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Merge branch 'drm-intel-next' of arrandale:git/linux-2.6 into drm-intel-next

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This commit is contained in:
Chris Wilson 2010-11-22 08:56:33 +00:00
commit a940a75a9a
469 changed files with 3254 additions and 1911 deletions
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6
Documentation/DocBook/uio-howto.tmpl
View File

@ -16,7 +16,7 @@
</orgname>
<address>
<email>hjk@linutronix.de</email>
<email>hjk@hansjkoch.de</email>
</address>
</affiliation>
</author>
@ -114,7 +114,7 @@ GPL version 2.
<para>If you know of any translations for this document, or you are
interested in translating it, please email me
<email>hjk@linutronix.de</email>.
<email>hjk@hansjkoch.de</email>.
</para>
</sect1>
@ -171,7 +171,7 @@ interested in translating it, please email me
<title>Feedback</title>
<para>Find something wrong with this document? (Or perhaps something
right?) I would love to hear from you. Please email me at
<email>hjk@linutronix.de</email>.</para>
<email>hjk@hansjkoch.de</email>.</para>
</sect1>
</chapter>

7
Documentation/arm/OMAP/DSS
View File

@ -255,9 +255,10 @@ framebuffer parameters.
Kernel boot arguments
---------------------
vram=<size>
- Amount of total VRAM to preallocate. For example, "10M". omapfb
allocates memory for framebuffers from VRAM.
vram=<size>[,<physaddr>]
- Amount of total VRAM to preallocate and optionally a physical start
memory address. For example, "10M". omapfb allocates memory for
framebuffers from VRAM.
omapfb.mode=<display>:<mode>[,...]
- Default video mode for specified displays. For example,

31
Documentation/development-process/2.Process
View File

@ -154,7 +154,7 @@ The stages that a patch goes through are, generally:
inclusion, it should be accepted by a relevant subsystem maintainer -
though this acceptance is not a guarantee that the patch will make it
all the way to the mainline. The patch will show up in the maintainer's
subsystem tree and into the staging trees (described below). When the
subsystem tree and into the -next trees (described below). When the
process works, this step leads to more extensive review of the patch and
the discovery of any problems resulting from the integration of this
patch with work being done by others.
@ -236,7 +236,7 @@ finding the right maintainer. Sending patches directly to Linus is not
normally the right way to go.
2.4: STAGING TREES
2.4: NEXT TREES
The chain of subsystem trees guides the flow of patches into the kernel,
but it also raises an interesting question: what if somebody wants to look
@ -250,7 +250,7 @@ changes land in the mainline kernel. One could pull changes from all of
the interesting subsystem trees, but that would be a big and error-prone
job.
The answer comes in the form of staging trees, where subsystem trees are
The answer comes in the form of -next trees, where subsystem trees are
collected for testing and review. The older of these trees, maintained by
Andrew Morton, is called "-mm" (for memory management, which is how it got
started). The -mm tree integrates patches from a long list of subsystem
@ -275,7 +275,7 @@ directory at:
Use of the MMOTM tree is likely to be a frustrating experience, though;
there is a definite chance that it will not even compile.
The other staging tree, started more recently, is linux-next, maintained by
The other -next tree, started more recently, is linux-next, maintained by
Stephen Rothwell. The linux-next tree is, by design, a snapshot of what
the mainline is expected to look like after the next merge window closes.
Linux-next trees are announced on the linux-kernel and linux-next mailing
@ -303,12 +303,25 @@ volatility of linux-next tends to make it a difficult development target.
See http://lwn.net/Articles/289013/ for more information on this topic, and
stay tuned; much is still in flux where linux-next is involved.
Besides the mmotm and linux-next trees, the kernel source tree now contains
the drivers/staging/ directory and many sub-directories for drivers or
filesystems that are on their way to being added to the kernel tree
proper, but they remain in drivers/staging/ while they still need more
work.
2.4.1: STAGING TREES
The kernel source tree now contains the drivers/staging/ directory, where
many sub-directories for drivers or filesystems that are on their way to
being added to the kernel tree live. They remain in drivers/staging while
they still need more work; once complete, they can be moved into the
kernel proper. This is a way to keep track of drivers that aren't
up to Linux kernel coding or quality standards, but people may want to use
them and track development.
Greg Kroah-Hartman currently (as of 2.6.36) maintains the staging tree.
Drivers that still need work are sent to him, with each driver having
its own subdirectory in drivers/staging/. Along with the driver source
files, a TODO file should be present in the directory as well. The TODO
file lists the pending work that the driver needs for acceptance into
the kernel proper, as well as a list of people that should be Cc'd for any
patches to the driver. Staging drivers that don't currently build should
have their config entries depend upon CONFIG_BROKEN. Once they can
be successfully built without outside patches, CONFIG_BROKEN can be removed.
2.5: TOOLS

10
Documentation/feature-removal-schedule.txt
View File

@ -554,3 +554,13 @@ Why: This is a legacy interface which have been replaced by a more
Who: NeilBrown <neilb@suse.de>
----------------------------
What: i2c_adapter.id
When: June 2011
Why: This field is deprecated. I2C device drivers shouldn't change their
behavior based on the underlying I2C adapter. Instead, the I2C
adapter driver should instantiate the I2C devices and provide the
needed platform-specific information.
Who: Jean Delvare <khali@linux-fr.org>
----------------------------

2
Documentation/filesystems/configfs/configfs_example_explicit.c
View File

@ -89,7 +89,7 @@ static ssize_t childless_storeme_write(struct childless *childless,
char *p = (char *) page;
tmp = simple_strtoul(p, &p, 10);
if (!p || (*p && (*p != '\n')))
if ((*p != '\0') && (*p != '\n'))
return -EINVAL;
if (tmp > INT_MAX)

10
Documentation/gpio.txt
View File

@ -617,6 +617,16 @@ and have the following read/write attributes:
is configured as an output, this value may be written;
any nonzero value is treated as high.
If the pin can be configured as interrupt-generating interrupt
and if it has been configured to generate interrupts (see the
description of "edge"), you can poll(2) on that file and
poll(2) will return whenever the interrupt was triggered. If
you use poll(2), set the events POLLPRI and POLLERR. If you
use select(2), set the file descriptor in exceptfds. After
poll(2) returns, either lseek(2) to the beginning of the sysfs
file and read the new value or close the file and re-open it
to read the value.
"edge" ... reads as either "none", "rising", "falling", or
"both". Write these strings to select the signal edge(s)
that will make poll(2) on the "value" file return.

2
Documentation/hwmon/lm93
View File

@ -11,7 +11,7 @@ Authors:
Mark M. Hoffman <mhoffman@lightlink.com>
Ported to 2.6 by Eric J. Bowersox <ericb@aspsys.com>
Adapted to 2.6.20 by Carsten Emde <ce@osadl.org>
Modified for mainline integration by Hans J. Koch <hjk@linutronix.de>
Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
Module Parameters
-----------------

2
Documentation/hwmon/max6650
View File

@ -8,7 +8,7 @@ Supported chips:
Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
Authors:
Hans J. Koch <hjk@linutronix.de>
Hans J. Koch <hjk@hansjkoch.de>
John Morris <john.morris@spirentcom.com>
Claus Gindhart <claus.gindhart@kontron.com>

3
Documentation/power/opp.txt
View File

@ -37,6 +37,9 @@ Typical usage of the OPP library is as follows:
SoC framework -> modifies on required cases certain OPPs -> OPP layer
-> queries to search/retrieve information ->
Architectures that provide a SoC framework for OPP should select ARCH_HAS_OPP
to make the OPP layer available.
OPP layer expects each domain to be represented by a unique device pointer. SoC
framework registers a set of initial OPPs per device with the OPP layer. This
list is expected to be an optimally small number typically around 5 per device.

14
MAINTAINERS
View File

@ -945,7 +945,7 @@ M: Magnus Damm <magnus.damm@gmail.com>
L: linux-sh@vger.kernel.org
W: http://oss.renesas.com
Q: http://patchwork.kernel.org/project/linux-sh/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/genesis-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git rmobile-latest
S: Supported
F: arch/arm/mach-shmobile/
F: drivers/sh/
@ -1829,6 +1829,13 @@ W: http://www.chelsio.com
S: Supported
F: drivers/net/cxgb4vf/
STMMAC ETHERNET DRIVER
M: Giuseppe Cavallaro <peppe.cavallaro@st.com>
L: netdev@vger.kernel.org
W: http://www.stlinux.com
S: Supported
F: drivers/net/stmmac/
CYBERPRO FB DRIVER
M: Russell King <linux@arm.linux.org.uk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@ -2008,6 +2015,7 @@ F: drivers/hwmon/dme1737.c
DOCBOOK FOR DOCUMENTATION
M: Randy Dunlap <rdunlap@xenotime.net>
S: Maintained
F: scripts/kernel-doc
DOCKING STATION DRIVER
M: Shaohua Li <shaohua.li@intel.com>
@ -2018,6 +2026,7 @@ F: drivers/acpi/dock.c
DOCUMENTATION
M: Randy Dunlap <rdunlap@xenotime.net>
L: linux-doc@vger.kernel.org
T: quilt oss.oracle.com/~rdunlap/kernel-doc-patches/current/
S: Maintained
F: Documentation/
@ -2435,6 +2444,7 @@ F: drivers/net/wan/sdla.c
FRAMEBUFFER LAYER
L: linux-fbdev@vger.kernel.org
W: http://linux-fbdev.sourceforge.net/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6.git
S: Orphan
F: Documentation/fb/
F: drivers/video/fb*
@ -5705,7 +5715,7 @@ M: Paul Mundt <lethal@linux-sh.org>
L: linux-sh@vger.kernel.org
W: http://www.linux-sh.org
Q: http://patchwork.kernel.org/project/linux-sh/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git sh-latest
S: Supported
F: Documentation/sh/
F: arch/sh/

