
 	if (rc)
 		return;
 
@@ -2189,7 +2193,7 @@ static void ahci_enable_fbs(struct ata_port *ap)
 		return;
 	}
 
-	rc = ahci_stop_engine(ap);
+	rc = hpriv->stop_engine(ap);
 	if (rc)
 		return;
 
@@ -2222,7 +2226,7 @@ static void ahci_disable_fbs(struct ata_port *ap)
 		return;
 	}
 
-	rc = ahci_stop_engine(ap);
+	rc = hpriv->stop_engine(ap);
 	if (rc)
 		return;
 

drivers/ata/libahci_platform.c

@@ -25,7 +25,6 @@
 #include <linux/phy/phy.h>
 #include <linux/pm_runtime.h>
 #include <linux/of_platform.h>
-#include <linux/reset.h>
 #include "ahci.h"
 
 static void ahci_host_stop(struct ata_host *host);
@@ -196,8 +195,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_disable_regulators);
  * following order:
  * 1) Regulator
  * 2) Clocks (through ahci_platform_enable_clks)
- * 3) Resets
- * 4) Phys
+ * 3) Phys
  *
  * If resource enabling fails at any point the previous enabled resources
  * are disabled in reverse order.
@@ -217,19 +215,12 @@ int ahci_platform_enable_resources(struct ahci_host_priv *hpriv)
 	if (rc)
 		goto disable_regulator;
 
-	rc = reset_control_deassert(hpriv->rsts);
-	if (rc)
-		goto disable_clks;
-
 	rc = ahci_platform_enable_phys(hpriv);
 	if (rc)
-		goto disable_resets;
+		goto disable_clks;
 
 	return 0;
 
-disable_resets:
-	reset_control_assert(hpriv->rsts);
-
 disable_clks:
 	ahci_platform_disable_clks(hpriv);
 
@@ -248,15 +239,12 @@ EXPORT_SYMBOL_GPL(ahci_platform_enable_resources);
  * following order:
  * 1) Phys
  * 2) Clocks (through ahci_platform_disable_clks)
- * 3) Resets
- * 4) Regulator
+ * 3) Regulator
  */
 void ahci_platform_disable_resources(struct ahci_host_priv *hpriv)
 {
 	ahci_platform_disable_phys(hpriv);
 
-	reset_control_assert(hpriv->rsts);
-
 	ahci_platform_disable_clks(hpriv);
 
 	ahci_platform_disable_regulators(hpriv);
@@ -405,12 +393,6 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev)
 		hpriv->clks[i] = clk;
 	}
 
-	hpriv->rsts = devm_reset_control_array_get_optional_shared(dev);
-	if (IS_ERR(hpriv->rsts)) {
-		rc = PTR_ERR(hpriv->rsts);
-		goto err_out;
-	}
-
 	hpriv->nports = child_nodes = of_get_child_count(dev->of_node);
 
 	/*

drivers/ata/libata-core.c

@@ -4549,6 +4549,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 						ATA_HORKAGE_ZERO_AFTER_TRIM |
 						ATA_HORKAGE_NOLPM, },
 
+	/* This specific Samsung model/firmware-rev does not handle LPM well */
+	{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, },
+
+	/* Sandisk devices which are known to not handle LPM well */
+	{ "SanDisk SD7UB3Q*G1001",	NULL,	ATA_HORKAGE_NOLPM, },
+
 	/* devices that don't properly handle queued TRIM commands */
 	{ "Micron_M500_*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM |
 						ATA_HORKAGE_ZERO_AFTER_TRIM, },

drivers/ata/libata-eh.c

@@ -175,8 +175,8 @@ static void ata_eh_handle_port_resume(struct ata_port *ap)
 { }
 #endif /* CONFIG_PM */
 
-static void __ata_ehi_pushv_desc(struct ata_eh_info *ehi, const char *fmt,
-				 va_list args)
+static __printf(2, 0) void __ata_ehi_pushv_desc(struct ata_eh_info *ehi,
+				 const char *fmt, va_list args)
 {
 	ehi->desc_len += vscnprintf(ehi->desc + ehi->desc_len,
 				     ATA_EH_DESC_LEN - ehi->desc_len,

drivers/ata/sata_highbank.c

@@ -410,7 +410,7 @@ static int ahci_highbank_hardreset(struct ata_link *link, unsigned int *class,
 	int rc;
 	int retry = 100;
 
-	ahci_stop_engine(ap);
+	hpriv->stop_engine(ap);
 
 	/* clear D2H reception area to properly wait for D2H FIS */
 	ata_tf_init(link->device, &tf);

drivers/ata/sata_sil24.c

@@ -285,13 +285,13 @@ static const struct sil24_cerr_info {
 	[PORT_CERR_INCONSISTENT] = { AC_ERR_HSM, ATA_EH_RESET,
 				     "protocol mismatch" },
 	[PORT_CERR_DIRECTION]	= { AC_ERR_HSM, ATA_EH_RESET,
-				    "data directon mismatch" },
+				    "data direction mismatch" },
 	[PORT_CERR_UNDERRUN]	= { AC_ERR_HSM, ATA_EH_RESET,
 				    "ran out of SGEs while writing" },
 	[PORT_CERR_OVERRUN]	= { AC_ERR_HSM, ATA_EH_RESET,
 				    "ran out of SGEs while reading" },
 	[PORT_CERR_PKT_PROT]	= { AC_ERR_HSM, ATA_EH_RESET,
-				    "invalid data directon for ATAPI CDB" },
+				    "invalid data direction for ATAPI CDB" },
 	[PORT_CERR_SGT_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_RESET,
 				     "SGT not on qword boundary" },
 	[PORT_CERR_SGT_TGTABRT]	= { AC_ERR_HOST_BUS, ATA_EH_RESET,

drivers/atm/firestream.c

@@ -191,7 +191,7 @@ static char *res_strings[] = {
 	"reserved 37",
 	"reserved 38",
 	"reserved 39",
-	"reseverd 40",
+	"reserved 40",
 	"reserved 41", 
 	"reserved 42", 
 	"reserved 43", 

drivers/atm/zatm.c

@@ -28,6 +28,7 @@
 #include <asm/io.h>
 #include <linux/atomic.h>
 #include <linux/uaccess.h>
+#include <linux/nospec.h>
 
 #include "uPD98401.h"
 #include "uPD98402.h"
@@ -1458,6 +1459,8 @@ static int zatm_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
 					return -EFAULT;
 				if (pool < 0 || pool > ZATM_LAST_POOL)
 					return -EINVAL;
+				pool = array_index_nospec(pool,
+							  ZATM_LAST_POOL + 1);
 				spin_lock_irqsave(&zatm_dev->lock, flags);
 				info = zatm_dev->pool_info[pool];
 				if (cmd == ZATM_GETPOOLZ) {

drivers/block/rbd.c

@@ -2366,7 +2366,9 @@ static int rbd_obj_issue_copyup(struct rbd_obj_request *obj_req, u32 bytes)
 	osd_req_op_cls_init(obj_req->osd_req, 0, CEPH_OSD_OP_CALL, "rbd",
 			    "copyup");
 	osd_req_op_cls_request_data_bvecs(obj_req->osd_req, 0,
-					  obj_req->copyup_bvecs, bytes);
+					  obj_req->copyup_bvecs,
+					  obj_req->copyup_bvec_count,
+					  bytes);
 
 	switch (obj_req->img_request->op_type) {
 	case OBJ_OP_WRITE:

drivers/bluetooth/btusb.c

@@ -231,6 +231,7 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
@@ -263,7 +264,6 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
 
 	/* QCA ROME chipset */
-	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_QCA_ROME },
 	{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
 	{ USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
 	{ USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
@@ -399,6 +399,13 @@ static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
 		},
 	},
+	{
+		/* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
+		},
+	},
 	{}
 };
 
@@ -2852,6 +2859,12 @@ static int btusb_config_oob_wake(struct hci_dev *hdev)
 }
 #endif
 
+static void btusb_check_needs_reset_resume(struct usb_interface *intf)
+{
+	if (dmi_check_system(btusb_needs_reset_resume_table))
+		interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
+}
+
 static int btusb_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
 {
@@ -2974,9 +2987,6 @@ static int btusb_probe(struct usb_interface *intf,
 	hdev->send   = btusb_send_frame;
 	hdev->notify = btusb_notify;
 
