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1f45f9dbb3
linux/drivers/video
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Heiko Stübner 1f45f9dbb3 fb_defio: add first_io callback 
With this optional callback the driver is notified when the first page
is entered into the pagelist and a new deferred_io call is scheduled.

A possible use-case for this is runtime-pm. In the first_io call
	pm_runtime_get()
could be called, which starts an asynchronous runtime_resume of the
device. In the deferred_io callback a call to
	pm_runtime_barrier()
makes the sure, the device is resumed by then and a
	pm_runtime_put()
may put the device back to sleep.

Also, some SoCs may use the runtime-pm system to determine if they
are able to enter deeper idle states. Therefore it is necessary to
keep the use-count from the first written page until the conclusion
of the screen update, to prevent the system from going to sleep before
completing the pending update.

Two users of defio were using kmalloc to allocate the structure.
These allocations are changed to kzalloc, to prevent uninitialised
.first_io members in those drivers.

Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-04-29 19:35:31 +00:00
..
aty module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
backlight ARM: SoC fixes for 3.4-rc2 2012-04-05 22:13:39 -07:00
console Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
exynos video: exynos_dp: add analog and pll control setting 2012-04-16 04:19:00 +00:00
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 fbdev fixes for 3.3 2012-02-07 15:54:02 -08:00
kyro kyrofb: fix on x86_64 2012-04-08 14:27:08 +00:00
logo module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
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 drivers/video/mbx/mbxfb.c: correct ioremap_nocache test 2012-04-21 21:48:48 +00:00
msm video: msm: Fix section mismatches in mddi.c 2012-04-18 17:10:34 +00:00
nvidia drivers/video/nvidia/nvidia.c: fix warning 2012-01-12 20:13:03 -08:00
omap ARM: board specific updates 2012-03-27 16:27:28 -07:00
omap2 ARM: cleanups of io includes 2012-03-29 18:02:10 -07:00
pnx4008 video: pnx4008: convert drivers/video/pnx4008/* to use module_platform_driver() 2011-12-19 20:21:43 +00:00
riva riva/fbdev: fix several -Wuninitialized 2012-02-13 02:59:14 +00:00
savage Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
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 Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6 into fbdev-next 2012-03-13 23:19:58 +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 fbdev: amba: Enable module alias autogeneration for AMBA drivers 2011-11-22 10:58:33 +00:00
amifb.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
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 atmel_lcdfb: support 16bit BGR:565 mode, remove unsupported 15bit modes 2012-01-28 19:54:10 +00:00
au1100fb.c fbdev: fix au1*fb builds 2012-04-08 14:27:09 +00:00
au1100fb.h fb: fix au1100fb bitrot. 2011-10-03 15:52:38 +00:00
au1200fb.c fbdev: fix au1*fb builds 2012-04-08 14:27:09 +00:00
au1200fb.h
bf54x-lq043fb.c video: use gpio_request_one 2012-01-28 20:50:11 +00:00
bf537-lq035.c video: use gpio_request_one 2012-01-28 20:50:11 +00:00
bfin_adv7393fb.c fbdev: bfin_adv7393fb: Drop needless include 2012-03-21 10:27:37 +00:00
bfin_adv7393fb.h Fix common misspellings 2011-03-31 11:26:23 -03:00
bfin-lq035q1-fb.c video: use gpio_request_one 2012-01-28 20:50:11 +00:00
bfin-t350mcqb-fb.c treewide: Fix comment and string typo 'bufer' 2011-12-06 09:53:40 +01:00
broadsheetfb.c video: Convert vmalloc/memset to vzalloc 2011-06-02 17:25:35 +09:00
bt431.h Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
bt455.h Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
bw2.c dt/video: Eliminate users of of_platform_{,un}register_driver 2011-02-28 13:22:45 -07:00
c2p_core.h
c2p_iplan2.c
c2p_planar.c
c2p.h
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
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 Merge branch 'fbdev-next' of git://github.com/schandinat/linux-2.6 2012-01-14 15:11:19 -08:00
clps711xfb.c clps711xfb: convert to proc_fops 2009-12-16 07:20:04 -08:00
cobalt_lcdfb.c cobalt_lcdfb: LCD panel framebuffer support for SEAD-3 platform. 2012-04-29 19:34:05 +00:00
controlfb.c Drivers: video: controlfb: fixed a brace coding style issue 2011-11-22 01:00:16 +00:00
controlfb.h
cyber2000fb.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
cyber2000fb.h VIDEO: cyberpro: remove unused cyber2000fb_get_fb_var() 2011-02-11 10:16:07 +00:00
da8xx-fb.c fbdev: da8xx: add support for SP10Q010 display 2012-03-19 22:59:47 +00:00
dnfb.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