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 37
EXTRAVERSION = -rc1
EXTRAVERSION = -rc3
NAME = Flesh-Eating Bats with Fangs
# *DOCUMENTATION*

32
arch/arm/Kconfig
View File

@ -646,7 +646,7 @@ config ARCH_S3C2410
select ARCH_HAS_CPUFREQ
select HAVE_CLK
select ARCH_USES_GETTIMEOFFSET
select HAVE_S3C2410_I2C
select HAVE_S3C2410_I2C if I2C
help
Samsung S3C2410X CPU based systems, such as the Simtec Electronics
BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
@ -676,8 +676,8 @@ config ARCH_S3C64XX
select S3C_DEV_NAND
select USB_ARCH_HAS_OHCI
select SAMSUNG_GPIOLIB_4BIT
select HAVE_S3C2410_I2C
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S3C64XX series based systems
@ -686,10 +686,10 @@ config ARCH_S5P64X0
select CPU_V6
select GENERIC_GPIO
select HAVE_CLK
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select ARCH_USES_GETTIMEOFFSET
select HAVE_S3C2410_I2C
select HAVE_S3C_RTC
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
help
Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
SMDK6450.
@ -700,7 +700,7 @@ config ARCH_S5P6442
select GENERIC_GPIO
select HAVE_CLK
select ARCH_USES_GETTIMEOFFSET
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S5P6442 CPU based systems
@ -711,9 +711,9 @@ config ARCH_S5PC100
select CPU_V7
select ARM_L1_CACHE_SHIFT_6
select ARCH_USES_GETTIMEOFFSET
select HAVE_S3C2410_I2C
select HAVE_S3C_RTC
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S5PC100 series based systems
@ -726,9 +726,9 @@ config ARCH_S5PV210
select ARM_L1_CACHE_SHIFT_6
select ARCH_HAS_CPUFREQ
select ARCH_USES_GETTIMEOFFSET
select HAVE_S3C2410_I2C
select HAVE_S3C_RTC
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S5PV210/S5PC110 series based systems
@ -739,9 +739,9 @@ config ARCH_S5PV310
select GENERIC_GPIO
select HAVE_CLK
select GENERIC_CLOCKEVENTS
select HAVE_S3C_RTC
select HAVE_S3C2410_I2C
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
help
Samsung S5PV310 series based systems

5
arch/arm/mach-omap1/devices.c
View File

@ -321,10 +321,9 @@ static struct platform_device omap_wdt_device = {
static int __init omap_init_wdt(void)
{
if (!cpu_is_omap16xx())
return;
return -ENODEV;
platform_device_register(&omap_wdt_device);
return 0;
return platform_device_register(&omap_wdt_device);
}
subsys_initcall(omap_init_wdt);
#endif

2
arch/arm/mach-omap1/include/mach/camera.h
View File

@ -1,6 +1,8 @@
#ifndef __ASM_ARCH_CAMERA_H_
#define __ASM_ARCH_CAMERA_H_
#include <media/omap1_camera.h>
void omap1_camera_init(void *);
static inline void omap1_set_camera_info(struct omap1_cam_platform_data *info)

3
arch/arm/mach-omap2/board-devkit8000.c
View File

@ -242,9 +242,6 @@ static int devkit8000_twl_gpio_setup(struct device *dev,
mmc[0].gpio_cd = gpio + 0;
omap2_hsmmc_init(mmc);
/* link regulators to MMC adapters */
devkit8000_vmmc1_supply.dev = mmc[0].dev;
/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

2
arch/arm/mach-s3c64xx/Kconfig
View File

@ -143,7 +143,7 @@ config MACH_SMDK6410
select S3C_DEV_USB_HSOTG
select S3C_DEV_WDT
select SAMSUNG_DEV_KEYPAD
select HAVE_S3C2410_WATCHDOG
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_I2C1
select S3C64XX_SETUP_IDE

6
arch/arm/mach-shmobile/board-ap4evb.c
View File

@ -163,11 +163,13 @@ static struct mtd_partition nor_flash_partitions[] = {
.name = "loader",
.offset = 0x00000000,
.size = 512 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "bootenv",
.offset = MTDPART_OFS_APPEND,
.size = 512 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel_ro",
@ -581,6 +583,10 @@ static int fsi_set_rate(int is_porta, int rate)
return -EINVAL;
switch (rate) {
case 44100:
clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 11283000));
ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
break;
case 48000:
clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000));
clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000));

2
arch/arm/mach-shmobile/intc-sh7372.c
View File

@ -98,7 +98,7 @@ static struct intc_vect intca_vectors[] __initdata = {
INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0),
INTC_VECT(IRQ16A, 0x3200), INTC_VECT(IRQ17A, 0x3220),
INTC_VECT(IRQ18A, 0x3240), INTC_VECT(IRQ19A, 0x3260),
INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ31A, 0x32a0),
INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ21A, 0x32a0),
INTC_VECT(IRQ22A, 0x32c0), INTC_VECT(IRQ23A, 0x32e0),
INTC_VECT(IRQ24A, 0x3300), INTC_VECT(IRQ25A, 0x3320),
INTC_VECT(IRQ26A, 0x3340), INTC_VECT(IRQ27A, 0x3360),

2
arch/arm/plat-omap/dma.c
View File

@ -1983,6 +1983,8 @@ static int omap2_dma_handle_ch(int ch)
dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(ch));
dma_write(1 << ch, IRQSTATUS_L0);
/* read back the register to flush the write */
dma_read(IRQSTATUS_L0);
/* If the ch is not chained then chain_id will be -1 */
if (dma_chan[ch].chain_id != -1) {

1
arch/blackfin/kernel/process.c
View File

@ -7,7 +7,6 @@
*/
#include <linux/module.h>
#include <linux/smp_lock.h>
#include <linux/unistd.h>
#include <linux/user.h>
#include <linux/uaccess.h>

1
arch/frv/kernel/process.c
View File

@ -16,7 +16,6 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>

1
arch/h8300/kernel/process.c
View File

@ -28,7 +28,6 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>

4
arch/ia64/hp/sim/simscsi.c
View File

@ -202,7 +202,7 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
}
static int
simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
simscsi_queuecommand_lck (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
{
unsigned int target_id = sc->device->id;
char fname[MAX_ROOT_LEN+16];
@ -326,6 +326,8 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
return 0;
}
static DEF_SCSI_QCMD(simscsi_queuecommand)
static int
simscsi_host_reset (struct scsi_cmnd *sc)
{

1
arch/m68k/kernel/process.c
View File

@ -18,7 +18,6 @@
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>

1
arch/m68knommu/kernel/process.c
View File

@ -19,7 +19,6 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>

1
arch/mn10300/kernel/process.c
View File

@ -14,7 +14,6 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>

1
arch/parisc/hpux/sys_hpux.c
View File

@ -28,7 +28,6 @@
#include <linux/namei.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/utsname.h>
#include <linux/vfs.h>

1
arch/parisc/kernel/sys_parisc32.c
View File

@ -20,7 +20,6 @@
#include <linux/times.h>
#include <linux/time.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>

4
arch/powerpc/Kconfig
View File

@ -4,6 +4,10 @@ config PPC32
bool
default y if !PPC64
config 32BIT
bool
default y if PPC32
config 64BIT
bool
default y if PPC64

3
arch/powerpc/boot/div64.S
View File

@ -33,9 +33,10 @@ __div64_32:
cntlzw r0,r5 # we are shifting the dividend right
li r10,-1 # to make it < 2^32, and shifting
srw r10,r10,r0 # the divisor right the same amount,
add r9,r4,r10 # rounding up (so the estimate cannot
addc r9,r4,r10 # rounding up (so the estimate cannot
andc r11,r6,r10 # ever be too large, only too small)
andc r9,r9,r10
addze r9,r9
or r11,r5,r11
rotlw r9,r9,r0
rotlw r11,r11,r0

4
arch/powerpc/kernel/kgdb.c
View File

@ -337,7 +337,7 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
/* FP registers 32 -> 63 */
#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE)
if (current)
memcpy(mem, current->thread.evr[regno-32],
memcpy(mem, &current->thread.evr[regno-32],
dbg_reg_def[regno].size);
#else
/* fp registers not used by kernel, leave zero */
@ -362,7 +362,7 @@ int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
if (regno >= 32 && regno < 64) {
/* FP registers 32 -> 63 */
#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE)
memcpy(current->thread.evr[regno-32], mem,
memcpy(&current->thread.evr[regno-32], mem,
dbg_reg_def[regno].size);
#else
/* fp registers not used by kernel, leave zero */

5
arch/powerpc/kernel/setup_64.c
View File

@ -497,9 +497,8 @@ static void __init emergency_stack_init(void)
}
/*
* Called into from start_kernel, after lock_kernel has been called.
* Initializes bootmem, which is unsed to manage page allocation until
* mem_init is called.
* Called into from start_kernel this initializes bootmem, which is used
* to manage page allocation until mem_init is called.
*/
void __init setup_arch(char **cmdline_p)
{

1
arch/powerpc/kernel/sys_ppc32.c
View File

@ -23,7 +23,6 @@
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>

2
arch/powerpc/mm/hash_utils_64.c
View File

@ -1123,7 +1123,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
else
#endif /* CONFIG_PPC_HAS_HASH_64K */
rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize,
subpage_protection(pgdir, ea));
subpage_protection(mm, ea));
/* Dump some info in case of hash insertion failure, they should
* never happen so it is really useful to know if/when they do

5
arch/powerpc/mm/tlb_low_64e.S
View File

@ -138,8 +138,11 @@
cmpldi cr0,r15,0 /* Check for user region */
std r14,EX_TLB_ESR(r12) /* write crazy -1 to frame */
beq normal_tlb_miss
li r11,_PAGE_PRESENT|_PAGE_BAP_SX /* Base perm */
oris r11,r11,_PAGE_ACCESSED@h
/* XXX replace the RMW cycles with immediate loads + writes */
1: mfspr r10,SPRN_MAS1
mfspr r10,SPRN_MAS1
cmpldi cr0,r15,8 /* Check for vmalloc region */
rlwinm r10,r10,0,16,1 /* Clear TID */
mtspr SPRN_MAS1,r10