-	if (dmi_check_system(btusb_needs_reset_resume_table))
-		interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
-
 #ifdef CONFIG_PM
 	err = btusb_config_oob_wake(hdev);
 	if (err)
@@ -3064,6 +3074,7 @@ static int btusb_probe(struct usb_interface *intf,
 		data->setup_on_usb = btusb_setup_qca;
 		hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
 		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+		btusb_check_needs_reset_resume(intf);
 	}
 
 #ifdef CONFIG_BT_HCIBTUSB_RTL

drivers/char/agp/uninorth-agp.c

@@ -195,7 +195,7 @@ static int uninorth_insert_memory(struct agp_memory *mem, off_t pg_start, int ty
 	return 0;
 }
 
-int uninorth_remove_memory(struct agp_memory *mem, off_t pg_start, int type)
+static int uninorth_remove_memory(struct agp_memory *mem, off_t pg_start, int type)
 {
 	size_t i;
 	u32 *gp;
@@ -470,7 +470,7 @@ static int uninorth_free_gatt_table(struct agp_bridge_data *bridge)
 	return 0;
 }
 
-void null_cache_flush(void)
+static void null_cache_flush(void)
 {
 	mb();
 }

drivers/gpio/gpio-aspeed.c

@@ -384,7 +384,7 @@ static void aspeed_gpio_irq_set_mask(struct irq_data *d, bool set)
 	if (set)
 		reg |= bit;
 	else
-		reg &= bit;
+		reg &= ~bit;
 	iowrite32(reg, addr);
 
 	spin_unlock_irqrestore(&gpio->lock, flags);

drivers/gpio/gpio-pci-idio-16.c

@@ -116,9 +116,9 @@ static int idio_16_gpio_get_multiple(struct gpio_chip *chip,
 	unsigned long word_mask;
 	const unsigned long port_mask = GENMASK(gpio_reg_size - 1, 0);
 	unsigned long port_state;
-	u8 __iomem ports[] = {
-		idio16gpio->reg->out0_7, idio16gpio->reg->out8_15,
-		idio16gpio->reg->in0_7, idio16gpio->reg->in8_15,
+	void __iomem *ports[] = {
+		&idio16gpio->reg->out0_7, &idio16gpio->reg->out8_15,
+		&idio16gpio->reg->in0_7, &idio16gpio->reg->in8_15,
 	};
 
 	/* clear bits array to a clean slate */
@@ -143,7 +143,7 @@ static int idio_16_gpio_get_multiple(struct gpio_chip *chip,
 		}
 
 		/* read bits from current gpio port */
-		port_state = ioread8(ports + i);
+		port_state = ioread8(ports[i]);
 
 		/* store acquired bits at respective bits array offset */
 		bits[word_index] |= port_state << word_offset;

drivers/gpio/gpio-pcie-idio-24.c

@@ -206,10 +206,10 @@ static int idio_24_gpio_get_multiple(struct gpio_chip *chip,
 	unsigned long word_mask;
 	const unsigned long port_mask = GENMASK(gpio_reg_size - 1, 0);
 	unsigned long port_state;
-	u8 __iomem ports[] = {
-		idio24gpio->reg->out0_7, idio24gpio->reg->out8_15,
-		idio24gpio->reg->out16_23, idio24gpio->reg->in0_7,
-		idio24gpio->reg->in8_15, idio24gpio->reg->in16_23,
+	void __iomem *ports[] = {
+		&idio24gpio->reg->out0_7, &idio24gpio->reg->out8_15,
+		&idio24gpio->reg->out16_23, &idio24gpio->reg->in0_7,
+		&idio24gpio->reg->in8_15, &idio24gpio->reg->in16_23,
 	};
 	const unsigned long out_mode_mask = BIT(1);
 
@@ -217,7 +217,7 @@ static int idio_24_gpio_get_multiple(struct gpio_chip *chip,
 	bitmap_zero(bits, chip->ngpio);
 
 	/* get bits are evaluated a gpio port register at a time */
-	for (i = 0; i < ARRAY_SIZE(ports); i++) {
+	for (i = 0; i < ARRAY_SIZE(ports) + 1; i++) {
 		/* gpio offset in bits array */
 		bits_offset = i * gpio_reg_size;
 
@@ -236,7 +236,7 @@ static int idio_24_gpio_get_multiple(struct gpio_chip *chip,
 
 		/* read bits from current gpio port (port 6 is TTL GPIO) */
 		if (i < 6)
-			port_state = ioread8(ports + i);
+			port_state = ioread8(ports[i]);
 		else if (ioread8(&idio24gpio->reg->ctl) & out_mode_mask)
 			port_state = ioread8(&idio24gpio->reg->ttl_out0_7);
 		else
@@ -301,9 +301,9 @@ static void idio_24_gpio_set_multiple(struct gpio_chip *chip,
 	const unsigned long port_mask = GENMASK(gpio_reg_size, 0);
 	unsigned long flags;
 	unsigned int out_state;
-	u8 __iomem ports[] = {
-		idio24gpio->reg->out0_7, idio24gpio->reg->out8_15,
-		idio24gpio->reg->out16_23
+	void __iomem *ports[] = {
+		&idio24gpio->reg->out0_7, &idio24gpio->reg->out8_15,
+		&idio24gpio->reg->out16_23
 	};
 	const unsigned long out_mode_mask = BIT(1);
 	const unsigned int ttl_offset = 48;
@@ -327,9 +327,9 @@ static void idio_24_gpio_set_multiple(struct gpio_chip *chip,
 		raw_spin_lock_irqsave(&idio24gpio->lock, flags);
 
 		/* process output lines */
-		out_state = ioread8(ports + i) & ~gpio_mask;
+		out_state = ioread8(ports[i]) & ~gpio_mask;
 		out_state |= (*bits >> bits_offset) & gpio_mask;
-		iowrite8(out_state, ports + i);
+		iowrite8(out_state, ports[i]);
 
 		raw_spin_unlock_irqrestore(&idio24gpio->lock, flags);
 	}

drivers/gpio/gpiolib.c

@@ -497,7 +497,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
 	struct gpiohandle_request handlereq;
 	struct linehandle_state *lh;
 	struct file *file;
-	int fd, i, ret;
+	int fd, i, count = 0, ret;
 	u32 lflags;
 
 	if (copy_from_user(&handlereq, ip, sizeof(handlereq)))
@@ -558,6 +558,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
 		if (ret)
 			goto out_free_descs;
 		lh->descs[i] = desc;
+		count = i;
 
 		if (lflags & GPIOHANDLE_REQUEST_ACTIVE_LOW)
 			set_bit(FLAG_ACTIVE_LOW, &desc->flags);
@@ -628,7 +629,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
 out_put_unused_fd:
 	put_unused_fd(fd);
 out_free_descs:
-	for (; i >= 0; i--)
+	for (i = 0; i < count; i++)
 		gpiod_free(lh->descs[i]);
 	kfree(lh->label);
 out_free_lh:
@@ -902,7 +903,7 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip)
 	desc = &gdev->descs[offset];
 	ret = gpiod_request(desc, le->label);
 	if (ret)
-		goto out_free_desc;
+		goto out_free_label;
 	le->desc = desc;
 	le->eflags = eflags;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c

@@ -419,9 +419,11 @@ int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, unsigned ring_id)
 
 	if (other) {
 		signed long r;
-		r = dma_fence_wait_timeout(other, false, MAX_SCHEDULE_TIMEOUT);
+		r = dma_fence_wait(other, true);
 		if (r < 0) {
-			DRM_ERROR("Error (%ld) waiting for fence!\n", r);
+			if (r != -ERESTARTSYS)
+				DRM_ERROR("Error (%ld) waiting for fence!\n", r);
+
 			return r;
 		}
 	}

