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d3f09691b3583edfabbd0ea04ef3e015df23a708
linux/drivers/video
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Mikulas Patocka dd154e74b0 tgafb: fix mode setting with fbset 
commit 6249665890 upstream.

Mode setting in the TGA driver is broken for these reasons:

- info->fix.line_length is set just once in tgafb_init_fix function. If
  we change videomode, info->fix.line_length is not recalculated - so
  the video mode is changed but the screen is corrupted because of wrong
  info->fix.line_length.

- info->fix.smem_len is set in tgafb_init_fix to the size of the default
  video mode (640x480). If we set a higher resolution,
  info->fix.smem_len is smaller than the current screen size, preventing
  the userspace program from mapping the framebuffer.

This patch fixes it:

- info->fix.line_length initialization is moved to tgafb_set_par so that
  it is recalculated with each mode change.

- info->fix.smem_len is set to a fixed value representing the real
  amount of video ram (the values are taken from xfree86 driver).

- add a check to tgafb_check_var to prevent us from setting a videomode
  that doesn't fit into videoram.

- in tgafb_register, tgafb_init_fix is moved upwards, to be called
  before fb_find_mode (because fb_find_mode already needs the videoram
  size set in tgafb_init_fix).

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-30 21:52:12 -07:00
..
aty
mach64: fix cursor when character width is not a multiple of 8 pixels
2014-05-13 13:59:43 +02:00
backlight
backlight: atmel-pwm-bl: fix reported brightness
2013-12-04 10:55:47 -08:00
console
parisc: sticon - unbreak on 64bit kernel
2013-12-04 10:55:46 -08:00
exynos
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-04-30 09:36:50 -07:00
geode
drivers/video/geode: remove depends on CONFIG_EXPERIMENTAL
2013-01-21 14:52:46 -08:00
i810
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
intelfb
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
kyro
video: kyro: fix incorrect sizes when copying to userspace
2013-12-08 07:29:27 -08:00
logo
…
matrox
matroxfb: restore the registers M_ACCESS and M_PITCH
2014-05-13 13:59:42 +02:00
mb862xx
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
mbx
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
mmp
drivers/video/mmp: remove legacy hw definitions
2013-04-29 15:54:27 -07:00
msm
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
nvidia
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
omap
ARM: OMAP: remove "config FB_OMAP_CONSISTENT_DMA_SIZE"
2013-04-10 15:03:31 +03:00
omap2
Merge branch 'fbdev-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux into linux-fbdev/for-3.10-fixes
2013-05-29 17:00:34 +08:00
riva
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
savage
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sis
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
vermilion
fbdev/vermillion: use vm_iomap_memory()
2013-04-24 08:41:42 +03:00
via
viafb: rename display_timing to via_display_timing
2013-01-24 08:59:44 +01:00
68328fb.c
…
acornfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
acornfb.h
…
amba-clcd.c
…
amifb.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-04-30 09:36:50 -07:00
arcfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
arkfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
asiliantfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
atafb_utils.h
…
atafb.c
…
atafb.h
…
atmel_lcdfb.c
atmel_lcdfb: blank the backlight on remove
2013-06-01 03:18:55 +08:00
au1100fb.c
Fix a few incorrectly checked [io_]remap_pfn_range() calls
2013-11-13 12:05:33 +09:00
au1100fb.h
…
au1200fb.c
Fix a few incorrectly checked [io_]remap_pfn_range() calls
2013-11-13 12:05:33 +09:00
au1200fb.h
…
auo_k190x.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-04-30 09:36:50 -07:00
auo_k190x.h
…
auo_k1900fb.c
AUO-K190x: add runtime-pm calls to controller init functions
2013-04-04 13:08:06 +03:00
auo_k1901fb.c
AUO-K190x: add runtime-pm calls to controller init functions
2013-04-04 13:08:06 +03:00
bf54x-lq043fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