2
arch/powerpc/mm/tlb_nohash.c
View File

@ -585,6 +585,6 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
ppc64_rma_size = min_t(u64, first_memblock_size, 0x40000000);
/* Finally limit subsequent allocations */
memblock_set_current_limit(ppc64_memblock_base + ppc64_rma_size);
memblock_set_current_limit(first_memblock_base + ppc64_rma_size);
}
#endif /* CONFIG_PPC64 */

6
arch/powerpc/platforms/pseries/Kconfig
View File

@ -47,6 +47,12 @@ config LPARCFG
config PPC_PSERIES_DEBUG
depends on PPC_PSERIES && PPC_EARLY_DEBUG
bool "Enable extra debug logging in platforms/pseries"
help
Say Y here if you want the pseries core to produce a bunch of
debug messages to the system log. Select this if you are having a
problem with the pseries core and want to see more of what is
going on. This does not enable debugging in lpar.c, which must
be manually done due to its verbosity.
default y
config PPC_SMLPAR

2
arch/powerpc/platforms/pseries/eeh.c
View File

@ -21,8 +21,6 @@
* Please address comments and feedback to Linas Vepstas <linas@austin.ibm.com>
*/
#undef DEBUG
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/list.h>

2
arch/powerpc/platforms/pseries/pci_dlpar.c
View File

@ -25,8 +25,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#undef DEBUG
#include <linux/pci.h>
#include <asm/pci-bridge.h>
#include <asm/ppc-pci.h>

12
arch/s390/Kconfig.debug
View File

@ -6,6 +6,18 @@ config TRACE_IRQFLAGS_SUPPORT
source "lib/Kconfig.debug"
config STRICT_DEVMEM
def_bool y
prompt "Filter access to /dev/mem"
---help---
This option restricts access to /dev/mem. If this option is
disabled, you allow userspace access to all memory, including
kernel and userspace memory. Accidental memory access is likely
to be disastrous.
Memory access is required for experts who want to debug the kernel.
If you are unsure, say Y.
config DEBUG_STRICT_USER_COPY_CHECKS
bool "Strict user copy size checks"
---help---

5
arch/s390/include/asm/page.h
View File

@ -130,6 +130,11 @@ struct page;
void arch_free_page(struct page *page, int order);
void arch_alloc_page(struct page *page, int order);
static inline int devmem_is_allowed(unsigned long pfn)
{
return 0;
}
#define HAVE_ARCH_FREE_PAGE
#define HAVE_ARCH_ALLOC_PAGE

1
arch/s390/kernel/compat_linux.c
View File

@ -25,7 +25,6 @@
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>

70
arch/s390/kernel/kprobes.c
View File

@ -30,6 +30,7 @@
#include <asm/sections.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/hardirq.h>
DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
@ -212,7 +213,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
/* Set the PER control regs, turns on single step for this address */
__ctl_load(kprobe_per_regs, 9, 11);
regs->psw.mask |= PSW_MASK_PER;
regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK);
regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT);
}
static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
@ -239,7 +240,7 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
__get_cpu_var(current_kprobe) = p;
/* Save the interrupt and per flags */
kcb->kprobe_saved_imask = regs->psw.mask &
(PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK);
(PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT);
/* Save the control regs that govern PER */
__ctl_store(kcb->kprobe_saved_ctl, 9, 11);
}
@ -316,8 +317,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
return 1;
ss_probe:
if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
local_irq_disable();
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_HIT_SS;
return 1;
@ -350,6 +349,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
struct hlist_node *node, *tmp;
unsigned long flags, orig_ret_address = 0;
unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
kprobe_opcode_t *correct_ret_addr = NULL;
INIT_HLIST_HEAD(&empty_rp);
kretprobe_hash_lock(current, &head, &flags);
@ -372,10 +372,32 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
/* another task is sharing our hash bucket */
continue;
if (ri->rp && ri->rp->handler)
ri->rp->handler(ri, regs);
orig_ret_address = (unsigned long)ri->ret_addr;
if (orig_ret_address != trampoline_address)
/*
* This is the real return address. Any other
* instances associated with this task are for
* other calls deeper on the call stack
*/
break;
}
kretprobe_assert(ri, orig_ret_address, trampoline_address);
correct_ret_addr = ri->ret_addr;
hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
if (ri->task != current)
/* another task is sharing our hash bucket */
continue;
orig_ret_address = (unsigned long)ri->ret_addr;
if (ri->rp && ri->rp->handler) {
ri->ret_addr = correct_ret_addr;
ri->rp->handler(ri, regs);
}
recycle_rp_inst(ri, &empty_rp);
if (orig_ret_address != trampoline_address) {
@ -387,7 +409,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
break;
}
}
kretprobe_assert(ri, orig_ret_address, trampoline_address);
regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE;
reset_current_kprobe();
@ -465,8 +487,6 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs)
goto out;
}
reset_current_kprobe();
if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
local_irq_enable();
out:
preempt_enable_no_resched();
@ -482,7 +502,7 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs)
return 1;
}
int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
static int __kprobes kprobe_trap_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@ -508,8 +528,6 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
restore_previous_kprobe(kcb);
else {
reset_current_kprobe();
if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
local_irq_enable();
}
preempt_enable_no_resched();
break;
@ -553,6 +571,18 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
return 0;
}
int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
int ret;
if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
local_irq_disable();
ret = kprobe_trap_handler(regs, trapnr);
if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
local_irq_restore(regs->psw.mask & ~PSW_MASK_PER);
return ret;
}
/*
* Wrapper routine to for handling exceptions.
*/
@ -560,8 +590,12 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data)
{
struct die_args *args = (struct die_args *)data;
struct pt_regs *regs = args->regs;
int ret = NOTIFY_DONE;
if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
local_irq_disable();
switch (val) {
case DIE_BPT:
if (kprobe_handler(args->regs))
@ -572,16 +606,17 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
ret = NOTIFY_STOP;
break;
case DIE_TRAP:
/* kprobe_running() needs smp_processor_id() */
preempt_disable();
if (kprobe_running() &&
kprobe_fault_handler(args->regs, args->trapnr))
if (!preemptible() && kprobe_running() &&
kprobe_trap_handler(args->regs, args->trapnr))
ret = NOTIFY_STOP;
preempt_enable();
break;
default:
break;
}
if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
local_irq_restore(regs->psw.mask & ~PSW_MASK_PER);
return ret;
}
@ -595,6 +630,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
/* setup return addr to the jprobe handler routine */
regs->psw.addr = (unsigned long)(jp->entry) | PSW_ADDR_AMODE;
regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT);
/* r14 is the function return address */
kcb->jprobe_saved_r14 = (unsigned long)regs->gprs[14];

7
arch/s390/mm/gup.c
View File

@ -20,18 +20,17 @@
static inline int gup_pte_range(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
unsigned long end, int write, struct page **pages, int *nr)
{
unsigned long mask, result;
unsigned long mask;
pte_t *ptep, pte;
struct page *page;
result = write ? 0 : _PAGE_RO;
mask = result | _PAGE_INVALID | _PAGE_SPECIAL;
mask = (write ? _PAGE_RO : 0) | _PAGE_INVALID | _PAGE_SPECIAL;
ptep = ((pte_t *) pmd_deref(pmd)) + pte_index(addr);
do {
pte = *ptep;
barrier();
if ((pte_val(pte) & mask) != result)
if ((pte_val(pte) & mask) != 0)
return 0;
VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
page = pte_page(pte);

1
arch/sparc/kernel/leon_smp.c
View File

@ -12,7 +12,6 @@
#include <linux/sched.h>
#include <linux/threads.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/init.h>

1
arch/sparc/kernel/sys_sparc32.c
View File

@ -17,7 +17,6 @@
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>

1
arch/sparc/kernel/sys_sparc_32.c
View File

@ -19,7 +19,6 @@
#include <linux/mman.h>
#include <linux/utsname.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/ipc.h>
#include <asm/uaccess.h>

1
arch/sparc/kernel/unaligned_32.c
View File

@ -16,7 +16,6 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/perf_event.h>
enum direction {

1
arch/sparc/kernel/windows.c
View File

@ -9,7 +9,6 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>

1
arch/tile/kernel/compat.c
View File

@ -21,7 +21,6 @@
#include <linux/kdev_t.h>
#include <linux/fs.h>
#include <linux/fcntl.h>
#include <linux/smp_lock.h>
#include <linux/uaccess.h>
#include <linux/signal.h>
#include <asm/syscalls.h>

1
arch/tile/kernel/compat_signal.c
View File

@ -15,7 +15,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/errno.h>

1
arch/tile/kernel/signal.c
View File

@ -16,7 +16,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/errno.h>

1
arch/tile/kernel/smpboot.c
View File

@ -18,7 +18,6 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/smp_lock.h>
#include <linux/bootmem.h>
#include <linux/notifier.h>
#include <linux/cpu.h>

1
arch/tile/kernel/sys.c
View File

@ -20,7 +20,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/mman.h>
#include <linux/file.h>

1
arch/tile/mm/fault.c
View File

@ -24,7 +24,6 @@
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/tty.h>

1
arch/tile/mm/hugetlbpage.c
View File

@ -21,7 +21,6 @@
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/pagemap.h>
#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/sysctl.h>

1
arch/um/kernel/exec.c
View File

@ -5,7 +5,6 @@
#include "linux/stddef.h"
#include "linux/fs.h"
#include "linux/smp_lock.h"
#include "linux/ptrace.h"
#include "linux/sched.h"
#include "linux/slab.h"