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

@@ -83,21 +83,22 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 	enum i2c_mot_mode mot = (msg->request & DP_AUX_I2C_MOT) ?
 		I2C_MOT_TRUE : I2C_MOT_FALSE;
 	enum ddc_result res;
-	ssize_t read_bytes;
+	uint32_t read_bytes = msg->size;
 
 	if (WARN_ON(msg->size > 16))
 		return -E2BIG;
 
 	switch (msg->request & ~DP_AUX_I2C_MOT) {
 	case DP_AUX_NATIVE_READ:
-		read_bytes = dal_ddc_service_read_dpcd_data(
+		res = dal_ddc_service_read_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
 				false,
 				I2C_MOT_UNDEF,
 				msg->address,
 				msg->buffer,
-				msg->size);
-		return read_bytes;
+				msg->size,
+				&read_bytes);
+		break;
 	case DP_AUX_NATIVE_WRITE:
 		res = dal_ddc_service_write_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
@@ -108,14 +109,15 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 				msg->size);
 		break;
 	case DP_AUX_I2C_READ:
-		read_bytes = dal_ddc_service_read_dpcd_data(
+		res = dal_ddc_service_read_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
 				true,
 				mot,
 				msg->address,
 				msg->buffer,
-				msg->size);
-		return read_bytes;
+				msg->size,
+				&read_bytes);
+		break;
 	case DP_AUX_I2C_WRITE:
 		res = dal_ddc_service_write_dpcd_data(
 				TO_DM_AUX(aux)->ddc_service,
@@ -137,7 +139,9 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 		 r == DDC_RESULT_SUCESSFULL);
 #endif
 
-	return msg->size;
+	if (res != DDC_RESULT_SUCESSFULL)
+		return -EIO;
+	return read_bytes;
 }
 
 static enum drm_connector_status

drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c

@@ -70,6 +70,10 @@ static enum bp_result get_firmware_info_v3_1(
 	struct bios_parser *bp,
 	struct dc_firmware_info *info);
 
+static enum bp_result get_firmware_info_v3_2(
+	struct bios_parser *bp,
+	struct dc_firmware_info *info);
+
 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
 		struct atom_display_object_path_v2 *object);
 
@@ -1321,9 +1325,11 @@ static enum bp_result bios_parser_get_firmware_info(
 		case 3:
 			switch (revision.minor) {
 			case 1:
-			case 2:
 				result = get_firmware_info_v3_1(bp, info);
 				break;
+			case 2:
+				result = get_firmware_info_v3_2(bp, info);
+				break;
 			default:
 				break;
 			}
@@ -1383,6 +1389,84 @@ static enum bp_result get_firmware_info_v3_1(
 	return BP_RESULT_OK;
 }
 
+static enum bp_result get_firmware_info_v3_2(
+	struct bios_parser *bp,
+	struct dc_firmware_info *info)
+{
+	struct atom_firmware_info_v3_2 *firmware_info;
+	struct atom_display_controller_info_v4_1 *dce_info = NULL;
+	struct atom_common_table_header *header;
+	struct atom_data_revision revision;
+	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
+	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
+
+	if (!info)
+		return BP_RESULT_BADINPUT;
+
+	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
+			DATA_TABLES(firmwareinfo));
+
+	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
+			DATA_TABLES(dce_info));
+
+	if (!firmware_info || !dce_info)
+		return BP_RESULT_BADBIOSTABLE;
+
+	memset(info, 0, sizeof(*info));
+
+	header = GET_IMAGE(struct atom_common_table_header,
+					DATA_TABLES(smu_info));
+	get_atom_data_table_revision(header, &revision);
+
+	if (revision.minor == 2) {
+		/* Vega12 */
+		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
+							DATA_TABLES(smu_info));
+
+		if (!smu_info_v3_2)
+			return BP_RESULT_BADBIOSTABLE;
+
+		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
+	} else if (revision.minor == 3) {
+		/* Vega20 */
+		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
+							DATA_TABLES(smu_info));
+
+		if (!smu_info_v3_3)
+			return BP_RESULT_BADBIOSTABLE;
+
+		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
+	}
+
+	 // We need to convert from 10KHz units into KHz units.
+	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
+
+	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
+	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
+	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
+	if (info->pll_info.crystal_frequency == 0) {
+		if (revision.minor == 2)
+			info->pll_info.crystal_frequency = 27000;
+		else if (revision.minor == 3)
+			info->pll_info.crystal_frequency = 100000;
+	}
+	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
+	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
+	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
+
+	/* Get GPU PLL VCO Clock */
+	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
+		if (revision.minor == 2)
+			info->smu_gpu_pll_output_freq =
+					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
+		else if (revision.minor == 3)
+			info->smu_gpu_pll_output_freq =
+					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
+	}
+
+	return BP_RESULT_OK;
+}
+
 static enum bp_result bios_parser_get_encoder_cap_info(
 	struct dc_bios *dcb,
 	struct graphics_object_id object_id,

drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c

@@ -629,13 +629,14 @@ bool dal_ddc_service_query_ddc_data(
 	return ret;
 }
 
-ssize_t dal_ddc_service_read_dpcd_data(
+enum ddc_result dal_ddc_service_read_dpcd_data(
 	struct ddc_service *ddc,
 	bool i2c,
 	enum i2c_mot_mode mot,
 	uint32_t address,
 	uint8_t *data,
-	uint32_t len)
+	uint32_t len,
+	uint32_t *read)
 {
 	struct aux_payload read_payload = {
 		.i2c_over_aux = i2c,
@@ -652,6 +653,8 @@ ssize_t dal_ddc_service_read_dpcd_data(
 		.mot = mot
 	};
 
+	*read = 0;
+
 	if (len > DEFAULT_AUX_MAX_DATA_SIZE) {
 		BREAK_TO_DEBUGGER();
 		return DDC_RESULT_FAILED_INVALID_OPERATION;
@@ -661,7 +664,8 @@ ssize_t dal_ddc_service_read_dpcd_data(
 		ddc->ctx->i2caux,
 		ddc->ddc_pin,
 		&command)) {
-		return (ssize_t)command.payloads->length;
+		*read = command.payloads->length;
+		return DDC_RESULT_SUCESSFULL;
 	}
 
 	return DDC_RESULT_FAILED_OPERATION;

drivers/gpu/drm/amd/display/dc/core/dc_surface.c

@@ -66,8 +66,8 @@ struct dc_plane_state *dc_create_plane_state(struct dc *dc)
 {
 	struct dc *core_dc = dc;
 
-	struct dc_plane_state *plane_state = kzalloc(sizeof(*plane_state),
-						     GFP_KERNEL);
+	struct dc_plane_state *plane_state = kvzalloc(sizeof(*plane_state),
+						      GFP_KERNEL);
 
 	if (NULL == plane_state)
 		return NULL;
@@ -120,7 +120,7 @@ static void dc_plane_state_free(struct kref *kref)
 {
 	struct dc_plane_state *plane_state = container_of(kref, struct dc_plane_state, refcount);
 	destruct(plane_state);
-	kfree(plane_state);
+	kvfree(plane_state);
 }
 
 void dc_plane_state_release(struct dc_plane_state *plane_state)
@@ -136,7 +136,7 @@ void dc_gamma_retain(struct dc_gamma *gamma)
 static void dc_gamma_free(struct kref *kref)
 {
 	struct dc_gamma *gamma = container_of(kref, struct dc_gamma, refcount);
-	kfree(gamma);
+	kvfree(gamma);
 }
 
 void dc_gamma_release(struct dc_gamma **gamma)
@@ -147,7 +147,7 @@ void dc_gamma_release(struct dc_gamma **gamma)
 
 struct dc_gamma *dc_create_gamma(void)
 {
-	struct dc_gamma *gamma = kzalloc(sizeof(*gamma), GFP_KERNEL);
+	struct dc_gamma *gamma = kvzalloc(sizeof(*gamma), GFP_KERNEL);
 
 	if (gamma == NULL)
 		goto alloc_fail;
@@ -167,7 +167,7 @@ void dc_transfer_func_retain(struct dc_transfer_func *tf)
 static void dc_transfer_func_free(struct kref *kref)
 {
 	struct dc_transfer_func *tf = container_of(kref, struct dc_transfer_func, refcount);
-	kfree(tf);
+	kvfree(tf);
 }
 
 void dc_transfer_func_release(struct dc_transfer_func *tf)
@@ -177,7 +177,7 @@ void dc_transfer_func_release(struct dc_transfer_func *tf)
 
 struct dc_transfer_func *dc_create_transfer_func(void)
 {
-	struct dc_transfer_func *tf = kzalloc(sizeof(*tf), GFP_KERNEL);
+	struct dc_transfer_func *tf = kvzalloc(sizeof(*tf), GFP_KERNEL);
 
 	if (tf == NULL)
 		goto alloc_fail;

drivers/gpu/drm/amd/display/dc/inc/dc_link_ddc.h

@@ -102,13 +102,14 @@ bool dal_ddc_service_query_ddc_data(
 		uint8_t *read_buf,
 		uint32_t read_size);
 
