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c49d005b6c
linux/drivers/video
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Tomi Valkeinen c49d005b6c OMAPDSS: HDMI: PHY burnout fix 
A hardware bug in the OMAP4 HDMI PHY causes physical damage to the board
if the HDMI PHY is kept powered on when the cable is not connected.

This patch solves the problem by adding hot-plug-detection into the HDMI
IP driver. This is not a real HPD support in the sense that nobody else
than the IP driver gets to know about the HPD events, but is only meant
to fix the HW bug.

The strategy is simple: If the display device is turned off by the user,
the PHY power is set to OFF. When the display device is turned on by the
user, the PHY power is set either to LDOON or TXON, depending on whether
the HDMI cable is connected.

The reason to avoid PHY OFF when the display device is on, but the cable
is disconnected, is that when the PHY is turned OFF, the HDMI IP is not
"ticking" and thus the DISPC does not receive pixel clock from the HDMI
IP. This would, for example, prevent any VSYNCs from happening, and
would thus affect the users of omapdss. By using LDOON when the cable is
disconnected we'll avoid the HW bug, but keep the HDMI working as usual
from the user's point of view.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2012-01-26 13:51:36 +02:00
..
aty radeonfb: use display information in info not in var for panning 2011-08-19 10:30:16 +02:00
backlight Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
console locking, video: Annotate vga console lock as raw 2011-09-13 11:12:04 +02:00
geode gx1fb: Fix section mismatch warnings 2011-06-24 17:00:31 +09:00
i810 module_param: make bool parameters really bool (drivers/video/i810) 2012-01-12 23:28:59 +00:00
intelfb intelfb: use display information in info not in var for panning 2011-08-19 10:32:31 +02:00
kyro Fix common misspellings 2011-03-31 11:26:23 -03:00
logo fbdev: move logo externs to header file 2009-06-16 19:47:57 -07:00
matrox fbdev: matroxfb: Fix compilation after fb_var_screeninfo change 2011-12-21 02:26:11 +00:00
mb862xx video: Add module.h to drivers/video files who really use it. 2011-10-31 19:31:33 -04:00
mbx video: convert mbxfb to use module_platform_driver() 2011-12-19 20:21:43 +00:00
msm video: Add export.h for THIS_MODULE/EXPORT_SYMBOL to drivers/video 2011-10-31 19:31:33 -04:00
nvidia backlight: add backlight type 2011-03-22 17:43:59 -07:00
omap Merge branch 'for-florian' of git://gitorious.org/linux-omap-dss2/linux into fbdev-next 2012-01-08 15:30:34 +00:00
omap2 OMAPDSS: HDMI: PHY burnout fix 2012-01-26 13:51:36 +02:00
pnx4008 video: pnx4008: convert drivers/video/pnx4008/* to use module_platform_driver() 2011-12-19 20:21:43 +00:00
riva backlight: add backlight type 2011-03-22 17:43:59 -07:00
savage video: Add module.h to drivers/video files who really use it. 2011-10-31 19:31:33 -04:00
sis sisfb: use display information in info not in var for panning 2011-08-19 10:34:52 +02:00
vermilion atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
via viafb: correct sync polarity for OLPC DCON 2011-11-22 00:56:17 +00:00
68328fb.c 68328fb: use display information in info not in var for panning 2011-08-19 10:28:58 +02:00
acornfb.c acornfb: use display information in info not in var for panning 2011-08-19 10:29:34 +02:00
acornfb.h
amba-clcd.c clk: amba-clcd: convert to clk_prepare()/clk_unprepare() 2011-09-27 09:25:51 +01:00
amifb.c fbdev/amifb: Use framebuffer_alloc() 2011-12-03 22:03:32 +00:00
arcfb.c video: Convert vmalloc/memset to vzalloc 2011-06-02 17:25:35 +09:00
arkfb.c arkfb: use display information in info not in var for panning 2011-08-19 10:29:44 +02:00
asiliantfb.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
atafb_iplan2p2.c
atafb_iplan2p4.c
atafb_iplan2p8.c
atafb_mfb.c
atafb_utils.h