1
arch/x86/ia32/sys_ia32.c
View File

@ -28,7 +28,6 @@
#include <linux/syscalls.h>
#include <linux/times.h>
#include <linux/utsname.h>
#include <linux/smp_lock.h>
#include <linux/mm.h>
#include <linux/uio.h>
#include <linux/poll.h>

1
arch/x86/kernel/cpuid.c
View File

@ -33,7 +33,6 @@
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/device.h>

12
arch/x86/kernel/kgdb.c
View File

@ -315,14 +315,18 @@ static void kgdb_remove_all_hw_break(void)
if (!breakinfo[i].enabled)
continue;
bp = *per_cpu_ptr(breakinfo[i].pev, cpu);
if (bp->attr.disabled == 1)
if (!bp->attr.disabled) {
arch_uninstall_hw_breakpoint(bp);
bp->attr.disabled = 1;
continue;
}
if (dbg_is_early)
early_dr7 &= ~encode_dr7(i, breakinfo[i].len,
breakinfo[i].type);
else
arch_uninstall_hw_breakpoint(bp);
bp->attr.disabled = 1;
else if (hw_break_release_slot(i))
printk(KERN_ERR "KGDB: hw bpt remove failed %lx\n",
breakinfo[i].addr);
breakinfo[i].enabled = 0;
}
}

1
arch/x86/kernel/msr.c
View File

@ -30,7 +30,6 @@
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/device.h>

2
arch/x86/kvm/svm.c
View File

@ -3395,6 +3395,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
load_host_msrs(vcpu);
kvm_load_ldt(ldt_selector);
loadsegment(fs, fs_selector);
#ifdef CONFIG_X86_64
load_gs_index(gs_selector);
@ -3402,7 +3403,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
#else
loadsegment(gs, gs_selector);
#endif
kvm_load_ldt(ldt_selector);
reload_tss(vcpu);

19
arch/x86/kvm/vmx.c
View File

@ -821,10 +821,9 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu)
#endif
#ifdef CONFIG_X86_64
if (is_long_mode(&vmx->vcpu)) {
rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
if (is_long_mode(&vmx->vcpu))
wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
}
#endif
for (i = 0; i < vmx->save_nmsrs; ++i)
kvm_set_shared_msr(vmx->guest_msrs[i].index,
@ -839,23 +838,23 @@ static void __vmx_load_host_state(struct vcpu_vmx *vmx)
++vmx->vcpu.stat.host_state_reload;
vmx->host_state.loaded = 0;
if (vmx->host_state.fs_reload_needed)
loadsegment(fs, vmx->host_state.fs_sel);
#ifdef CONFIG_X86_64
if (is_long_mode(&vmx->vcpu))
rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
#endif
if (vmx->host_state.gs_ldt_reload_needed) {
kvm_load_ldt(vmx->host_state.ldt_sel);
#ifdef CONFIG_X86_64
load_gs_index(vmx->host_state.gs_sel);
wrmsrl(MSR_KERNEL_GS_BASE, current->thread.gs);
#else
loadsegment(gs, vmx->host_state.gs_sel);
#endif
}
if (vmx->host_state.fs_reload_needed)
loadsegment(fs, vmx->host_state.fs_sel);
reload_tss();
#ifdef CONFIG_X86_64
if (is_long_mode(&vmx->vcpu)) {
rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
}
wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
#endif
if (current_thread_info()->status & TS_USEDFPU)
clts();

105
arch/x86/pci/acpi.c
View File

@ -138,7 +138,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
struct acpi_resource_address64 addr;
acpi_status status;
unsigned long flags;
struct resource *root, *conflict;
u64 start, end;
status = resource_to_addr(acpi_res, &addr);
@ -146,12 +145,10 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
return AE_OK;
if (addr.resource_type == ACPI_MEMORY_RANGE) {
root = &iomem_resource;
flags = IORESOURCE_MEM;
if (addr.info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
flags |= IORESOURCE_PREFETCH;
} else if (addr.resource_type == ACPI_IO_RANGE) {
root = &ioport_resource;
flags = IORESOURCE_IO;
} else
return AE_OK;
@ -172,27 +169,92 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
return AE_OK;
}
conflict = insert_resource_conflict(root, res);
if (conflict) {
dev_err(&info->bridge->dev,
"address space collision: host bridge window %pR "
"conflicts with %s %pR\n",
res, conflict->name, conflict);
} else {
pci_bus_add_resource(info->bus, res, 0);
info->res_num++;
if (addr.translation_offset)
dev_info(&info->bridge->dev, "host bridge window %pR "
"(PCI address [%#llx-%#llx])\n",
res, res->start - addr.translation_offset,
res->end - addr.translation_offset);
else
dev_info(&info->bridge->dev,
"host bridge window %pR\n", res);
}
info->res_num++;
if (addr.translation_offset)
dev_info(&info->bridge->dev, "host bridge window %pR "
"(PCI address [%#llx-%#llx])\n",
res, res->start - addr.translation_offset,
res->end - addr.translation_offset);
else
dev_info(&info->bridge->dev, "host bridge window %pR\n", res);
return AE_OK;
}
static bool resource_contains(struct resource *res, resource_size_t point)
{
if (res->start <= point && point <= res->end)
return true;
return false;
}
static void coalesce_windows(struct pci_root_info *info, int type)
{
int i, j;
struct resource *res1, *res2;
for (i = 0; i < info->res_num; i++) {
res1 = &info->res[i];
if (!(res1->flags & type))
continue;
for (j = i + 1; j < info->res_num; j++) {
res2 = &info->res[j];
if (!(res2->flags & type))
continue;
/*
* I don't like throwing away windows because then
* our resources no longer match the ACPI _CRS, but
* the kernel resource tree doesn't allow overlaps.
*/
if (resource_contains(res1, res2->start) ||
resource_contains(res1, res2->end) ||
resource_contains(res2, res1->start) ||
resource_contains(res2, res1->end)) {
res1->start = min(res1->start, res2->start);
res1->end = max(res1->end, res2->end);
dev_info(&info->bridge->dev,
"host bridge window expanded to %pR; %pR ignored\n",
res1, res2);
res2->flags = 0;
}
}
}
}
static void add_resources(struct pci_root_info *info)
{
int i;
struct resource *res, *root, *conflict;
if (!pci_use_crs)
return;
coalesce_windows(info, IORESOURCE_MEM);
coalesce_windows(info, IORESOURCE_IO);
for (i = 0; i < info->res_num; i++) {
res = &info->res[i];
if (res->flags & IORESOURCE_MEM)
root = &iomem_resource;
else if (res->flags & IORESOURCE_IO)
root = &ioport_resource;
else
continue;
conflict = insert_resource_conflict(root, res);
if (conflict)
dev_err(&info->bridge->dev,
"address space collision: host bridge window %pR "
"conflicts with %s %pR\n",
res, conflict->name, conflict);
else
pci_bus_add_resource(info->bus, res, 0);
}
}
static void
get_current_resources(struct acpi_device *device, int busnum,
int domain, struct pci_bus *bus)
@ -224,6 +286,7 @@ get_current_resources(struct acpi_device *device, int busnum,
acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource,
&info);
add_resources(&info);
return;
name_alloc_fail:

1
block/compat_ioctl.c
View File

@ -8,7 +8,6 @@
#include <linux/hdreg.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/uaccess.h>

1
block/ioctl.c
View File

@ -5,7 +5,6 @@
#include <linux/hdreg.h>
#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include <linux/smp_lock.h>
#include <linux/blktrace_api.h>
#include <asm/uaccess.h>

19
drivers/ata/libata-scsi.c
View File

@ -3166,8 +3166,8 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
/**
* ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device
* @shost: SCSI host of command to be sent
* @cmd: SCSI command to be sent
* @done: Completion function, called when command is complete
*
* In some cases, this function translates SCSI commands into
* ATA taskfiles, and queues the taskfiles to be sent to
@ -3177,37 +3177,36 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
* ATA and ATAPI devices appearing as SCSI devices.
*
* LOCKING:
* Releases scsi-layer-held lock, and obtains host lock.
* ATA host lock
*
* RETURNS:
* Return value from __ata_scsi_queuecmd() if @cmd can be queued,
* 0 otherwise.
*/
int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
int ata_scsi_queuecmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
{
struct ata_port *ap;
struct ata_device *dev;
struct scsi_device *scsidev = cmd->device;
struct Scsi_Host *shost = scsidev->host;
int rc = 0;
unsigned long irq_flags;
ap = ata_shost_to_port(shost);
spin_unlock(shost->host_lock);
spin_lock(ap->lock);
spin_lock_irqsave(ap->lock, irq_flags);
ata_scsi_dump_cdb(ap, cmd);
dev = ata_scsi_find_dev(ap, scsidev);
if (likely(dev))
rc = __ata_scsi_queuecmd(cmd, done, dev);
rc = __ata_scsi_queuecmd(cmd, cmd->scsi_done, dev);
else {
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
cmd->scsi_done(cmd);
}
spin_unlock(ap->lock);
spin_lock(shost->host_lock);
spin_unlock_irqrestore(ap->lock, irq_flags);
return rc;
}

9
drivers/ata/sata_via.c
View File

@ -538,7 +538,7 @@ static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
return 0;
}
static void svia_configure(struct pci_dev *pdev)
static void svia_configure(struct pci_dev *pdev, int board_id)
{
u8 tmp8;
@ -577,7 +577,7 @@ static void svia_configure(struct pci_dev *pdev)
}
/*
* vt6421 has problems talking to some drives. The following
* vt6420/1 has problems talking to some drives. The following
* is the fix from Joseph Chan <JosephChan@via.com.tw>.
*
* When host issues HOLD, device may send up to 20DW of data
@ -596,8 +596,9 @@ static void svia_configure(struct pci_dev *pdev)
*
* https://bugzilla.kernel.org/show_bug.cgi?id=15173
* http://article.gmane.org/gmane.linux.ide/46352
* http://thread.gmane.org/gmane.linux.kernel/1062139
*/
if (pdev->device == 0x3249) {
if (board_id == vt6420 || board_id == vt6421) {
pci_read_config_byte(pdev, 0x52, &tmp8);
tmp8 |= 1 << 2;
pci_write_config_byte(pdev, 0x52, tmp8);
@ -652,7 +653,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
return rc;
svia_configure(pdev);
svia_configure(pdev, board_id);
pci_set_master(pdev);
return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,