-ssize_t dal_ddc_service_read_dpcd_data(
+enum ddc_result dal_ddc_service_read_dpcd_data(
 		struct ddc_service *ddc,
 		bool i2c,
 		enum i2c_mot_mode mot,
 		uint32_t address,
 		uint8_t *data,
-		uint32_t len);
+		uint32_t len,
+		uint32_t *read);
 
 enum ddc_result dal_ddc_service_write_dpcd_data(
 		struct ddc_service *ddc,

drivers/gpu/drm/amd/display/include/dal_asic_id.h

@@ -113,9 +113,14 @@
 
 #define AI_GREENLAND_P_A0 1
 #define AI_GREENLAND_P_A1 2
+#define AI_UNKNOWN 0xFF
 
-#define ASICREV_IS_GREENLAND_M(eChipRev)  (eChipRev < AI_UNKNOWN)
-#define ASICREV_IS_GREENLAND_P(eChipRev)  (eChipRev < AI_UNKNOWN)
+#define AI_VEGA12_P_A0 20
+#define ASICREV_IS_GREENLAND_M(eChipRev)  (eChipRev < AI_VEGA12_P_A0)
+#define ASICREV_IS_GREENLAND_P(eChipRev)  (eChipRev < AI_VEGA12_P_A0)
+
+#define ASICREV_IS_VEGA12_P(eChipRev) ((eChipRev >= AI_VEGA12_P_A0) && (eChipRev < AI_UNKNOWN))
+#define ASICREV_IS_VEGA12_p(eChipRev) ((eChipRev >= AI_VEGA12_P_A0) && (eChipRev < AI_UNKNOWN))
 
 /* DCN1_0 */
 #define INTERNAL_REV_RAVEN_A0             0x00    /* First spin of Raven */

drivers/gpu/drm/amd/display/modules/color/color_gamma.c

@@ -1093,19 +1093,19 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 
 	output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
 
-	rgb_user = kzalloc(sizeof(*rgb_user) * (ramp->num_entries + _EXTRA_POINTS),
-			   GFP_KERNEL);
+	rgb_user = kvzalloc(sizeof(*rgb_user) * (ramp->num_entries + _EXTRA_POINTS),
+			    GFP_KERNEL);
 	if (!rgb_user)
 		goto rgb_user_alloc_fail;
-	rgb_regamma = kzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS + _EXTRA_POINTS),
-			GFP_KERNEL);
+	rgb_regamma = kvzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS + _EXTRA_POINTS),
+			       GFP_KERNEL);
 	if (!rgb_regamma)
 		goto rgb_regamma_alloc_fail;
-	axix_x = kzalloc(sizeof(*axix_x) * (ramp->num_entries + 3),
-			 GFP_KERNEL);
+	axix_x = kvzalloc(sizeof(*axix_x) * (ramp->num_entries + 3),
+			  GFP_KERNEL);
 	if (!axix_x)
 		goto axix_x_alloc_fail;
-	coeff = kzalloc(sizeof(*coeff) * (MAX_HW_POINTS + _EXTRA_POINTS), GFP_KERNEL);
+	coeff = kvzalloc(sizeof(*coeff) * (MAX_HW_POINTS + _EXTRA_POINTS), GFP_KERNEL);
 	if (!coeff)
 		goto coeff_alloc_fail;
 
@@ -1157,13 +1157,13 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
 
 	ret = true;
 
-	kfree(coeff);
+	kvfree(coeff);
 coeff_alloc_fail:
-	kfree(axix_x);
+	kvfree(axix_x);
 axix_x_alloc_fail:
-	kfree(rgb_regamma);
+	kvfree(rgb_regamma);
 rgb_regamma_alloc_fail:
-	kfree(rgb_user);
+	kvfree(rgb_user);
 rgb_user_alloc_fail:
 	return ret;
 }
@@ -1192,19 +1192,19 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
 
 	input_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
 
-	rgb_user = kzalloc(sizeof(*rgb_user) * (ramp->num_entries + _EXTRA_POINTS),
-			   GFP_KERNEL);
+	rgb_user = kvzalloc(sizeof(*rgb_user) * (ramp->num_entries + _EXTRA_POINTS),
+			    GFP_KERNEL);
 	if (!rgb_user)
 		goto rgb_user_alloc_fail;
-	curve = kzalloc(sizeof(*curve) * (MAX_HW_POINTS + _EXTRA_POINTS),
-			GFP_KERNEL);
+	curve = kvzalloc(sizeof(*curve) * (MAX_HW_POINTS + _EXTRA_POINTS),
+			 GFP_KERNEL);
 	if (!curve)
 		goto curve_alloc_fail;
-	axix_x = kzalloc(sizeof(*axix_x) * (ramp->num_entries + _EXTRA_POINTS),
-			 GFP_KERNEL);
+	axix_x = kvzalloc(sizeof(*axix_x) * (ramp->num_entries + _EXTRA_POINTS),
+			  GFP_KERNEL);
 	if (!axix_x)
 		goto axix_x_alloc_fail;
-	coeff = kzalloc(sizeof(*coeff) * (MAX_HW_POINTS + _EXTRA_POINTS), GFP_KERNEL);
+	coeff = kvzalloc(sizeof(*coeff) * (MAX_HW_POINTS + _EXTRA_POINTS), GFP_KERNEL);
 	if (!coeff)
 		goto coeff_alloc_fail;
 
@@ -1246,13 +1246,13 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
 
 	ret = true;
 
-	kfree(coeff);
+	kvfree(coeff);
 coeff_alloc_fail:
-	kfree(axix_x);
+	kvfree(axix_x);
 axix_x_alloc_fail:
-	kfree(curve);
+	kvfree(curve);
 curve_alloc_fail:
-	kfree(rgb_user);
+	kvfree(rgb_user);
 rgb_user_alloc_fail:
 
 	return ret;
@@ -1281,8 +1281,9 @@ bool  mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
 		}
 		ret = true;
 	} else if (trans == TRANSFER_FUNCTION_PQ) {
-		rgb_regamma = kzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS +
-						_EXTRA_POINTS), GFP_KERNEL);
+		rgb_regamma = kvzalloc(sizeof(*rgb_regamma) *
+				       (MAX_HW_POINTS + _EXTRA_POINTS),
+				       GFP_KERNEL);
 		if (!rgb_regamma)
 			goto rgb_regamma_alloc_fail;
 		points->end_exponent = 7;
@@ -1302,11 +1303,12 @@ bool  mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
 		}
 		ret = true;
 
-		kfree(rgb_regamma);
+		kvfree(rgb_regamma);
 	} else if (trans == TRANSFER_FUNCTION_SRGB ||
 			  trans == TRANSFER_FUNCTION_BT709) {
-		rgb_regamma = kzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS +
-						_EXTRA_POINTS), GFP_KERNEL);
+		rgb_regamma = kvzalloc(sizeof(*rgb_regamma) *
+				       (MAX_HW_POINTS + _EXTRA_POINTS),
+				       GFP_KERNEL);
 		if (!rgb_regamma)
 			goto rgb_regamma_alloc_fail;
 		points->end_exponent = 0;
@@ -1324,7 +1326,7 @@ bool  mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
 		}
 		ret = true;
 
-		kfree(rgb_regamma);
+		kvfree(rgb_regamma);
 	}
 rgb_regamma_alloc_fail:
 	return ret;
@@ -1348,8 +1350,9 @@ bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
 		}
 		ret = true;
 	} else if (trans == TRANSFER_FUNCTION_PQ) {
-		rgb_degamma = kzalloc(sizeof(*rgb_degamma) * (MAX_HW_POINTS +
-						_EXTRA_POINTS), GFP_KERNEL);
+		rgb_degamma = kvzalloc(sizeof(*rgb_degamma) *
+				       (MAX_HW_POINTS +	_EXTRA_POINTS),
+				       GFP_KERNEL);
 		if (!rgb_degamma)
 			goto rgb_degamma_alloc_fail;
 
@@ -1364,11 +1367,12 @@ bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
 		}
 		ret = true;
 
