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Linus Torvalds 8f53369b75 Revert "drm/i915/crt: Do not rely upon the HPD presence pin" 
This reverts commit 9e612a008f.

It incorrectly finds VGA connectors where none are attached, apparently
not noticing that nothing replied to the EDID queries, and happily using
the default EDID modes that have nothing to do with actual hardware.

That in turn then causes X to fall down to the lowest common
denominator, which is usually the default 1024x768 mode that is in the
default EDID and pretty much anything supports).

I'd suggest that if not relying on the HDP pin, the code should at least
check whether it gets valid EDID data back, rather than just assume
there's something on the VGA connector.

Cc: Dave Airlie <airlied@linux.ie>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2012-06-08 14:53:06 -07:00
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accessibility
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acpi Merge branches 'bugfix-battery', 'bugfix-misc', 'bugfix-rafael', 'bugfix-turbostat', 'bugfix-video' and 'workaround-pss' into release 2012-06-04 00:48:41 -04:00
amba arm-soc: driver specific updates 2012-05-26 12:22:27 -07:00
ata arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
atm solos-pci: Fix DMA support 2012-05-24 16:22:53 -04:00
auxdisplay
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base Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-06-01 10:34:35 -07:00
bcma Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-24 11:54:29 -07:00
block mtip32xx: Changes to sysfs entries 2012-05-31 08:46:50 +02:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-24 11:54:29 -07:00
cdrom
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char char/agp: add another Ironlake host bridge 2012-06-06 17:05:29 +02:00
clk arm-soc: soc specific changes, part 2 2012-05-26 13:05:55 -07:00
clocksource clocksource: em_sti: Add DT support 2012-05-25 11:32:06 +02:00
connector
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cpufreq
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cpuidle
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crypto arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
dca
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devfreq Power management updates for 3.5 2012-05-23 14:07:06 -07:00
dio
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dma arm-soc: device tree conversions, part 2 2012-05-26 12:57:47 -07:00
edac Merge branch 'x86/trampoline' into x86/urgent 2012-05-30 12:11:32 -07:00
eisa
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extcon Driver core pull for 3.5-rc1 2012-05-22 16:02:13 -07:00
firewire IEEE 1394 (FireWire) subsystem updates post v3.4: 2012-05-24 12:57:47 -07:00
firmware
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gpio gpio/samsung: fix the typo 'exynos5_xxx' instead of 'exonys5_xxx' 2012-06-03 21:21:01 -07:00
gpu Revert "drm/i915/crt: Do not rely upon the HPD presence pin" 2012-06-08 14:53:06 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-05-22 19:22:50 -07:00
hsi
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hv Driver core pull for 3.5-rc1 2012-05-22 16:02:13 -07:00
hwmon hwmon/sch56xx: Depend on watchdog for watchdog core functions 2012-05-30 07:56:20 +02:00
hwspinlock
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i2c i2c: Add generic I2C multiplexer using pinctrl API 2012-06-04 16:49:43 +02:00
ide
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idle
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ieee802154 drivers/ieee802154: IEEE 802.15.4 loopback driver 2012-05-16 15:17:08 -04:00
iio iio: Use dev_to_iio_dev() 2012-05-14 13:37:45 -07:00
infiniband Merge branches 'cxgb4', 'mlx4' and 'ocrdma' into for-linus 2012-06-06 10:08:11 -07:00
input i2c: Split I2C_M_NOSTART support out of I2C_FUNC_PROTOCOL_MANGLING 2012-05-30 10:55:34 +02:00
iommu iommu/amd: Fix deadlock in ppr-handling error path 2012-06-04 12:47:44 +02:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-24 11:54:29 -07:00
leds leds: add LM3533 LED driver 2012-05-29 16:22:32 -07:00
lguest
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macintosh
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md md: 2 fixes for 3.5-rc 2012-06-06 09:49:28 -07:00
media arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
memory memory: tegra{20,30}-mc: Remove empty *_remove() 2012-05-14 12:52:52 -07:00
memstick
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message Merge branch 'akpm' (Andrew's patch-bomb) 2012-05-31 18:10:18 -07:00
mfd ARM: ux500: Provide regulator support for SMSC911x via Device Tree 2012-06-01 02:04:46 +02:00
misc MFD changes for 3.5 2012-05-29 11:53:11 -07:00
mmc arm-soc: device tree conversions, part 2 2012-05-26 12:57:47 -07:00
mtd UBI: correct ubi_wl_flush locking 2012-06-07 15:22:21 +03:00
net InfiniBand/RDMA fixes for 3.5-rc2, all in hardware drivers: 2012-06-06 10:45:21 -07:00
nfc NFC: potential integer overflow problem in check_crc() 2012-05-25 11:16:16 -04:00
nubus
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of Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2012-05-29 18:27:19 -07:00
oprofile
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parisc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-05-22 19:22:50 -07:00
parport Driver core pull for 3.5-rc1 2012-05-22 16:02:13 -07:00
pci Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2012-05-29 18:27:19 -07:00
pcmcia
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pinctrl pinctrl-nomadik: Allow Device Tree driver probing 2012-06-01 02:03:25 +02:00
platform drivers/platform/x86/acerhdf.c: correct Boris' mail address 2012-06-07 14:43:55 -07:00
pnp
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power A bunch of fixes for v3.5, nothing extraordinary. 2012-05-31 12:10:15 -07:00
pps
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ps3
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ptp Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-05-22 19:22:50 -07:00
rapidio rapidio/tsi721: add DMA engine support 2012-05-31 17:49:31 -07:00
regulator MFD changes for 3.5 2012-05-29 11:53:11 -07:00
remoteproc IOMMU Updates for Linux 3.5 2012-05-30 08:49:28 -07:00
rpmsg
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rtc Merge branches 'bugfix-battery', 'bugfix-misc', 'bugfix-rafael', 'bugfix-turbostat', 'bugfix-video' and 'workaround-pss' into release 2012-06-04 00:48:41 -04:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2012-05-31 10:51:10 -07:00
sbus
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scsi SCSI misc on 20120531 2012-05-31 12:02:41 -07:00
sfi
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sh sh: intc: Kill off special reservation interface. 2012-05-22 19:07:55 +09:00
sn
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spi arm-soc: soc specific changes, part 2 2012-05-26 13:05:55 -07:00
ssb ssb: add PCI IDs 0x4322 and 43222 2012-05-16 12:46:37 -04:00
staging Frontswap provides a "transcendent memory" interface for swap pages. 2012-06-04 12:28:45 -07:00
target target/file: Use O_DSYNC by default for FILEIO backends 2012-06-02 23:47:20 -07:00
tc
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thermal
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tty tty: Revert the tty locking series, it needs more work 2012-06-02 15:21:43 -07:00
uio uio_pdrv_genirq: get irq through platform resource if not set otherwise 2012-05-15 08:44:58 -07:00
usb arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
uwb
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vhost Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-16 22:17:37 -04:00
video fbdev updates for 3.5 2012-06-01 16:57:51 -07:00
virt
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virtio virtio-mmio: Devices parameter parsing 2012-05-22 12:16:15 +09:30
vlynq
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vme
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w1 arm-soc: clock driver changes 2012-05-26 12:42:29 -07:00
watchdog watchdog: iTCO_wdt.c: fix printk format warnings 2012-05-30 08:16:48 +02:00
xen Frontswap provides a "transcendent memory" interface for swap pages. 2012-06-04 12:28:45 -07:00
zorro
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Kconfig Staging tree pull request for 3.5-rc1 2012-05-22 16:34:21 -07:00
Makefile arm-soc: driver specific updates 2012-05-26 12:22:27 -07:00