34
drivers/base/power/main.c
View File

@ -475,20 +475,33 @@ static int device_resume_noirq(struct device *dev, pm_message_t state)
*/
void dpm_resume_noirq(pm_message_t state)
{
struct device *dev;
struct list_head list;
ktime_t starttime = ktime_get();
INIT_LIST_HEAD(&list);
mutex_lock(&dpm_list_mtx);
transition_started = false;
list_for_each_entry(dev, &dpm_list, power.entry)
while (!list_empty(&dpm_list)) {
struct device *dev = to_device(dpm_list.next);
get_device(dev);
if (dev->power.status > DPM_OFF) {
int error;
dev->power.status = DPM_OFF;
mutex_unlock(&dpm_list_mtx);
error = device_resume_noirq(dev, state);
mutex_lock(&dpm_list_mtx);
if (error)
pm_dev_err(dev, state, " early", error);
}
if (!list_empty(&dev->power.entry))
list_move_tail(&dev->power.entry, &list);
put_device(dev);
}
list_splice(&list, &dpm_list);
mutex_unlock(&dpm_list_mtx);
dpm_show_time(starttime, state, "early");
resume_device_irqs();
@ -789,20 +802,33 @@ static int device_suspend_noirq(struct device *dev, pm_message_t state)
*/
int dpm_suspend_noirq(pm_message_t state)
{
struct device *dev;
struct list_head list;
ktime_t starttime = ktime_get();
int error = 0;
INIT_LIST_HEAD(&list);
suspend_device_irqs();
mutex_lock(&dpm_list_mtx);
list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
while (!list_empty(&dpm_list)) {
struct device *dev = to_device(dpm_list.prev);
get_device(dev);
mutex_unlock(&dpm_list_mtx);
error = device_suspend_noirq(dev, state);
mutex_lock(&dpm_list_mtx);
if (error) {
pm_dev_err(dev, state, " late", error);
put_device(dev);
break;
}
dev->power.status = DPM_OFF_IRQ;
if (!list_empty(&dev->power.entry))
list_move(&dev->power.entry, &list);
put_device(dev);
}
list_splice_tail(&list, &dpm_list);
mutex_unlock(&dpm_list_mtx);
if (error)
dpm_resume_noirq(resume_event(state));

8
drivers/block/cciss_scsi.c
View File

@ -62,8 +62,8 @@ static int cciss_scsi_proc_info(
int length, /* length of data in buffer */
int func); /* 0 == read, 1 == write */
static int cciss_scsi_queue_command (struct scsi_cmnd *cmd,
void (* done)(struct scsi_cmnd *));
static int cciss_scsi_queue_command (struct Scsi_Host *h,
struct scsi_cmnd *cmd);
static int cciss_eh_device_reset_handler(struct scsi_cmnd *);
static int cciss_eh_abort_handler(struct scsi_cmnd *);
@ -1406,7 +1406,7 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c,
static int
cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
cciss_scsi_queue_command_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
ctlr_info_t *h;
int rc;
@ -1504,6 +1504,8 @@ cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd
return 0;
}
static DEF_SCSI_QCMD(cciss_scsi_queue_command)
static void cciss_unregister_scsi(ctlr_info_t *h)
{
struct cciss_scsi_adapter_data_t *sa;

1
drivers/block/drbd/drbd_receiver.c
View File

@ -36,7 +36,6 @@
#include <linux/memcontrol.h>
#include <linux/mm_inline.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/pkt_sched.h>
#define __KERNEL_SYSCALLS__
#include <linux/unistd.h>

1
drivers/block/drbd/drbd_worker.c
View File

@ -26,7 +26,6 @@
#include <linux/module.h>
#include <linux/drbd.h>
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <linux/wait.h>
#include <linux/mm.h>
#include <linux/memcontrol.h>

1
drivers/char/agp/frontend.c
View File

@ -39,7 +39,6 @@
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include "agp.h"

1
drivers/char/amiserial.c
View File

@ -81,7 +81,6 @@ static char *serial_version = "4.30";
#include <linux/mm.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/platform_device.h>

1
drivers/char/briq_panel.c
View File

@ -6,7 +6,6 @@
#include <linux/module.h>
#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/tty.h>

1
drivers/char/hpet.c
View File

@ -14,7 +14,6 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
#include <linux/major.h>

1
drivers/char/hw_random/core.c
View File

@ -37,7 +37,6 @@
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
#include <linux/delay.h>

8
drivers/char/i8k.c
View File

@ -120,7 +120,7 @@ static int i8k_smm(struct smm_regs *regs)
int eax = regs->eax;
#if defined(CONFIG_X86_64)
asm("pushq %%rax\n\t"
asm volatile("pushq %%rax\n\t"
"movl 0(%%rax),%%edx\n\t"
"pushq %%rdx\n\t"
"movl 4(%%rax),%%ebx\n\t"
@ -142,11 +142,11 @@ static int i8k_smm(struct smm_regs *regs)
"lahf\n\t"
"shrl $8,%%eax\n\t"
"andl $1,%%eax\n"
:"=a"(rc), "+m" (*regs)
:"=a"(rc)
: "a"(regs)
: "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
#else
asm("pushl %%eax\n\t"
asm volatile("pushl %%eax\n\t"
"movl 0(%%eax),%%edx\n\t"
"push %%edx\n\t"
"movl 4(%%eax),%%ebx\n\t"
@ -168,7 +168,7 @@ static int i8k_smm(struct smm_regs *regs)
"lahf\n\t"
"shrl $8,%%eax\n\t"
"andl $1,%%eax\n"
:"=a"(rc), "+m" (*regs)
:"=a"(rc)
: "a"(regs)
: "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
#endif

1
drivers/char/istallion.c
View File

@ -21,7 +21,6 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>

1
drivers/char/serial167.c
View File

@ -52,7 +52,6 @@
#include <linux/interrupt.h>
#include <linux/serial.h>
#include <linux/serialP.h>
#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/ptrace.h>

1
drivers/char/specialix.c
View File

@ -87,7 +87,6 @@
#include <linux/tty_flip.h>
#include <linux/mm.h>
#include <linux/serial.h>
#include <linux/smp_lock.h>
#include <linux/fcntl.h>
#include <linux/major.h>
#include <linux/delay.h>

1
drivers/char/stallion.c
View File

@ -40,7 +40,6 @@
#include <linux/stallion.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/smp_lock.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/ctype.h>

1
drivers/char/sx.c
View File

@ -216,7 +216,6 @@
#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
#include <linux/bitops.h>

1
drivers/char/uv_mmtimer.c
View File

@ -23,7 +23,6 @@
#include <linux/interrupt.h>
#include <linux/time.h>
#include <linux/math64.h>
#include <linux/smp_lock.h>
#include <asm/genapic.h>
#include <asm/uv/uv_hub.h>

4
drivers/firewire/sbp2.c
View File

@ -1468,7 +1468,7 @@ static int sbp2_map_scatterlist(struct sbp2_command_orb *orb,
/* SCSI stack integration */
static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
static int sbp2_scsi_queuecommand_lck(struct scsi_cmnd *cmd, scsi_done_fn_t done)
{
struct sbp2_logical_unit *lu = cmd->device->hostdata;
struct fw_device *device = target_device(lu->tgt);
@ -1534,6 +1534,8 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
return retval;
}
static DEF_SCSI_QCMD(sbp2_scsi_queuecommand)
static int sbp2_scsi_slave_alloc(struct scsi_device *sdev)
{
struct sbp2_logical_unit *lu = sdev->hostdata;

1
drivers/gpu/drm/drm_fops.c
View File

@ -37,7 +37,6 @@
#include "drmP.h"
#include <linux/poll.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
/* from BKL pushdown: note that nothing else serializes idr_find() */
DEFINE_MUTEX(drm_global_mutex);

64
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -609,6 +609,36 @@ static const char *purgeable_flag(int purgeable)
return purgeable ? " purgeable" : "";
}
static void print_error_buffers(struct seq_file *m,
const char *name,
struct drm_i915_error_buffer *err,
int count)
{
seq_printf(m, "%s [%d]:\n", name, count);
while (count--) {
seq_printf(m, " %08x %8zd %04x %04x %08x%s%s%s%s%s",
err->gtt_offset,
err->size,
err->read_domains,
err->write_domain,
err->seqno,
pin_flag(err->pinned),
tiling_flag(err->tiling),
dirty_flag(err->dirty),
purgeable_flag(err->purgeable),
ring_str(err->ring));
if (err->name)
seq_printf(m, " (name: %d)", err->name);
if (err->fence_reg != I915_FENCE_REG_NONE)
seq_printf(m, " (fence: %d)", err->fence_reg);
seq_printf(m, "\n");
err++;
}
}
static int i915_error_state(struct seq_file *m, void *unused)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@ -658,30 +688,15 @@ static int i915_error_state(struct seq_file *m, void *unused)
seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
seq_printf(m, " seqno: 0x%08x\n", error->seqno);
if (error->active_bo_count) {
seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
if (error->active_bo)
print_error_buffers(m, "Active",
error->active_bo,
error->active_bo_count);
for (i = 0; i < error->active_bo_count; i++) {
seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s %s",
error->active_bo[i].gtt_offset,
error->active_bo[i].size,
error->active_bo[i].read_domains,
error->active_bo[i].write_domain,
error->active_bo[i].seqno,
pin_flag(error->active_bo[i].pinned),
tiling_flag(error->active_bo[i].tiling),
dirty_flag(error->active_bo[i].dirty),
purgeable_flag(error->active_bo[i].purgeable),
ring_str(error->active_bo[i].ring));
if (error->active_bo[i].name)
seq_printf(m, " (name: %d)", error->active_bo[i].name);
if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE)
seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg);
seq_printf(m, "\n");
}
}
if (error->pinned_bo)
print_error_buffers(m, "Pinned",
error->pinned_bo,
error->pinned_bo_count);
for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
if (error->batchbuffer[i]) {
@ -714,6 +729,9 @@ static int i915_error_state(struct seq_file *m, void *unused)
if (error->overlay)
intel_overlay_print_error_state(m, error->overlay);
if (error->display)
intel_display_print_error_state(m, dev, error->display);
out:
spin_unlock_irqrestore(&dev_priv->error_lock, flags);