-		kfree(rgb_degamma);
+		kvfree(rgb_degamma);
 	} else if (trans == TRANSFER_FUNCTION_SRGB ||
 			  trans == TRANSFER_FUNCTION_BT709) {
-		rgb_degamma = kzalloc(sizeof(*rgb_degamma) * (MAX_HW_POINTS +
-						_EXTRA_POINTS), GFP_KERNEL);
+		rgb_degamma = kvzalloc(sizeof(*rgb_degamma) *
+				       (MAX_HW_POINTS + _EXTRA_POINTS),
+				       GFP_KERNEL);
 		if (!rgb_degamma)
 			goto rgb_degamma_alloc_fail;
 
@@ -1382,7 +1386,7 @@ bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
 		}
 		ret = true;
 
-		kfree(rgb_degamma);
+		kvfree(rgb_degamma);
 	}
 	points->end_exponent = 0;
 	points->x_point_at_y1_red = 1;

drivers/gpu/drm/amd/include/atomfirmware.h

@@ -501,6 +501,32 @@ enum atom_cooling_solution_id{
   LIQUID_COOLING = 0x01
 };
 
+struct atom_firmware_info_v3_2 {
+  struct atom_common_table_header table_header;
+  uint32_t firmware_revision;
+  uint32_t bootup_sclk_in10khz;
+  uint32_t bootup_mclk_in10khz;
+  uint32_t firmware_capability;             // enum atombios_firmware_capability
+  uint32_t main_call_parser_entry;          /* direct address of main parser call in VBIOS binary. */
+  uint32_t bios_scratch_reg_startaddr;      // 1st bios scratch register dword address
+  uint16_t bootup_vddc_mv;
+  uint16_t bootup_vddci_mv;
+  uint16_t bootup_mvddc_mv;
+  uint16_t bootup_vddgfx_mv;
+  uint8_t  mem_module_id;
+  uint8_t  coolingsolution_id;              /*0: Air cooling; 1: Liquid cooling ... */
+  uint8_t  reserved1[2];
+  uint32_t mc_baseaddr_high;
+  uint32_t mc_baseaddr_low;
+  uint8_t  board_i2c_feature_id;            // enum of atom_board_i2c_feature_id_def
+  uint8_t  board_i2c_feature_gpio_id;       // i2c id find in gpio_lut data table gpio_id
+  uint8_t  board_i2c_feature_slave_addr;
+  uint8_t  reserved3;
+  uint16_t bootup_mvddq_mv;
+  uint16_t bootup_mvpp_mv;
+  uint32_t zfbstartaddrin16mb;
+  uint32_t reserved2[3];
+};
 
 /* 
   ***************************************************************************
@@ -1169,7 +1195,29 @@ struct  atom_gfx_info_v2_2
   uint32_t rlc_gpu_timer_refclk; 
 };
 
-
+struct  atom_gfx_info_v2_3 {
+  struct  atom_common_table_header  table_header;
+  uint8_t gfxip_min_ver;
+  uint8_t gfxip_max_ver;
+  uint8_t max_shader_engines;
+  uint8_t max_tile_pipes;
+  uint8_t max_cu_per_sh;
+  uint8_t max_sh_per_se;
+  uint8_t max_backends_per_se;
+  uint8_t max_texture_channel_caches;
+  uint32_t regaddr_cp_dma_src_addr;
+  uint32_t regaddr_cp_dma_src_addr_hi;
+  uint32_t regaddr_cp_dma_dst_addr;
+  uint32_t regaddr_cp_dma_dst_addr_hi;
+  uint32_t regaddr_cp_dma_command;
+  uint32_t regaddr_cp_status;
+  uint32_t regaddr_rlc_gpu_clock_32;
+  uint32_t rlc_gpu_timer_refclk;
+  uint8_t active_cu_per_sh;
+  uint8_t active_rb_per_se;
+  uint16_t gcgoldenoffset;
+  uint32_t rm21_sram_vmin_value;
+};
 
 /* 
   ***************************************************************************
@@ -1198,6 +1246,76 @@ struct atom_smu_info_v3_1
   uint8_t  fw_ctf_polarity;         // GPIO polarity for CTF
 };
 
+struct atom_smu_info_v3_2 {
+  struct   atom_common_table_header  table_header;
+  uint8_t  smuip_min_ver;
+  uint8_t  smuip_max_ver;
+  uint8_t  smu_rsd1;
+  uint8_t  gpuclk_ss_mode;
+  uint16_t sclk_ss_percentage;
+  uint16_t sclk_ss_rate_10hz;
+  uint16_t gpuclk_ss_percentage;    // in unit of 0.001%
+  uint16_t gpuclk_ss_rate_10hz;
+  uint32_t core_refclk_10khz;
+  uint8_t  ac_dc_gpio_bit;          // GPIO bit shift in SMU_GPIOPAD_A  configured for AC/DC switching, =0xff means invalid
+  uint8_t  ac_dc_polarity;          // GPIO polarity for AC/DC switching
+  uint8_t  vr0hot_gpio_bit;         // GPIO bit shift in SMU_GPIOPAD_A  configured for VR0 HOT event, =0xff means invalid
+  uint8_t  vr0hot_polarity;         // GPIO polarity for VR0 HOT event
+  uint8_t  vr1hot_gpio_bit;         // GPIO bit shift in SMU_GPIOPAD_A configured for VR1 HOT event , =0xff means invalid
+  uint8_t  vr1hot_polarity;         // GPIO polarity for VR1 HOT event
+  uint8_t  fw_ctf_gpio_bit;         // GPIO bit shift in SMU_GPIOPAD_A configured for CTF, =0xff means invalid
+  uint8_t  fw_ctf_polarity;         // GPIO polarity for CTF
+  uint8_t  pcc_gpio_bit;            // GPIO bit shift in SMU_GPIOPAD_A configured for PCC, =0xff means invalid
+  uint8_t  pcc_gpio_polarity;       // GPIO polarity for CTF
+  uint16_t smugoldenoffset;
+  uint32_t gpupll_vco_freq_10khz;
+  uint32_t bootup_smnclk_10khz;
+  uint32_t bootup_socclk_10khz;
+  uint32_t bootup_mp0clk_10khz;
+  uint32_t bootup_mp1clk_10khz;
+  uint32_t bootup_lclk_10khz;
+  uint32_t bootup_dcefclk_10khz;
+  uint32_t ctf_threshold_override_value;
+  uint32_t reserved[5];
+};
+
+struct atom_smu_info_v3_3 {
+  struct   atom_common_table_header  table_header;
+  uint8_t  smuip_min_ver;
+  uint8_t  smuip_max_ver;
+  uint8_t  smu_rsd1;
+  uint8_t  gpuclk_ss_mode;
+  uint16_t sclk_ss_percentage;
+  uint16_t sclk_ss_rate_10hz;
+  uint16_t gpuclk_ss_percentage;    // in unit of 0.001%
+  uint16_t gpuclk_ss_rate_10hz;
+  uint32_t core_refclk_10khz;
+  uint8_t  ac_dc_gpio_bit;          // GPIO bit shift in SMU_GPIOPAD_A  configured for AC/DC switching, =0xff means invalid
+  uint8_t  ac_dc_polarity;          // GPIO polarity for AC/DC switching
+  uint8_t  vr0hot_gpio_bit;         // GPIO bit shift in SMU_GPIOPAD_A  configured for VR0 HOT event, =0xff means invalid
+  uint8_t  vr0hot_polarity;         // GPIO polarity for VR0 HOT event
+  uint8_t  vr1hot_gpio_bit;         // GPIO bit shift in SMU_GPIOPAD_A configured for VR1 HOT event , =0xff means invalid
+  uint8_t  vr1hot_polarity;         // GPIO polarity for VR1 HOT event
+  uint8_t  fw_ctf_gpio_bit;         // GPIO bit shift in SMU_GPIOPAD_A configured for CTF, =0xff means invalid
+  uint8_t  fw_ctf_polarity;         // GPIO polarity for CTF
+  uint8_t  pcc_gpio_bit;            // GPIO bit shift in SMU_GPIOPAD_A configured for PCC, =0xff means invalid
+  uint8_t  pcc_gpio_polarity;       // GPIO polarity for CTF
+  uint16_t smugoldenoffset;
+  uint32_t gpupll_vco_freq_10khz;
+  uint32_t bootup_smnclk_10khz;
+  uint32_t bootup_socclk_10khz;
+  uint32_t bootup_mp0clk_10khz;
+  uint32_t bootup_mp1clk_10khz;
+  uint32_t bootup_lclk_10khz;
+  uint32_t bootup_dcefclk_10khz;
+  uint32_t ctf_threshold_override_value;
+  uint32_t syspll3_0_vco_freq_10khz;
+  uint32_t syspll3_1_vco_freq_10khz;
+  uint32_t bootup_fclk_10khz;
+  uint32_t bootup_waflclk_10khz;
+  uint32_t reserved[3];
+};
+
 /*
  ***************************************************************************
    Data Table smc_dpm_info  structure
@@ -1283,7 +1401,6 @@ struct atom_smc_dpm_info_v4_1
 	uint32_t boardreserved[10];
 };
 