atafb.c m68k/atari: Do not use "/" in interrupt names 2011-05-19 18:19:10 +02:00
atafb.h
atmel_lcdfb.c Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual." 2012-01-11 22:29:30 +00:00
au1100fb.c fb: fix au1100fb bitrot. 2011-10-03 15:52:38 +00:00
au1100fb.h fb: fix au1100fb bitrot. 2011-10-03 15:52:38 +00:00
au1200fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
au1200fb.h
bf54x-lq043fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
bf537-lq035.c fbdev: bf537-lq035: add missing blacklight properties type 2011-06-02 17:07:35 +09:00
bfin_adv7393fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
bfin_adv7393fb.h Fix common misspellings 2011-03-31 11:26:23 -03:00
bfin-lq035q1-fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
bfin-t350mcqb-fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
broadsheetfb.c video: Convert vmalloc/memset to vzalloc 2011-06-02 17:25:35 +09:00
bt431.h
bt455.h
bw2.c dt/video: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
c2p_core.h fbdev: c2p/atafb - Add support for Atari interleaved bitplanes 2009-01-12 20:56:31 +01:00
c2p_iplan2.c fbdev: c2p/atafb - Add support for Atari interleaved bitplanes 2009-01-12 20:56:31 +01:00
c2p_planar.c fbdev: c2p - Rename c2p to c2p_planar 2009-01-12 20:56:32 +01:00
c2p.h fbdev: c2p - Rename c2p to c2p_planar 2009-01-12 20:56:32 +01:00
carminefb_regs.h
carminefb.c video: Add module.h to drivers/video files who really use it. 2011-10-31 19:31:33 -04:00
carminefb.h
cfbcopyarea.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cfbfillrect.c fbdev: fix fillrect for 24bpp modes 2009-05-06 16:36:10 -07:00
cfbimgblt.c
cg3.c dt/video: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
cg6.c video: add missing framebuffer_release in error path 2011-03-22 16:35:44 +09:00
cg14.c video: add missing framebuffer_release in error path 2011-03-22 16:35:44 +09:00
chipsfb.c console: rename acquire/release_console_sem() to console_lock/unlock() 2011-01-26 10:50:06 +10:00
cirrusfb.c fbdev/cirrusfb: Add support for "64 MiB" version of Picasso IV 2011-11-11 16:55:55 +00:00
clps711xfb.c clps711xfb: convert to proc_fops 2009-12-16 07:20:04 -08:00
cobalt_lcdfb.c video: Add module.h to drivers/video files who really use it. 2011-10-31 19:31:33 -04:00
controlfb.c Drivers: video: controlfb: fixed a brace coding style issue 2011-11-22 01:00:16 +00:00
controlfb.h
cyber2000fb.c VIDEO: cyberpro: remove unused cyber2000fb_get_fb_var() 2011-02-11 10:16:07 +00:00
cyber2000fb.h VIDEO: cyberpro: remove unused cyber2000fb_get_fb_var() 2011-02-11 10:16:07 +00:00
da8xx-fb.c video:da8xx-fb: Disable and reset sequence on version2 of LCDC 2011-11-22 00:55:53 +00:00
dnfb.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
edid.h video: Fix EDID macros H_SYNC_WIDTH and H_SYNC_OFFSET 2011-03-22 16:45:03 +09:00
efifb.c efifb: Fix call to wrong unregister function 2011-06-14 16:37:46 +09:00
ep93xx-fb.c video: Add module.h to drivers/video files who really use it. 2011-10-31 19:31:33 -04:00
epson1355fb.c Update broken web addresses in the kernel. 2010-10-18 11:03:14 +02:00
fb_ddc.c video: Add module.h to drivers/video files who really use it. 2011-10-31 19:31:33 -04:00
fb_defio.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x into fbdev-next 2011-08-29 09:14:30 +00:00
fb_draw.h fbdev: fix fillrect for 24bpp modes 2009-05-06 16:36:10 -07:00
fb_notify.c video: Add export.h for THIS_MODULE/EXPORT_SYMBOL to drivers/video 2011-10-31 19:31:33 -04:00
fb_sys_fops.c
fb-puv3.c fbdev: unicore32: use display information in info not in var for panning 2011-08-19 10:31:01 +02:00
fbcmap.c framebuffer: fix fbcmap.c kernel-doc warning 2010-11-26 15:05:08 +09:00
fbcvt.c Update broken web addresses in the kernel. 2010-10-18 11:03:14 +02:00
fbmem.c fbdev: Add FOURCC-based format configuration API 2011-12-19 20:07:13 +00:00
fbmon.c fbdev: fix parsing of standard timings 2011-09-01 00:31:05 +00:00