3
drivers/gpu/drm/i915/i915_drv.c
View File

@ -150,7 +150,8 @@ static const struct intel_device_info intel_ironlake_d_info = {
static const struct intel_device_info intel_ironlake_m_info = {
.gen = 5, .is_mobile = 1,
.need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1,
.need_gfx_hws = 1, .has_rc6 = 1, .has_hotplug = 1,
.has_fbc = 0, /* disabled due to buggy hardware */
.has_bsd_ring = 1,
};

12
drivers/gpu/drm/i915/i915_drv.h
View File

@ -140,6 +140,8 @@ struct sdvo_device_mapping {
u8 ddc_pin;
};
struct intel_display_error_state;
struct drm_i915_error_state {
u32 eir;
u32 pgtbl_er;
@ -184,9 +186,10 @@ struct drm_i915_error_state {
u32 dirty:1;
u32 purgeable:1;
u32 ring:4;
} *active_bo;
u32 active_bo_count;
} *active_bo, *pinned_bo;
u32 active_bo_count, pinned_bo_count;
struct intel_overlay_error_state *overlay;
struct intel_display_error_state *display;
};
struct drm_i915_display_funcs {
@ -1223,6 +1226,11 @@ extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
#ifdef CONFIG_DEBUG_FS
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
extern void intel_display_print_error_state(struct seq_file *m,
struct drm_device *dev,
struct intel_display_error_state *error);
#endif
/**

72
drivers/gpu/drm/i915/i915_gem.c
View File

@ -581,6 +581,19 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj_priv;
int ret = 0;
if (args->size == 0)
return 0;
if (!access_ok(VERIFY_WRITE,
(char __user *)(uintptr_t)args->data_ptr,
args->size))
return -EFAULT;
ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr,
args->size);
if (ret)
return -EFAULT;
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
@ -598,23 +611,6 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
goto out;
}
if (args->size == 0)
goto out;
if (!access_ok(VERIFY_WRITE,
(char __user *)(uintptr_t)args->data_ptr,
args->size)) {
ret = -EFAULT;
goto out;
}
ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr,
args->size);
if (ret) {
ret = -EFAULT;
goto out;
}
ret = i915_gem_object_set_cpu_read_domain_range(obj,
args->offset,
args->size);
@ -1025,7 +1021,20 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_pwrite *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
int ret = 0;
int ret;
if (args->size == 0)
return 0;
if (!access_ok(VERIFY_READ,
(char __user *)(uintptr_t)args->data_ptr,
args->size))
return -EFAULT;
ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr,
args->size);
if (ret)
return -EFAULT;
ret = i915_mutex_lock_interruptible(dev);
if (ret)
@ -1038,30 +1047,12 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
}
obj_priv = to_intel_bo(obj);
/* Bounds check destination. */
if (args->offset > obj->size || args->size > obj->size - args->offset) {
ret = -EINVAL;
goto out;
}
if (args->size == 0)
goto out;
if (!access_ok(VERIFY_READ,
(char __user *)(uintptr_t)args->data_ptr,
args->size)) {
ret = -EFAULT;
goto out;
}
ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr,
args->size);
if (ret) {
ret = -EFAULT;
goto out;
}
/* We can only do the GTT pwrite on untiled buffers, as otherwise
* it would end up going through the fenced access, and we'll get
* different detiling behavior between reading and writing.
@ -3759,8 +3750,15 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
for (i = 0; i < count; i++) {
char __user *ptr = (char __user *)(uintptr_t)exec[i].relocs_ptr;
size_t length = exec[i].relocation_count * sizeof(struct drm_i915_gem_relocation_entry);
int length; /* limited by fault_in_pages_readable() */
/* First check for malicious input causing overflow */
if (exec[i].relocation_count >
INT_MAX / sizeof(struct drm_i915_gem_relocation_entry))
return -EINVAL;
length = exec[i].relocation_count *
sizeof(struct drm_i915_gem_relocation_entry);
if (!access_ok(VERIFY_READ, ptr, length))
return -EFAULT;

88
drivers/gpu/drm/i915/i915_irq.c
View File

@ -552,6 +552,40 @@ i915_ringbuffer_last_batch(struct drm_device *dev,
return bbaddr;
}
static u32 capture_bo_list(struct drm_i915_error_buffer *err,
int count,
struct list_head *head)
{
struct drm_i915_gem_object *obj;
int i = 0;
list_for_each_entry(obj, head, mm_list) {
err->size = obj->base.size;
err->name = obj->base.name;
err->seqno = obj->last_rendering_seqno;
err->gtt_offset = obj->gtt_offset;
err->read_domains = obj->base.read_domains;
err->write_domain = obj->base.write_domain;
err->fence_reg = obj->fence_reg;
err->pinned = 0;
if (obj->pin_count > 0)
err->pinned = 1;
if (obj->user_pin_count > 0)
err->pinned = -1;
err->tiling = obj->tiling_mode;
err->dirty = obj->dirty;
err->purgeable = obj->madv != I915_MADV_WILLNEED;
err->ring = obj->ring->id;
if (++i == count)
break;
err++;
}
return i;
}
/**
* i915_capture_error_state - capture an error record for later analysis
* @dev: drm device
@ -700,45 +734,39 @@ static void i915_capture_error_state(struct drm_device *dev)
error->ringbuffer = i915_error_object_create(dev,
dev_priv->render_ring.gem_object);
/* Record buffers on the active list. */
/* Record buffers on the active and pinned lists. */
error->active_bo = NULL;
error->active_bo_count = 0;
error->pinned_bo = NULL;
if (count)
error->active_bo_count = count;
list_for_each_entry(obj_priv, &dev_priv->mm.pinned_list, mm_list)
count++;
error->pinned_bo_count = count - error->active_bo_count;
if (count) {
error->active_bo = kmalloc(sizeof(*error->active_bo)*count,
GFP_ATOMIC);
if (error->active_bo) {
int i = 0;
list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) {
struct drm_gem_object *obj = &obj_priv->base;
error->active_bo[i].size = obj->size;
error->active_bo[i].name = obj->name;
error->active_bo[i].seqno = obj_priv->last_rendering_seqno;
error->active_bo[i].gtt_offset = obj_priv->gtt_offset;
error->active_bo[i].read_domains = obj->read_domains;
error->active_bo[i].write_domain = obj->write_domain;
error->active_bo[i].fence_reg = obj_priv->fence_reg;
error->active_bo[i].pinned = 0;
if (obj_priv->pin_count > 0)
error->active_bo[i].pinned = 1;
if (obj_priv->user_pin_count > 0)
error->active_bo[i].pinned = -1;
error->active_bo[i].tiling = obj_priv->tiling_mode;
error->active_bo[i].dirty = obj_priv->dirty;
error->active_bo[i].purgeable = obj_priv->madv != I915_MADV_WILLNEED;
error->active_bo[i].ring = obj_priv->ring->id;
if (++i == count)
break;
}
error->active_bo_count = i;
if (error->active_bo)
error->pinned_bo =
error->active_bo + error->active_bo_count;
}
if (error->active_bo)
error->active_bo_count =
capture_bo_list(error->active_bo,
error->active_bo_count,
&dev_priv->mm.active_list);
if (error->pinned_bo)
error->pinned_bo_count =
capture_bo_list(error->pinned_bo,
error->pinned_bo_count,
&dev_priv->mm.pinned_list);
do_gettimeofday(&error->time);
error->overlay = intel_overlay_capture_error_state(dev);
error->display = intel_display_capture_error_state(dev);
spin_lock_irqsave(&dev_priv->error_lock, flags);
if (dev_priv->first_error == NULL) {

6
drivers/gpu/drm/i915/i915_reg.h
View File

@ -1193,7 +1193,6 @@
#define VTOTAL(pipe) _PIPE(pipe, VTOTAL_A, VTOTAL_B)
#define VBLANK(pipe) _PIPE(pipe, VBLANK_A, VBLANK_B)
#define VSYNC(pipe) _PIPE(pipe, VSYNC_A, VSYNC_B)
#define PIPESRC(pipe) _PIPE(pipe, PIPEASRC, PIPEBSRC)
#define BCLRPAT(pipe) _PIPE(pipe, BCLRPAT_A, BCLRPAT_B)
/* VGA port control */
@ -2207,6 +2206,7 @@
#define PIPE_6BPC (2 << 5)
#define PIPE_12BPC (3 << 5)
#define PIPESRC(pipe) _PIPE(pipe, PIPEASRC, PIPEBSRC)
#define PIPECONF(pipe) _PIPE(pipe, PIPEACONF, PIPEBCONF)
#define PIPEDSL(pipe) _PIPE(pipe, PIPEADSL, PIPEBDSL)
@ -2376,6 +2376,10 @@
#define CURBBASE 0x700c4
#define CURBPOS 0x700c8
#define CURCNTR(pipe) _PIPE(pipe, CURACNTR, CURBCNTR)
#define CURBASE(pipe) _PIPE(pipe, CURABASE, CURBBASE)
#define CURPOS(pipe) _PIPE(pipe, CURAPOS, CURBPOS)
/* Display A control */
#define DSPACNTR 0x70180
#define DISPLAY_PLANE_ENABLE (1<<31)