-
 /* 
   ***************************************************************************
     Data Table asic_profiling_info  structure
@@ -1864,6 +1981,55 @@ enum atom_smu9_syspll0_clock_id
   SMU9_SYSPLL0_DISPCLK_ID  = 11,      //	DISPCLK
 };
 
+enum atom_smu11_syspll_id {
+  SMU11_SYSPLL0_ID            = 0,
+  SMU11_SYSPLL1_0_ID          = 1,
+  SMU11_SYSPLL1_1_ID          = 2,
+  SMU11_SYSPLL1_2_ID          = 3,
+  SMU11_SYSPLL2_ID            = 4,
+  SMU11_SYSPLL3_0_ID          = 5,
+  SMU11_SYSPLL3_1_ID          = 6,
+};
+
+
+enum atom_smu11_syspll0_clock_id {
+  SMU11_SYSPLL0_SOCCLK_ID   = 0,       //	SOCCLK
+  SMU11_SYSPLL0_MP0CLK_ID   = 1,       //	MP0CLK
+  SMU11_SYSPLL0_DCLK_ID     = 2,       //	DCLK
+  SMU11_SYSPLL0_VCLK_ID     = 3,       //	VCLK
+  SMU11_SYSPLL0_ECLK_ID     = 4,       //	ECLK
+  SMU11_SYSPLL0_DCEFCLK_ID  = 5,       //	DCEFCLK
+};
+
+
+enum atom_smu11_syspll1_0_clock_id {
+  SMU11_SYSPLL1_0_UCLKA_ID   = 0,       // UCLK_a
+};
+
+enum atom_smu11_syspll1_1_clock_id {
+  SMU11_SYSPLL1_0_UCLKB_ID   = 0,       // UCLK_b
+};
+
+enum atom_smu11_syspll1_2_clock_id {
+  SMU11_SYSPLL1_0_FCLK_ID   = 0,        // FCLK
+};
+
+enum atom_smu11_syspll2_clock_id {
+  SMU11_SYSPLL2_GFXCLK_ID   = 0,        // GFXCLK
+};
+
+enum atom_smu11_syspll3_0_clock_id {
+  SMU11_SYSPLL3_0_WAFCLK_ID = 0,       //	WAFCLK
+  SMU11_SYSPLL3_0_DISPCLK_ID = 1,      //	DISPCLK
+  SMU11_SYSPLL3_0_DPREFCLK_ID = 2,     //	DPREFCLK
+};
+
+enum atom_smu11_syspll3_1_clock_id {
+  SMU11_SYSPLL3_1_MP1CLK_ID = 0,       //	MP1CLK
+  SMU11_SYSPLL3_1_SMNCLK_ID = 1,       //	SMNCLK
+  SMU11_SYSPLL3_1_LCLK_ID = 2,         //	LCLK
+};
+
 struct  atom_get_smu_clock_info_output_parameters_v3_1
 {
   union {

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

@@ -79,12 +79,13 @@
 #define PCIE_BUS_CLK                10000
 #define TCLK                        (PCIE_BUS_CLK / 10)
 
-static const struct profile_mode_setting smu7_profiling[5] =
+static const struct profile_mode_setting smu7_profiling[6] =
 					{{1, 0, 100, 30, 1, 0, 100, 10},
 					 {1, 10, 0, 30, 0, 0, 0, 0},
 					 {0, 0, 0, 0, 1, 10, 16, 31},
 					 {1, 0, 11, 50, 1, 0, 100, 10},
 					 {1, 0, 5, 30, 0, 0, 0, 0},
+					 {0, 0, 0, 0, 0, 0, 0, 0},
 					};
 
 /** Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */
@@ -4864,6 +4865,17 @@ static int smu7_get_power_profile_mode(struct pp_hwmgr *hwmgr, char *buf)
 	len = sizeof(smu7_profiling) / sizeof(struct profile_mode_setting);
 
 	for (i = 0; i < len; i++) {
+		if (i == hwmgr->power_profile_mode) {
+			size += sprintf(buf + size, "%3d %14s %s: %8d %16d %16d %16d %16d %16d\n",
+			i, profile_name[i], "*",
+			data->current_profile_setting.sclk_up_hyst,
+			data->current_profile_setting.sclk_down_hyst,
+			data->current_profile_setting.sclk_activity,
+			data->current_profile_setting.mclk_up_hyst,
+			data->current_profile_setting.mclk_down_hyst,
+			data->current_profile_setting.mclk_activity);
+			continue;
+		}
 		if (smu7_profiling[i].bupdate_sclk)
 			size += sprintf(buf + size, "%3d %16s: %8d %16d %16d ",
 			i, profile_name[i], smu7_profiling[i].sclk_up_hyst,
@@ -4883,24 +4895,6 @@ static int smu7_get_power_profile_mode(struct pp_hwmgr *hwmgr, char *buf)
 			"-", "-", "-");
 	}
 
-	size += sprintf(buf + size, "%3d %16s: %8d %16d %16d %16d %16d %16d\n",
-			i, profile_name[i],
-			data->custom_profile_setting.sclk_up_hyst,
-			data->custom_profile_setting.sclk_down_hyst,
-			data->custom_profile_setting.sclk_activity,
-			data->custom_profile_setting.mclk_up_hyst,
-			data->custom_profile_setting.mclk_down_hyst,
-			data->custom_profile_setting.mclk_activity);
-
-	size += sprintf(buf + size, "%3s %16s: %8d %16d %16d %16d %16d %16d\n",
-			"*", "CURRENT",
-			data->current_profile_setting.sclk_up_hyst,
-			data->current_profile_setting.sclk_down_hyst,
-			data->current_profile_setting.sclk_activity,
-			data->current_profile_setting.mclk_up_hyst,
-			data->current_profile_setting.mclk_down_hyst,
-			data->current_profile_setting.mclk_activity);
-
 	return size;
 }
 
@@ -4939,16 +4933,16 @@ static int smu7_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint
 		if (size < 8)
 			return -EINVAL;
 
-		data->custom_profile_setting.bupdate_sclk = input[0];
-		data->custom_profile_setting.sclk_up_hyst = input[1];
-		data->custom_profile_setting.sclk_down_hyst = input[2];
-		data->custom_profile_setting.sclk_activity = input[3];
-		data->custom_profile_setting.bupdate_mclk = input[4];
-		data->custom_profile_setting.mclk_up_hyst = input[5];
-		data->custom_profile_setting.mclk_down_hyst = input[6];
-		data->custom_profile_setting.mclk_activity = input[7];
-		if (!smum_update_dpm_settings(hwmgr, &data->custom_profile_setting)) {
-			memcpy(&data->current_profile_setting, &data->custom_profile_setting, sizeof(struct profile_mode_setting));
+		tmp.bupdate_sclk = input[0];
+		tmp.sclk_up_hyst = input[1];
+		tmp.sclk_down_hyst = input[2];
+		tmp.sclk_activity = input[3];
+		tmp.bupdate_mclk = input[4];
+		tmp.mclk_up_hyst = input[5];
+		tmp.mclk_down_hyst = input[6];
+		tmp.mclk_activity = input[7];
+		if (!smum_update_dpm_settings(hwmgr, &tmp)) {
+			memcpy(&data->current_profile_setting, &tmp, sizeof(struct profile_mode_setting));
 			hwmgr->power_profile_mode = mode;
 		}
 		break;

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.h

@@ -325,7 +325,6 @@ struct smu7_hwmgr {
 	uint16_t                              mem_latency_high;
 	uint16_t                              mem_latency_low;
 	uint32_t                              vr_config;
-	struct profile_mode_setting           custom_profile_setting;
 	struct profile_mode_setting           current_profile_setting;
 };
 