bf537-lq035.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
bfin_adv7393fb.c
procfs: new helper - PDE_DATA(inode)
2013-04-09 14:13:32 -04:00
bfin_adv7393fb.h
…
bfin-lq035q1-fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
bfin-t350mcqb-fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
broadsheetfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
bt431.h
…
bt455.h
…
bw2.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
c2p_core.h
…
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
…
carminefb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
carminefb.h
…
cfbcopyarea.c
framebuffer: fix cfb_copyarea
2014-05-13 13:59:42 +02:00
cfbfillrect.c
…
cfbimgblt.c
…
cg3.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
cg6.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
cg14.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
chipsfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
cirrusfb.c
powerpc: remove PReP platform
2013-04-18 13:03:53 +10:00
clps711xfb.c
ARM defconfigs: add missing inclusions of linux/platform_device.h
2013-02-14 15:14:32 -08:00
cobalt_lcdfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
controlfb.c
fbdev/controlfb: use vm_iomap_memory()
2013-04-24 08:41:41 +03:00
controlfb.h
…
cyber2000fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
cyber2000fb.h
…
da8xx-fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
display_timing.c
video: add display_timing and videomode
2013-01-24 09:03:04 +01:00
dnfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
edid.h
…
efifb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
ep93xx-fb.c
drivers/video/ep93xx-fb.c: fix section mismatch and use module_platform_driver
2013-04-29 15:54:26 -07:00
fb_ddc.c
…
fb_defio.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
fb_draw.h
…
fb_notify.c
…
fb_sys_fops.c
…
fb-puv3.c
fbdev/fb-puv3: use vm_iomap_memory()
2013-04-24 08:41:41 +03:00
fbcmap.c
…
fbcvt.c
…
fbmem.c
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
2013-05-02 19:40:34 -07:00
fbmon.c
Merge branch '3.10/fb-mmap' into for-next
2013-04-26 09:14:47 +03:00
fbsysfs.c
fb: rework locking to fix lock ordering on takeover
2013-02-08 12:02:40 +10:00
ffb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
fm2fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
fsl-diu-fb.c
drivers/video: fsl-diu-fb: add hardware cursor support
2013-04-10 15:03:32 +03:00
g364fb.c
…
gbefb.c
fbdev: improve fb_mmap bounds checks
2013-04-26 08:28:56 +03:00
goldfishfb.c
treewide: Fix typos in printk
2013-03-20 16:26:32 +01:00
grvga.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
gxt4500.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
hdmi.c
video: hdmi: Relicense under MIT
2013-04-12 14:01:40 +10:00
hecubafb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
hgafb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
hitfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
hpfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
hyperv_fb.c
hyperv-fb: add pci stub
2013-11-20 12:27:47 -08:00
i740_reg.h
…
i740fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
igafb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
imsttfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
imxfb.c
Merge tag 'imx-fixes-3.8-3' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
2013-01-23 20:35:02 -08:00
jz4740_fb.c
video: Convert to devm_ioremap_resource()
2013-01-22 11:41:58 -08:00
Kconfig
fbdev: FB_GOLDFISH should depend on HAS_DMA
2013-05-24 16:22:52 -07:00
leo.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
macfb.c
…
macmodes.c
…
macmodes.h
…
Makefile
drivers/video: implement a simple framebuffer driver
2013-05-24 16:22:51 -07:00
maxinefb.c
…
metronomefb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
modedb.c
…
mx3fb.c
drivers/video/mx3fb.c: use NULL for pointer
2013-02-21 17:22:19 -08:00
mxsfb.c
video: mxsfb: Adapt to new videomode API
2013-05-09 13:06:00 -07:00
n411.c
…
neofb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
nuc900fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
nuc900fb.h
…
of_display_timing.c
videomode: combine videomode dmt_flags and data_flags
2013-03-12 15:46:52 +02:00