40
drivers/gpu/drm/i915/i915_suspend.c
View File

@ -239,6 +239,16 @@ static void i915_save_modeset_reg(struct drm_device *dev)
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
/* Cursor state */
dev_priv->saveCURACNTR = I915_READ(CURACNTR);
dev_priv->saveCURAPOS = I915_READ(CURAPOS);
dev_priv->saveCURABASE = I915_READ(CURABASE);
dev_priv->saveCURBCNTR = I915_READ(CURBCNTR);
dev_priv->saveCURBPOS = I915_READ(CURBPOS);
dev_priv->saveCURBBASE = I915_READ(CURBBASE);
if (IS_GEN2(dev))
dev_priv->saveCURSIZE = I915_READ(CURSIZE);
if (HAS_PCH_SPLIT(dev)) {
dev_priv->savePCH_DREF_CONTROL = I915_READ(PCH_DREF_CONTROL);
dev_priv->saveDISP_ARB_CTL = I915_READ(DISP_ARB_CTL);
@ -529,6 +539,16 @@ static void i915_restore_modeset_reg(struct drm_device *dev)
I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
I915_WRITE(DSPBADDR, I915_READ(DSPBADDR));
/* Cursor state */
I915_WRITE(CURAPOS, dev_priv->saveCURAPOS);
I915_WRITE(CURACNTR, dev_priv->saveCURACNTR);
I915_WRITE(CURABASE, dev_priv->saveCURABASE);
I915_WRITE(CURBPOS, dev_priv->saveCURBPOS);
I915_WRITE(CURBCNTR, dev_priv->saveCURBCNTR);
I915_WRITE(CURBBASE, dev_priv->saveCURBBASE);
if (IS_GEN2(dev))
I915_WRITE(CURSIZE, dev_priv->saveCURSIZE);
return;
}
@ -543,16 +563,6 @@ void i915_save_display(struct drm_device *dev)
/* Don't save them in KMS mode */
i915_save_modeset_reg(dev);
/* Cursor state */
dev_priv->saveCURACNTR = I915_READ(CURACNTR);
dev_priv->saveCURAPOS = I915_READ(CURAPOS);
dev_priv->saveCURABASE = I915_READ(CURABASE);
dev_priv->saveCURBCNTR = I915_READ(CURBCNTR);
dev_priv->saveCURBPOS = I915_READ(CURBPOS);
dev_priv->saveCURBBASE = I915_READ(CURBBASE);
if (IS_GEN2(dev))
dev_priv->saveCURSIZE = I915_READ(CURSIZE);
/* CRT state */
if (HAS_PCH_SPLIT(dev)) {
dev_priv->saveADPA = I915_READ(PCH_ADPA);
@ -657,16 +667,6 @@ void i915_restore_display(struct drm_device *dev)
/* Don't restore them in KMS mode */
i915_restore_modeset_reg(dev);
/* Cursor state */
I915_WRITE(CURAPOS, dev_priv->saveCURAPOS);
I915_WRITE(CURACNTR, dev_priv->saveCURACNTR);
I915_WRITE(CURABASE, dev_priv->saveCURABASE);
I915_WRITE(CURBPOS, dev_priv->saveCURBPOS);
I915_WRITE(CURBCNTR, dev_priv->saveCURBCNTR);
I915_WRITE(CURBBASE, dev_priv->saveCURBBASE);
if (IS_GEN2(dev))
I915_WRITE(CURSIZE, dev_priv->saveCURSIZE);
/* CRT state */
if (HAS_PCH_SPLIT(dev))
I915_WRITE(PCH_ADPA, dev_priv->saveADPA);

110
drivers/gpu/drm/i915/intel_display.c
View File

@ -6269,3 +6269,113 @@ int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl);
return 0;
}
#ifdef CONFIG_DEBUG_FS
#include <linux/seq_file.h>
struct intel_display_error_state {
struct intel_cursor_error_state {
u32 control;
u32 position;
u32 base;
u32 size;
} cursor[2];
struct intel_pipe_error_state {
u32 conf;
u32 source;
u32 htotal;
u32 hblank;
u32 hsync;
u32 vtotal;
u32 vblank;
u32 vsync;
} pipe[2];
struct intel_plane_error_state {
u32 control;
u32 stride;
u32 size;
u32 pos;
u32 addr;
u32 surface;
u32 tile_offset;
} plane[2];
};
struct intel_display_error_state *
intel_display_capture_error_state(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_display_error_state *error;
int i;
error = kmalloc(sizeof(*error), GFP_ATOMIC);
if (error == NULL)
return NULL;
for (i = 0; i < 2; i++) {
error->cursor[i].control = I915_READ(CURCNTR(i));
error->cursor[i].position = I915_READ(CURPOS(i));
error->cursor[i].base = I915_READ(CURBASE(i));
error->plane[i].control = I915_READ(DSPCNTR(i));
error->plane[i].stride = I915_READ(DSPSTRIDE(i));
error->plane[i].size = I915_READ(DSPSIZE(i));
error->plane[i].pos= I915_READ(DSPPOS(i));
error->plane[i].addr = I915_READ(DSPADDR(i));
if (INTEL_INFO(dev)->gen >= 4) {
error->plane[i].surface = I915_READ(DSPSURF(i));
error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i));
}
error->pipe[i].conf = I915_READ(PIPECONF(i));
error->pipe[i].source = I915_READ(PIPESRC(i));
error->pipe[i].htotal = I915_READ(HTOTAL(i));
error->pipe[i].hblank = I915_READ(HBLANK(i));
error->pipe[i].hsync = I915_READ(HSYNC(i));
error->pipe[i].vtotal = I915_READ(VTOTAL(i));
error->pipe[i].vblank = I915_READ(VBLANK(i));
error->pipe[i].vsync = I915_READ(VSYNC(i));
}
return error;
}
void
intel_display_print_error_state(struct seq_file *m,
struct drm_device *dev,
struct intel_display_error_state *error)
{
int i;
for (i = 0; i < 2; i++) {
seq_printf(m, "Pipe [%d]:\n", i);
seq_printf(m, " CONF: %08x\n", error->pipe[i].conf);
seq_printf(m, " SRC: %08x\n", error->pipe[i].source);
seq_printf(m, " HTOTAL: %08x\n", error->pipe[i].htotal);
seq_printf(m, " HBLANK: %08x\n", error->pipe[i].hblank);
seq_printf(m, " HSYNC: %08x\n", error->pipe[i].hsync);
seq_printf(m, " VTOTAL: %08x\n", error->pipe[i].vtotal);
seq_printf(m, " VBLANK: %08x\n", error->pipe[i].vblank);
seq_printf(m, " VSYNC: %08x\n", error->pipe[i].vsync);
seq_printf(m, "Plane [%d]:\n", i);
seq_printf(m, " CNTR: %08x\n", error->plane[i].control);
seq_printf(m, " STRIDE: %08x\n", error->plane[i].stride);
seq_printf(m, " SIZE: %08x\n", error->plane[i].size);
seq_printf(m, " POS: %08x\n", error->plane[i].pos);
seq_printf(m, " ADDR: %08x\n", error->plane[i].addr);
if (INTEL_INFO(dev)->gen >= 4) {
seq_printf(m, " SURF: %08x\n", error->plane[i].surface);
seq_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset);
}
seq_printf(m, "Cursor [%d]:\n", i);
seq_printf(m, " CNTR: %08x\n", error->cursor[i].control);
seq_printf(m, " POS: %08x\n", error->cursor[i].position);
seq_printf(m, " BASE: %08x\n", error->cursor[i].base);
}
}
#endif

9
drivers/gpu/drm/nouveau/nouveau_backlight.c
View File

@ -31,6 +31,7 @@
*/
#include <linux/backlight.h>
#include <linux/acpi.h>
#include "drmP.h"
#include "nouveau_drv.h"
@ -136,6 +137,14 @@ int nouveau_backlight_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
#ifdef CONFIG_ACPI
if (acpi_video_backlight_support()) {
NV_INFO(dev, "ACPI backlight interface available, "
"not registering our own\n");
return 0;
}
#endif
switch (dev_priv->card_type) {
case NV_40:
return nouveau_nv40_backlight_init(dev);

2
drivers/gpu/drm/nouveau/nouveau_bios.c
View File

@ -6829,7 +6829,7 @@ nouveau_bios_posted(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
unsigned htotal;
if (dev_priv->chipset >= NV_50) {
if (dev_priv->card_type >= NV_50) {
if (NVReadVgaCrtc(dev, 0, 0x00) == 0 &&
NVReadVgaCrtc(dev, 0, 0x1a) == 0)
return false;