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c

@@ -852,12 +852,10 @@ int smu7_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
 {
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 
-	n = (n & 0xff) << 8;
-
 	if (data->power_containment_features &
 			POWERCONTAINMENT_FEATURE_PkgPwrLimit)
 		return smum_send_msg_to_smc_with_parameter(hwmgr,
-				PPSMC_MSG_PkgPwrSetLimit, n);
+				PPSMC_MSG_PkgPwrSetLimit, n<<8);
 	return 0;
 }
 

drivers/gpu/drm/bridge/Kconfig

@@ -74,6 +74,7 @@ config DRM_SIL_SII8620
 	tristate "Silicon Image SII8620 HDMI/MHL bridge"
 	depends on OF && RC_CORE
 	select DRM_KMS_HELPER
+	imply EXTCON
 	help
 	  Silicon Image SII8620 HDMI/MHL bridge chip driver.
 

drivers/gpu/drm/drm_atomic.c

@@ -155,6 +155,8 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
 						       state->connectors[i].state);
 		state->connectors[i].ptr = NULL;
 		state->connectors[i].state = NULL;
+		state->connectors[i].old_state = NULL;
+		state->connectors[i].new_state = NULL;
 		drm_connector_put(connector);
 	}
 
@@ -169,6 +171,8 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
 
 		state->crtcs[i].ptr = NULL;
 		state->crtcs[i].state = NULL;
+		state->crtcs[i].old_state = NULL;
+		state->crtcs[i].new_state = NULL;
 	}
 
 	for (i = 0; i < config->num_total_plane; i++) {
@@ -181,6 +185,8 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
 						   state->planes[i].state);
 		state->planes[i].ptr = NULL;
 		state->planes[i].state = NULL;
+		state->planes[i].old_state = NULL;
+		state->planes[i].new_state = NULL;
 	}
 
 	for (i = 0; i < state->num_private_objs; i++) {
@@ -190,6 +196,8 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
 						 state->private_objs[i].state);
 		state->private_objs[i].ptr = NULL;
 		state->private_objs[i].state = NULL;
+		state->private_objs[i].old_state = NULL;
+		state->private_objs[i].new_state = NULL;
 	}
 	state->num_private_objs = 0;
 

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -954,8 +954,6 @@ static int hdmi_create_connector(struct drm_encoder *encoder)
 	drm_mode_connector_attach_encoder(connector, encoder);
 
 	if (hdata->bridge) {
-		encoder->bridge = hdata->bridge;
-		hdata->bridge->encoder = encoder;
 		ret = drm_bridge_attach(encoder, hdata->bridge, NULL);
 		if (ret)
 			DRM_ERROR("Failed to attach bridge\n");

drivers/gpu/drm/exynos/exynos_mixer.c

@@ -473,7 +473,7 @@ static void vp_video_buffer(struct mixer_context *ctx,
 			chroma_addr[1] = chroma_addr[0] + 0x40;
 		} else {
 			luma_addr[1] = luma_addr[0] + fb->pitches[0];
-			chroma_addr[1] = chroma_addr[0] + fb->pitches[0];
+			chroma_addr[1] = chroma_addr[0] + fb->pitches[1];
 		}
 	} else {
 		luma_addr[1] = 0;
@@ -482,6 +482,7 @@ static void vp_video_buffer(struct mixer_context *ctx,
 
 	spin_lock_irqsave(&ctx->reg_slock, flags);
 
+	vp_reg_write(ctx, VP_SHADOW_UPDATE, 1);
 	/* interlace or progressive scan mode */
 	val = (test_bit(MXR_BIT_INTERLACE, &ctx->flags) ? ~0 : 0);
 	vp_reg_writemask(ctx, VP_MODE, val, VP_MODE_LINE_SKIP);
@@ -495,21 +496,23 @@ static void vp_video_buffer(struct mixer_context *ctx,
 	vp_reg_write(ctx, VP_IMG_SIZE_Y, VP_IMG_HSIZE(fb->pitches[0]) |
 		VP_IMG_VSIZE(fb->height));
 	/* chroma plane for NV12/NV21 is half the height of the luma plane */
-	vp_reg_write(ctx, VP_IMG_SIZE_C, VP_IMG_HSIZE(fb->pitches[0]) |
+	vp_reg_write(ctx, VP_IMG_SIZE_C, VP_IMG_HSIZE(fb->pitches[1]) |
 		VP_IMG_VSIZE(fb->height / 2));
 
 	vp_reg_write(ctx, VP_SRC_WIDTH, state->src.w);
-	vp_reg_write(ctx, VP_SRC_HEIGHT, state->src.h);
 	vp_reg_write(ctx, VP_SRC_H_POSITION,
 			VP_SRC_H_POSITION_VAL(state->src.x));
-	vp_reg_write(ctx, VP_SRC_V_POSITION, state->src.y);
-
 	vp_reg_write(ctx, VP_DST_WIDTH, state->crtc.w);
 	vp_reg_write(ctx, VP_DST_H_POSITION, state->crtc.x);
+
 	if (test_bit(MXR_BIT_INTERLACE, &ctx->flags)) {
+		vp_reg_write(ctx, VP_SRC_HEIGHT, state->src.h / 2);
+		vp_reg_write(ctx, VP_SRC_V_POSITION, state->src.y / 2);
 		vp_reg_write(ctx, VP_DST_HEIGHT, state->crtc.h / 2);
 		vp_reg_write(ctx, VP_DST_V_POSITION, state->crtc.y / 2);
 	} else {
+		vp_reg_write(ctx, VP_SRC_HEIGHT, state->src.h);
+		vp_reg_write(ctx, VP_SRC_V_POSITION, state->src.y);
 		vp_reg_write(ctx, VP_DST_HEIGHT, state->crtc.h);
 		vp_reg_write(ctx, VP_DST_V_POSITION, state->crtc.y);
 	}
@@ -699,6 +702,15 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg)
 
 		/* interlace scan need to check shadow register */
 		if (test_bit(MXR_BIT_INTERLACE, &ctx->flags)) {
+			if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags) &&
+			    vp_reg_read(ctx, VP_SHADOW_UPDATE))
+				goto out;
+
+			base = mixer_reg_read(ctx, MXR_CFG);
+			shadow = mixer_reg_read(ctx, MXR_CFG_S);
+			if (base != shadow)
+				goto out;
+
 			base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(0));
 			shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(0));
 			if (base != shadow)

drivers/gpu/drm/exynos/regs-mixer.h

@@ -47,6 +47,7 @@
 #define MXR_MO				0x0304
 #define MXR_RESOLUTION			0x0310
 
+#define MXR_CFG_S			0x2004
 #define MXR_GRAPHIC0_BASE_S		0x2024
 #define MXR_GRAPHIC1_BASE_S		0x2044
 

drivers/gpu/drm/i915/intel_cdclk.c

@@ -2302,9 +2302,44 @@ static int bdw_modeset_calc_cdclk(struct drm_atomic_state *state)
 	return 0;
 }
 
+static int skl_dpll0_vco(struct intel_atomic_state *intel_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(intel_state->base.dev);
+	struct intel_crtc *crtc;
+	struct intel_crtc_state *crtc_state;
+	int vco, i;
+
+	vco = intel_state->cdclk.logical.vco;
+	if (!vco)
+		vco = dev_priv->skl_preferred_vco_freq;
+
+	for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) {
+		if (!crtc_state->base.enable)
+			continue;
+
+		if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
+			continue;
+
+		/*
+		 * DPLL0 VCO may need to be adjusted to get the correct
+		 * clock for eDP. This will affect cdclk as well.
+		 */
+		switch (crtc_state->port_clock / 2) {
+		case 108000:
+		case 216000:
+			vco = 8640000;
+			break;
+		default:
+			vco = 8100000;
+			break;
+		}
+	}
+
+	return vco;
+}
+
 static int skl_modeset_calc_cdclk(struct drm_atomic_state *state)
 {
-	struct drm_i915_private *dev_priv = to_i915(state->dev);
 	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
 	int min_cdclk, cdclk, vco;
 
@@ -2312,9 +2347,7 @@ static int skl_modeset_calc_cdclk(struct drm_atomic_state *state)
 	if (min_cdclk < 0)
 		return min_cdclk;
 
-	vco = intel_state->cdclk.logical.vco;
-	if (!vco)
-		vco = dev_priv->skl_preferred_vco_freq;
+	vco = skl_dpll0_vco(intel_state);
 