fbsysfs.c fb: avoid possible deadlock caused by fb_set_suspend 2011-09-02 17:58:29 +00:00
ffb.c video: ffb: fix ffb_probe error path 2011-03-22 16:18:51 +09:00
fm2fb.c Fix common misspellings 2011-03-31 11:26:23 -03:00
fsl-diu-fb.c drivers/video: fsl-diu-fb: merge fsl_diu_alloc() into map_video_memory() 2012-01-03 15:59:09 +00:00
g364fb.c g364fb: use display information in info not in var for panning 2011-08-19 10:31:09 +02:00
gbefb.c Fix common misspellings 2011-03-31 11:26:23 -03:00
grvga.c grvga: fix section mismatch warnings 2012-01-03 16:02:55 +00:00
gxt4500.c gxt4500: use display information in info not in var for panning 2011-08-19 10:31:17 +02:00
hecubafb.c hecubafb: add module_put on error path in hecubafb_probe() 2011-06-24 17:00:39 +09:00
hgafb.c hgafb: use display information in info not in var for panning 2011-08-19 10:31:28 +02:00
hitfb.c hitfb: fix sections 2010-05-25 08:07:09 -07:00
hpfb.c video: hpfb: use resource_size() 2011-03-22 16:07:32 +09:00
igafb.c doc: fix broken references 2011-09-27 18:08:04 +02:00
imsttfb.c imsttfb: use display information in info not in var for panning 2011-08-19 10:31:39 +02:00
imxfb.c drivers/video/imxfb.c: add missing clk_put 2011-06-02 17:07:41 +09:00
jz4740_fb.c console: rename acquire/release_console_sem() to console_lock/unlock() 2011-01-26 10:50:06 +10:00
Kconfig Merge commit 'v3.2-rc2' into fbdev-next 2011-11-21 23:42:06 +00:00
leo.c dt/video: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
macfb.c macfb: fix 24-bit visual and stuff 2010-02-27 18:31:16 +01:00
macmodes.c fbdev: add some missing mac modes 2010-02-27 18:31:14 +01:00
macmodes.h
Makefile fbdev: remove display subsystem 2011-11-11 16:46:18 +00:00
maxinefb.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
metronomefb.c video: Convert vmalloc/memset to vzalloc 2011-06-02 17:25:35 +09:00
modedb.c fbdev: fix indentation in modedb.c 2011-09-14 16:40:52 +00:00
mx3fb.c mx3fb: fix NULL pointer dereference in screen blanking. 2011-10-03 15:52:32 +00:00
mxsfb.c MXSFB: Fix driver registration 2011-12-21 02:24:30 +00:00
n411.c
neofb.c neofb: use display information in info not in var for panning 2011-08-19 10:33:02 +02:00
nuc900fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
nuc900fb.h Fix common misspellings 2011-03-31 11:26:23 -03:00
offb.c of/address: Clean up function declarations 2010-08-01 01:42:42 -06:00
output.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
p9100.c dt/video: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
platinumfb.c video: platinumfb: Add __devexit_p at necessary place 2011-10-15 00:19:58 +00:00
platinumfb.h
pm2fb.c pm2fb: use display information in info not in var for panning 2011-08-19 10:33:16 +02:00
pm3fb.c pm3fb: use display information in info not in var for panning 2011-08-19 10:34:01 +02:00
pmag-aa-fb.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pmag-ba-fb.c VIDEO: PMAG-BA: Fix section mismatch 2010-07-26 19:08:14 +01:00
pmagb-b-fb.c VIDEO: PMAGB-B: Fix section mismatch 2010-07-26 19:08:15 +01:00
ps3fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
pvr2fb.c sh: Fix up more 64-bit pgprot truncation on SH-X2 TLB. 2010-02-17 13:23:00 +09:00
pxa3xx-gcu.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
pxa3xx-gcu.h video: add driver for PXA3xx 2D graphics accelerator 2010-12-16 14:31:18 +08:00
pxa168fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
pxa168fb.h fb: add support of LCD display controller on pxa168/910 (base layer) 2009-06-13 00:09:09 +08:00
pxafb.c Merge branch 'next/fixes' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 19:55:06 -07:00
pxafb.h ARM: pxafb: rework pxafb overlay memory management 2011-03-16 17:37:03 +08:00
q40fb.c fbdev/m68k: Fix section mismatches in q40fb.c 2010-10-22 09:43:25 +02:00
s1d13xxxfb.c s1d13xxxfb: drop unused code 2010-12-21 01:05:43 +09:00