43
drivers/gpu/drm/nouveau/nouveau_bo.c
View File

@ -143,8 +143,10 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan,
nvbo->no_vm = no_vm;
nvbo->tile_mode = tile_mode;
nvbo->tile_flags = tile_flags;
nvbo->bo.bdev = &dev_priv->ttm.bdev;
nouveau_bo_fixup_align(dev, tile_mode, tile_flags, &align, &size);
nouveau_bo_fixup_align(dev, tile_mode, nouveau_bo_tile_layout(nvbo),
&align, &size);
align >>= PAGE_SHIFT;
nouveau_bo_placement_set(nvbo, flags, 0);
@ -176,6 +178,31 @@ set_placement_list(uint32_t *pl, unsigned *n, uint32_t type, uint32_t flags)
pl[(*n)++] = TTM_PL_FLAG_SYSTEM | flags;
}
static void
set_placement_range(struct nouveau_bo *nvbo, uint32_t type)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
if (dev_priv->card_type == NV_10 &&
nvbo->tile_mode && (type & TTM_PL_FLAG_VRAM)) {
/*
* Make sure that the color and depth buffers are handled
* by independent memory controller units. Up to a 9x
* speed up when alpha-blending and depth-test are enabled
* at the same time.
*/
int vram_pages = dev_priv->vram_size >> PAGE_SHIFT;
if (nvbo->tile_flags & NOUVEAU_GEM_TILE_ZETA) {
nvbo->placement.fpfn = vram_pages / 2;
nvbo->placement.lpfn = ~0;
} else {
nvbo->placement.fpfn = 0;
nvbo->placement.lpfn = vram_pages / 2;
}
}
}
void
nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy)
{
@ -190,6 +217,8 @@ nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy)
pl->busy_placement = nvbo->busy_placements;
set_placement_list(nvbo->busy_placements, &pl->num_busy_placement,
type | busy, flags);
set_placement_range(nvbo, type);
}
int
@ -525,7 +554,8 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
stride = 16 * 4;
height = amount / stride;
if (new_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) {
if (new_mem->mem_type == TTM_PL_VRAM &&
nouveau_bo_tile_layout(nvbo)) {
ret = RING_SPACE(chan, 8);
if (ret)
return ret;
@ -546,7 +576,8 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
BEGIN_RING(chan, NvSubM2MF, 0x0200, 1);
OUT_RING (chan, 1);
}
if (old_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) {
if (old_mem->mem_type == TTM_PL_VRAM &&
nouveau_bo_tile_layout(nvbo)) {
ret = RING_SPACE(chan, 8);
if (ret)
return ret;
@ -753,7 +784,8 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem,
if (dev_priv->card_type == NV_50) {
ret = nv50_mem_vm_bind_linear(dev,
offset + dev_priv->vm_vram_base,
new_mem->size, nvbo->tile_flags,
new_mem->size,
nouveau_bo_tile_layout(nvbo),
offset);
if (ret)
return ret;
@ -894,7 +926,8 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
* nothing to do here.
*/
if (bo->mem.mem_type != TTM_PL_VRAM) {
if (dev_priv->card_type < NV_50 || !nvbo->tile_flags)
if (dev_priv->card_type < NV_50 ||
!nouveau_bo_tile_layout(nvbo))
return 0;
}

77
drivers/gpu/drm/nouveau/nouveau_connector.c
View File

@ -281,7 +281,7 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
if (!nv_encoder && !nouveau_tv_disable)
nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
if (nv_encoder) {
if (nv_encoder && force) {
struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
struct drm_encoder_helper_funcs *helper =
encoder->helper_private;
@ -641,11 +641,28 @@ nouveau_connector_get_modes(struct drm_connector *connector)
return ret;
}
static unsigned
get_tmds_link_bandwidth(struct drm_connector *connector)
{
struct nouveau_connector *nv_connector = nouveau_connector(connector);
struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
struct dcb_entry *dcb = nv_connector->detected_encoder->dcb;
if (dcb->location != DCB_LOC_ON_CHIP ||
dev_priv->chipset >= 0x46)
return 165000;
else if (dev_priv->chipset >= 0x40)
return 155000;
else if (dev_priv->chipset >= 0x18)
return 135000;
else
return 112000;
}
static int
nouveau_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
struct nouveau_connector *nv_connector = nouveau_connector(connector);
struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
@ -663,11 +680,9 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
max_clock = 400000;
break;
case OUTPUT_TMDS:
if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) ||
!nv_encoder->dcb->duallink_possible)
max_clock = 165000;
else
max_clock = 330000;
max_clock = get_tmds_link_bandwidth(connector);
if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
max_clock *= 2;
break;
case OUTPUT_ANALOG:
max_clock = nv_encoder->dcb->crtconf.maxfreq;
@ -709,44 +724,6 @@ nouveau_connector_best_encoder(struct drm_connector *connector)
return NULL;
}
void
nouveau_connector_set_polling(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc;
bool spare_crtc = false;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
spare_crtc |= !crtc->enabled;
connector->polled = 0;
switch (connector->connector_type) {
case DRM_MODE_CONNECTOR_VGA:
case DRM_MODE_CONNECTOR_TV:
if (dev_priv->card_type >= NV_50 ||
(nv_gf4_disp_arch(dev) && spare_crtc))
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_DisplayPort:
case DRM_MODE_CONNECTOR_eDP:
if (dev_priv->card_type >= NV_50)
connector->polled = DRM_CONNECTOR_POLL_HPD;
else if (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
spare_crtc)
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
break;
default:
break;
}
}
static const struct drm_connector_helper_funcs
nouveau_connector_helper_funcs = {
.get_modes = nouveau_connector_get_modes,
@ -872,6 +849,7 @@ nouveau_connector_create(struct drm_device *dev, int index)
dev->mode_config.scaling_mode_property,
nv_connector->scaling_mode);
}
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
/* fall-through */
case DCB_CONNECTOR_TV_0:
case DCB_CONNECTOR_TV_1:
@ -888,11 +866,16 @@ nouveau_connector_create(struct drm_device *dev, int index)
dev->mode_config.dithering_mode_property,
nv_connector->use_dithering ?
DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
if (dcb->type != DCB_CONNECTOR_LVDS) {
if (dev_priv->card_type >= NV_50)
connector->polled = DRM_CONNECTOR_POLL_HPD;
else
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
}
break;
}
nouveau_connector_set_polling(connector);
drm_sysfs_connector_add(connector);
dcb->drm = connector;
return dcb->drm;

3
drivers/gpu/drm/nouveau/nouveau_connector.h
View File

@ -52,9 +52,6 @@ static inline struct nouveau_connector *nouveau_connector(
struct drm_connector *
nouveau_connector_create(struct drm_device *, int index);
void
nouveau_connector_set_polling(struct drm_connector *);
int
nouveau_connector_bpp(struct drm_connector *);

55
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -100,6 +100,9 @@ struct nouveau_bo {
int pin_refcnt;
};
#define nouveau_bo_tile_layout(nvbo) \
((nvbo)->tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)
static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object *bo)
{
@ -304,6 +307,7 @@ struct nouveau_fifo_engine {
void (*destroy_context)(struct nouveau_channel *);
int (*load_context)(struct nouveau_channel *);
int (*unload_context)(struct drm_device *);
void (*tlb_flush)(struct drm_device *dev);
};
struct nouveau_pgraph_object_method {
@ -336,6 +340,7 @@ struct nouveau_pgraph_engine {
void (*destroy_context)(struct nouveau_channel *);
int (*load_context)(struct nouveau_channel *);
int (*unload_context)(struct drm_device *);
void (*tlb_flush)(struct drm_device *dev);
void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
uint32_t size, uint32_t pitch);
@ -485,13 +490,13 @@ enum nv04_fp_display_regs {
};
struct nv04_crtc_reg {
unsigned char MiscOutReg; /* */
unsigned char MiscOutReg;
uint8_t CRTC[0xa0];
uint8_t CR58[0x10];
uint8_t Sequencer[5];
uint8_t Graphics[9];
uint8_t Attribute[21];
unsigned char DAC[768]; /* Internal Colorlookuptable */
unsigned char DAC[768];
/* PCRTC regs */
uint32_t fb_start;
@ -539,43 +544,9 @@ struct nv04_output_reg {
};
struct nv04_mode_state {
uint32_t bpp;
uint32_t width;
uint32_t height;
uint32_t interlace;
uint32_t repaint0;
uint32_t repaint1;
uint32_t screen;
uint32_t scale;
uint32_t dither;
uint32_t extra;
uint32_t fifo;
uint32_t pixel;
uint32_t horiz;
int arbitration0;
int arbitration1;
uint32_t pll;
uint32_t pllB;
uint32_t vpll;
uint32_t vpll2;
uint32_t vpllB;
uint32_t vpll2B;
struct nv04_crtc_reg crtc_reg[2];
uint32_t pllsel;
uint32_t sel_clk;
uint32_t general;
uint32_t crtcOwner;
uint32_t head;
uint32_t head2;
uint32_t cursorConfig;
uint32_t cursor0;
uint32_t cursor1;
uint32_t cursor2;
uint32_t timingH;
uint32_t timingV;
uint32_t displayV;
uint32_t crtcSync;
struct nv04_crtc_reg crtc_reg[2];
};
enum nouveau_card_type {
@ -613,6 +584,12 @@ struct drm_nouveau_private {
struct work_struct irq_work;
struct work_struct hpd_work;
struct {
spinlock_t lock;
uint32_t hpd0_bits;
uint32_t hpd1_bits;
} hpd_state;
struct list_head vbl_waiting;
struct {
@ -1045,6 +1022,7 @@ extern int nv50_fifo_create_context(struct nouveau_channel *);
extern void nv50_fifo_destroy_context(struct nouveau_channel *);
extern int nv50_fifo_load_context(struct nouveau_channel *);
extern int nv50_fifo_unload_context(struct drm_device *);
extern void nv50_fifo_tlb_flush(struct drm_device *dev);
/* nvc0_fifo.c */
extern int nvc0_fifo_init(struct drm_device *);
@ -1122,6 +1100,8 @@ extern int nv50_graph_load_context(struct nouveau_channel *);
extern int nv50_graph_unload_context(struct drm_device *);
extern void nv50_graph_context_switch(struct drm_device *);
extern int nv50_grctx_init(struct nouveau_grctx *);
extern void nv50_graph_tlb_flush(struct drm_device *dev);
extern void nv86_graph_tlb_flush(struct drm_device *dev);
/* nvc0_graph.c */
extern int nvc0_graph_init(struct drm_device *);
@ -1239,7 +1219,6 @@ extern u16 nouveau_bo_rd16(struct nouveau_bo *nvbo, unsigned index);
extern void nouveau_bo_wr16(struct nouveau_bo *nvbo, unsigned index, u16 val);
extern u32 nouveau_bo_rd32(struct nouveau_bo *nvbo, unsigned index);
extern void nouveau_bo_wr32(struct nouveau_bo *nvbo, unsigned index, u32 val);
extern int nouveau_bo_sync_gpu(struct nouveau_bo *, struct nouveau_channel *);
/* nouveau_fence.c */
struct nouveau_fence;

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