 	/*
 	 * FIXME should also account for plane ratio

drivers/gpu/drm/i915/intel_display.c

@@ -15178,6 +15178,8 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
 		memset(&crtc->base.mode, 0, sizeof(crtc->base.mode));
 		if (crtc_state->base.active) {
 			intel_mode_from_pipe_config(&crtc->base.mode, crtc_state);
+			crtc->base.mode.hdisplay = crtc_state->pipe_src_w;
+			crtc->base.mode.vdisplay = crtc_state->pipe_src_h;
 			intel_mode_from_pipe_config(&crtc_state->base.adjusted_mode, crtc_state);
 			WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode));
 

drivers/gpu/drm/i915/intel_dp.c

@@ -1881,26 +1881,6 @@ found:
 				reduce_m_n);
 	}
 
-	/*
-	 * DPLL0 VCO may need to be adjusted to get the correct
-	 * clock for eDP. This will affect cdclk as well.
-	 */
-	if (intel_dp_is_edp(intel_dp) && IS_GEN9_BC(dev_priv)) {
-		int vco;
-
-		switch (pipe_config->port_clock / 2) {
-		case 108000:
-		case 216000:
-			vco = 8640000;
-			break;
-		default:
-			vco = 8100000;
-			break;
-		}
-
-		to_intel_atomic_state(pipe_config->base.state)->cdclk.logical.vco = vco;
-	}
-
 	if (!HAS_DDI(dev_priv))
 		intel_dp_set_clock(encoder, pipe_config);
 

drivers/gpu/drm/i915/intel_lvds.c

@@ -326,7 +326,8 @@ static void intel_enable_lvds(struct intel_encoder *encoder,
 
 	I915_WRITE(PP_CONTROL(0), I915_READ(PP_CONTROL(0)) | PANEL_POWER_ON);
 	POSTING_READ(lvds_encoder->reg);
-	if (intel_wait_for_register(dev_priv, PP_STATUS(0), PP_ON, PP_ON, 1000))
+
+	if (intel_wait_for_register(dev_priv, PP_STATUS(0), PP_ON, PP_ON, 5000))
 		DRM_ERROR("timed out waiting for panel to power on\n");
 
 	intel_panel_enable_backlight(pipe_config, conn_state);

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -214,7 +214,6 @@ nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
 	INIT_LIST_HEAD(&nvbo->entry);
 	INIT_LIST_HEAD(&nvbo->vma_list);
 	nvbo->bo.bdev = &drm->ttm.bdev;
-	nvbo->cli = cli;
 
 	/* This is confusing, and doesn't actually mean we want an uncached
 	 * mapping, but is what NOUVEAU_GEM_DOMAIN_COHERENT gets translated

drivers/gpu/drm/nouveau/nouveau_bo.h

@@ -26,8 +26,6 @@ struct nouveau_bo {
 
 	struct list_head vma_list;
 
-	struct nouveau_cli *cli;
-
 	unsigned contig:1;
 	unsigned page:5;
 	unsigned kind:8;

drivers/gpu/drm/nouveau/nouveau_ttm.c

@@ -63,7 +63,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
 			 struct ttm_mem_reg *reg)
 {
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
-	struct nouveau_drm *drm = nvbo->cli->drm;
+	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
 	struct nouveau_mem *mem;
 	int ret;
 
@@ -103,7 +103,7 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
 			 struct ttm_mem_reg *reg)
 {
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
-	struct nouveau_drm *drm = nvbo->cli->drm;
+	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
 	struct nouveau_mem *mem;
 	int ret;
 
@@ -131,7 +131,7 @@ nv04_gart_manager_new(struct ttm_mem_type_manager *man,
 		      struct ttm_mem_reg *reg)
 {
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
-	struct nouveau_drm *drm = nvbo->cli->drm;
+	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
 	struct nouveau_mem *mem;
 	int ret;
 

drivers/gpu/drm/nouveau/nv50_display.c

@@ -3264,10 +3264,11 @@ nv50_mstm_destroy_connector(struct drm_dp_mst_topology_mgr *mgr,
 
 	drm_connector_unregister(&mstc->connector);
 
-	drm_modeset_lock_all(drm->dev);
 	drm_fb_helper_remove_one_connector(&drm->fbcon->helper, &mstc->connector);
+
+	drm_modeset_lock(&drm->dev->mode_config.connection_mutex, NULL);
 	mstc->port = NULL;
-	drm_modeset_unlock_all(drm->dev);
+	drm_modeset_unlock(&drm->dev->mode_config.connection_mutex);
 
 	drm_connector_unreference(&mstc->connector);
 }
@@ -3277,9 +3278,7 @@ nv50_mstm_register_connector(struct drm_connector *connector)
 {
 	struct nouveau_drm *drm = nouveau_drm(connector->dev);
 
-	drm_modeset_lock_all(drm->dev);
 	drm_fb_helper_add_one_connector(&drm->fbcon->helper, connector);
-	drm_modeset_unlock_all(drm->dev);
 
 	drm_connector_register(connector);
 }

drivers/gpu/drm/omapdrm/dss/dispc.c

@@ -828,6 +828,12 @@ static void dispc_ovl_set_scale_coef(struct dispc_device *dispc,
 	h_coef = dispc_ovl_get_scale_coef(fir_hinc, true);
 	v_coef = dispc_ovl_get_scale_coef(fir_vinc, five_taps);
 
+	if (!h_coef || !v_coef) {
+		dev_err(&dispc->pdev->dev, "%s: failed to find scale coefs\n",
+			__func__);
+		return;
+	}
+
 	for (i = 0; i < 8; i++) {
 		u32 h, hv;
 
@@ -2342,7 +2348,7 @@ static int dispc_ovl_calc_scaling_24xx(struct dispc_device *dispc,
 	}
 
 	if (in_width > maxsinglelinewidth) {
-		DSSERR("Cannot scale max input width exceeded");
+		DSSERR("Cannot scale max input width exceeded\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -2424,13 +2430,13 @@ again:
 	}
 
 	if (in_width > (maxsinglelinewidth * 2)) {
-		DSSERR("Cannot setup scaling");
-		DSSERR("width exceeds maximum width possible");
+		DSSERR("Cannot setup scaling\n");
+		DSSERR("width exceeds maximum width possible\n");
 		return -EINVAL;
 	}
 
 	if (in_width > maxsinglelinewidth && *five_taps) {
-		DSSERR("cannot setup scaling with five taps");
+		DSSERR("cannot setup scaling with five taps\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -2472,7 +2478,7 @@ static int dispc_ovl_calc_scaling_44xx(struct dispc_device *dispc,
 			in_width > maxsinglelinewidth && ++*decim_x);
 
 	if (in_width > maxsinglelinewidth) {
-		DSSERR("Cannot scale width exceeds max line width");
+		DSSERR("Cannot scale width exceeds max line width\n");
 		return -EINVAL;
 	}
 
@@ -2490,7 +2496,7 @@ static int dispc_ovl_calc_scaling_44xx(struct dispc_device *dispc,
 		 * bandwidth. Despite what theory says this appears to
 		 * be true also for 16-bit color formats.
 		 */
-		DSSERR("Not enough bandwidth, too much downscaling (x-decimation factor %d > 4)", *decim_x);
+		DSSERR("Not enough bandwidth, too much downscaling (x-decimation factor %d > 4)\n", *decim_x);
 
 		return -EINVAL;
 	}
@@ -4633,7 +4639,7 @@ static int dispc_errata_i734_wa_init(struct dispc_device *dispc)
 						i734_buf.size, &i734_buf.paddr,
 						GFP_KERNEL);
 	if (!i734_buf.vaddr) {
-		dev_err(&dispc->pdev->dev, "%s: dma_alloc_writecombine failed",
+		dev_err(&dispc->pdev->dev, "%s: dma_alloc_writecombine failed\n",
 			__func__);
 		return -ENOMEM;
 	}

drivers/gpu/drm/omapdrm/dss/hdmi4.c

@@ -679,7 +679,7 @@ static int hdmi_audio_config(struct device *dev,
 			     struct omap_dss_audio *dss_audio)
 {
 	struct omap_hdmi *hd = dev_get_drvdata(dev);
-	int ret;
+	int ret = 0;
 
 	mutex_lock(&hd->lock);