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 drivers/video/ep93xx-fb.c: clean up error-handling code 2012-04-21 21:47:49 +00:00
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 fb_defio: add first_io callback 2012-04-29 19:35:31 +00:00
fb_draw.h
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 udlfb: remove sysfs framebuffer device with USB .disconnect() 2012-03-15 13:35:22 +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: compile fixes for fsl-diu-fb.c 2012-01-28 19:35:24 +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 module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
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
i740_reg.h Resurrect Intel740 driver: i740fb 2012-02-15 04:31:21 +00:00
i740fb.c i740fb: fix compile error when CONFIG_MTRR is not selected 2012-02-19 19:11:51 +00:00
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 cobalt_lcdfb: LCD panel framebuffer support for SEAD-3 platform. 2012-04-29 19:34:05 +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 black and white modes 2012-01-22 14:50:02 +01:00
macmodes.c fbdev: add some missing mac modes 2010-02-27 18:31:14 +01:00
macmodes.h
Makefile Resurrect Intel740 driver: i740fb 2012-02-15 04:31:21 +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 dmaengine/dma_slave: introduce inline wrappers 2012-03-21 19:20:22 +05:30
mxsfb.c i.MX28: Shut down the LCD controller to avoid BootROM sampling bug 2012-04-21 21:53:12 +00:00
n411.c
neofb.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
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 offb: Fix setting of the pseudo-palette for >8bpp 2012-01-03 12:09:25 +11:00
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 module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
pm3fb.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
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 Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
pmagb-b-fb.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ps3fb.c video: irq: Remove IRQF_DISABLED 2011-10-03 15:52:22 +00:00
pvr2fb.c drivers/video/pvr2fb.c: ensure arguments to request_irq and free_irq are compatible 2012-03-13 23:17:31 +00:00
pxa3xx-gcu.c video: pxa3xx-gcu: Simplify the logic to exit while loop in pxa3xx_gcu_wait_idle 2012-04-09 16:18:15 +00:00
pxa3xx-gcu.h video: add driver for PXA3xx 2D graphics accelerator 2010-12-16 14:31:18 +08:00
pxa168fb.c drivers/video/pxa168fb.c: use devm_ functions 2012-02-24 00:49:59 +00:00
pxa168fb.h
pxafb.c video: pxafb: add clk_prepare/clk_unprepare calls 2012-03-21 10:29:01 +00:00
pxafb.h ARM: pxafb: rework pxafb overlay memory management 2011-03-16 17:37:03 +08:00
q40fb.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
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.c video: s3c-fb: add runtime_get/put to suspend/resume 2012-04-16 04:17:59 +00:00
s3fb.c s3fb: fix Virge/VX 2011-12-21 02:25:21 +00:00
sa1100fb.c FB: sa11x0: convert to use platform resource and ioremap() 2012-02-24 09:39:59 +00:00
sa1100fb.h FB: sa11x0: convert to use platform resource and ioremap() 2012-02-24 09:39:59 +00:00
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: add extra phyctrl for sh_mipi_dsi_info 2012-03-21 07:24:01 +00:00
sh_mobile_hdmi.c fbdev: sh_mobile_hdmi: Don't access LCDC fb_info 2012-03-12 22:40:54 +01:00
sh_mobile_lcdcfb.c fbdev: sh_mobile_meram: Remove unneeded sanity checks 2012-03-12 22:41:14 +01:00
sh_mobile_lcdcfb.h fbdev: sh_mobile_lcdc: Don't store copy of platform data 2012-03-12 22:41:12 +01:00
sh_mobile_meram.c fbdev: sh_mobile_meram: Implement system suspend/resume 2012-03-12 22:41:14 +01:00
skeletonfb.c skeletonfb: fixed module exit function typo. 2012-04-15 21:44:02 +00:00
sm501fb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00
smscufx.c fb_defio: add first_io callback 2012-04-29 19:35:31 +00:00
sstfb.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
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
sysimgblt.c
tcx.c video: add missing framebuffer_release in error path 2011-03-22 16:35:44 +09:00
tdfxfb.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
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 fb_defio: add first_io callback 2012-04-29 19:35:31 +00:00
uvesafb.c video:uvesafb: Fix oops that uvesafb try to execute NX-protected page 2012-04-09 16:05:57 +00:00
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 module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
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 Xen: consolidate and simplify struct xenbus_driver instantiation 2012-01-04 17:01:17 -05:00
xilinxfb.c video: convert drivers/video/* to use module_platform_driver() 2011-12-03 22:08:42 +00:00