of_videomode.c
videomode: videomode_from_timing work
2013-03-21 14:34:33 +02:00
offb.c
…
output.c
…
p9100.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
platinumfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
platinumfb.h
…
pm2fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pm3fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pmag-aa-fb.c
…
pmag-ba-fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pmagb-b-fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
ps3fb.c
fbdev/ps3fb: fix compile warning
2013-05-02 14:59:21 +03:00
pvr2fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pxa3xx-gcu.c
pxa3xx-gcu: stop embedding file_operations into device-private object
2013-04-09 14:16:40 -04:00
pxa3xx-gcu.h
…
pxa168fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pxa168fb.h
…
pxafb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pxafb.h
…
q40fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
s1d13xxxfb.c
treewide: Fix typo in printks
2013-04-12 15:21:36 +02:00
s3c2410fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
s3c2410fb.h
…
s3c-fb.c
video/s3c: move platform_data out of arch/arm
2013-04-11 14:49:20 +03:00
s3fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sa1100fb.c
fbdev/sa1100fb: use vm_iomap_memory()
2013-04-24 08:41:41 +03:00
sa1100fb.h
…
sbuslib.c
…
sbuslib.h
…
sgivwfb.c
fbdev/sgivwfb: use vm_iomap_memory()
2013-04-24 08:41:42 +03:00
sh7760fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sh_mipi_dsi.c
drivers: video: use module_platform_driver_probe()
2013-04-10 15:03:31 +03:00
sh_mobile_hdmi.c
drivers: video: use module_platform_driver_probe()
2013-04-10 15:03:31 +03:00
sh_mobile_lcdcfb.c
fbdev: sh_mobile_lcdc: fixup B side hsync adjust settings
2013-03-27 22:47:24 +09:00
sh_mobile_lcdcfb.h
fbdev: sh_mobile_lcdc: Store the backlight brightness internally
2012-11-21 15:50:01 +01:00
sh_mobile_meram.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
simplefb.c
drivers/video: implement a simple framebuffer driver
2013-05-24 16:22:51 -07:00
skeletonfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sm501fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
smscufx.c
fbdev: improve fb_mmap bounds checks
2013-04-26 08:28:56 +03:00
ssd1307fb.c
treewide: Fix typo in printks
2013-04-12 15:21:36 +02:00
sstfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sticore.h
parisc: sticon - unbreak on 64bit kernel
2013-12-04 10:55:46 -08:00
stifb.c
parisc: sticon - unbreak on 64bit kernel
2013-12-04 10:55:46 -08:00
sunxvr500.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sunxvr1000.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sunxvr2500.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
svgalib.c
…
syscopyarea.c
…
sysfillrect.c
…
sysimgblt.c
…
tcx.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
tdfxfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
tgafb.c
tgafb: fix mode setting with fbset
2014-05-30 21:52:12 -07:00
tmiofb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
tridentfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
udlfb.c
fbdev: improve fb_mmap bounds checks
2013-04-26 08:28:56 +03:00
uvesafb.c
video/uvesafb: rename random32() to prandom_u32()
2013-04-29 18:28:43 -07:00
valkyriefb.c
…
valkyriefb.h
…
vesafb.c
…
vfb.c
fbdev: improve fb_mmap bounds checks
2013-04-26 08:28:56 +03:00
vga16fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
vgastate.c
…
videomode.c
videomode: videomode_from_timing work
2013-03-21 14:34:33 +02:00
vt8500lcdfb.c
video: fb: vt8500: Convert framebuffer drivers to standardized binding
2013-04-04 13:07:34 +03:00
vt8500lcdfb.h
…
vt8623fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
w100fb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
w100fb.h
…
wm8505fb_regs.h
…
wm8505fb.c
video: wm8505fb: Convert to devm_ioremap_resource()
2013-04-10 11:15:49 +03:00
wmt_ge_rops.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
wmt_ge_rops.h
video: vt8500: Make wmt_ge_rops optional
2013-04-04 13:07:33 +03:00
xen-fbfront.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
xilinxfb.c
Drivers: video: remove __dev* attributes.
2013-01-03 15:57:01 -08:00