s3c2410fb.c video: s3c2410: fix checkpatch error and warnings 2011-12-03 22:10:43 +00:00
s3c2410fb.h s3c-fb: CPUFREQ frequency scaling support 2009-06-16 19:47:59 -07:00
s3c-fb.c video: s3c-fb: Don't keep device runtime active when open 2012-01-03 16:00:05 +00:00
s3fb.c s3fb: fix Virge/VX 2011-12-21 02:25:21 +00:00
sa1100fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
sa1100fb.h sa1100fb: fix color component length for pseudocolor modes 2009-04-13 15:04:29 -07:00
sbuslib.c Drivers: video: sbuslib: fixed a brace coding style issue 2011-11-22 01:00:24 +00:00
sbuslib.h
sgivwfb.c sgivwfb: fix sections 2010-05-25 08:07:09 -07:00
sh7760fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
sh_mipi_dsi.c fbdev: sh_mipi_dsi: fixup setup timing DSICTRL 2011-11-21 23:43:22 +00:00
sh_mobile_hdmi.c fb: sh-mobile: Fix deadlock risk between lock_fb_info() and console_lock() 2011-09-02 18:21:21 +00:00
sh_mobile_lcdcfb.c fbdev: sh_mobile_lcdc: Support FOURCC-based format API 2011-12-19 20:07:13 +00:00
sh_mobile_lcdcfb.h fbdev: sh_mobile_lcdc: Restart LCDC in runtime PM resume handler 2011-08-19 08:22:41 +02:00
sh_mobile_meram.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
skeletonfb.c video: Fix speficied typo 2011-06-24 17:14:39 +09:00
sm501fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
smscufx.c smscufx: change edid data to u8 instead of char 2011-10-03 15:52:05 +00:00
sstfb.c Fix common misspellings 2011-03-31 11:26:23 -03:00
sticore.h Fix common misspellings 2011-03-31 11:26:23 -03:00
stifb.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
sunxvr500.c Merge branch 'master' into export-slabh 2010-04-05 11:37:28 +09:00
sunxvr1000.c dt/video: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
sunxvr2500.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
svgalib.c svga: Make svga_set_timings() take an iomem regbase pointer. 2011-03-22 15:47:22 +09:00
syscopyarea.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sysfillrect.c fbdev: fix fillrect for 24bpp modes 2009-05-06 16:36:10 -07:00
sysimgblt.c
tcx.c video: add missing framebuffer_release in error path 2011-03-22 16:35:44 +09:00
tdfxfb.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tgafb.c fix typos concerning "initiali[zs]e" 2010-06-16 18:05:05 +02:00
tmiofb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
tridentfb.c tridentfb: use display information in info not in var for panning 2011-08-19 10:35:18 +02:00
udlfb.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x into fbdev-next 2011-08-29 09:14:30 +00:00
uvesafb.c uvesafb,vesafb: create WC or WB PAT-entries 2011-03-22 16:20:44 +09:00
valkyriefb.c video: Fix speficied typo 2011-06-24 17:14:39 +09:00
valkyriefb.h valkyriefb: various fixes 2010-02-27 18:31:13 +01:00
vesafb.c vesafb: fix memory leak 2011-07-04 16:02:48 +09:00
vfb.c vfb: use display information in info not in var for panning 2011-08-19 10:35:27 +02:00
vga16fb.c vga16fb: use display information in info not in var for panning 2011-08-19 10:35:34 +02:00
vgastate.c
vt8500lcdfb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
vt8500lcdfb.h ARM: Add support for the display controllers in VT8500 and WM8505 2010-11-09 18:52:07 +09:00
vt8623fb.c vt8623fb: use display information in info not in var for panning 2011-08-19 10:36:20 +02:00
w100fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
w100fb.h
wm8505fb_regs.h ARM: Add support for the display controllers in VT8500 and WM8505 2010-11-09 18:52:07 +09:00
wm8505fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
wmt_ge_rops.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
wmt_ge_rops.h ARM: Add support for the display controllers in VT8500 and WM8505 2010-11-09 18:52:07 +09:00
xen-fbfront.c video: Convert vmalloc/memset to vzalloc 2011-06-02 17:25:35 +09:00
xilinxfb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00