unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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kernel-hacking-2024-linux-s.../drivers/video
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Antonino A. Daplas f8020dc560 [PATCH] savagefb: Add state save and_restore hooks 
Reported by: Rich (Bugzilla Bug 6417)

"if savage driver is used in x.org together with savagefb, it results in
seriously garbled and distorted screen - coupled with severe slowdowns."

This bug is the result of Xorg unable to handle savagefb altering the
hardware which results in X failing to start properly and/or failed console
switching.

Add savagefb_state_save and savagefb_state_restore. These hooks will only
save and restore the extended VGA registers.  Standard VGA registers will be
left alone.  This is enough to make savagefb play nicely with the latest
Xorg savage driver, and perhaps with savage DRI. (Transient screen artifacts
may appear before X loads and during console switches).

(Unfortunately, blanking the screen also leaves Xorg in a blanked state, so I
have to unblank the screen before Xorg loads.  So I doubt if the transient
screen artifacts will be completely invisible but hopefully it will only be
for a shorter duration (not much).)

[akpm@osdl.org: cleanups]
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Cc: <rich@hq.vsaa.lv>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-26 09:58:28 -07:00
..
aty [PATCH] Rewritten backlight infrastructure for portable Apple computers 2006-06-25 10:00:59 -07:00
backlight [PATCH] Backlight/LCD Class: Fix sysfs _store error handling 2006-05-15 11:20:56 -07:00
console [PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use 2006-06-22 15:05:58 -07:00
geode [PATCH] fbdev: framebuffer driver for Geode GX 2006-03-27 08:44:55 -08:00
i810 [PATCH] i810 section fix 2006-05-21 12:59:22 -07:00
intelfb intelfb delousing 2006-06-24 17:22:17 +10:00
kyro [PATCH] kyrofb: Fix uninitialized value 2006-03-11 09:19:35 -08:00
logo kbuild: drivers/video/logo/ - fix ident glitch 2006-04-30 23:59:16 +02:00
matrox V4L/DVB (4210a): git-dvb versus matroxfb 2006-06-25 02:05:25 -03:00
nvidia [PATCH] Rewritten backlight infrastructure for portable Apple computers 2006-06-25 10:00:59 -07:00
riva [PATCH] Rewritten backlight infrastructure for portable Apple computers 2006-06-25 10:00:59 -07:00
savage [PATCH] savagefb: Add state save and_restore hooks 2006-06-26 09:58:28 -07:00
sis [PATCH] video/sis/init301.c:SiS_ChrontelDoSomething2(): remove dead code 2006-03-27 08:44:58 -08:00
68328fb.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
acornfb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
acornfb.h
amba-clcd.c [ARM] amba-clcd: Allow RGB555 and RGB565 with 16bpp 2006-01-26 14:12:06 +00:00
amifb.c [PATCH] fbdev: Sanitize ->fb_ioctl prototype 2006-01-14 18:27:14 -08:00
arcfb.c [PATCH] arcfb: Fix dereference before NULL check 2006-03-11 09:19:35 -08:00
asiliantfb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
atafb.c [PATCH] fbdev: Sanitize ->fb_ioctl prototype 2006-01-14 18:27:14 -08:00
au1100fb.c [PATCH] au1100fb: Fix compilation 2006-05-31 16:27:11 -07:00
au1100fb.h
au1200fb.c [PATCH] au1200fb: Remove accidentally duplicated content of au1200fb.c 2006-04-29 17:05:11 -07:00
au1200fb.h [PATCH] au1200fb: Alchemy Au1200 framebuffer driver 2006-03-27 08:44:55 -08:00
bt431.h
bt455.h
bw2.c BUG_ON() Conversion in drivers/video/ 2006-03-24 18:53:18 +01:00
c2p.c
c2p.h
cfbcopyarea.c
cfbfillrect.c
cfbimgblt.c [PATCH] fbcon: Fix big-endian bogosity in slow_imageblit() 2006-03-31 12:19:00 -08:00
cg3.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
cg6.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
cg14.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
chipsfb.c [PATCH] Rewritten backlight infrastructure for portable Apple computers 2006-06-25 10:00:59 -07:00
cirrusfb.c [PATCH] powerpc: Kill _machine and hard-coded platform numbers 2006-03-28 23:15:54 +11:00
clps711xfb.c
controlfb.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
controlfb.h
cyber2000fb.c
cyber2000fb.h
cyberfb.c
cyberfb.h
cyblafb.c [PATCH] PCI: cyblafb: remove pci_module_init() return, really. 2006-01-31 18:00:13 -08:00
dnfb.c
edid.h
epson1355fb.c [PATCH] Mark empty release functions as broken 2006-03-20 13:42:57 -08:00
fbcmap.c [PATCH] framebuffer: cmap-setting return values 2006-03-27 08:44:56 -08:00
fbcvt.c
fbmem.c [PATCH] fbdev: Fix return error of fb_write 2006-04-19 09:13:54 -07:00
fbmon.c [PATCH] fbdev: Make BIOS EDID reading configurable 2006-03-27 08:44:55 -08:00
fbsysfs.c [PATCH] Rewritten backlight infrastructure for portable Apple computers 2006-06-25 10:00:59 -07:00
ffb.c BUG_ON() Conversion in drivers/video/ 2006-03-24 18:53:18 +01:00
fm2fb.c
g364fb.c
gbefb.c [PATCH] gbefb: IP32 gbefb depth change fix 2006-02-24 14:31:38 -08:00
hgafb.c
hitfb.c
hpfb.c [PATCH] hp300: fix driver_register() return handling, remove dio_module_init() 2006-03-25 08:22:53 -08:00
igafb.c [PATCH] mm: remove VM_LOCKED before remap_pfn_range and drop VM_SHM 2006-06-25 10:00:55 -07:00
imsttfb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
imxfb.c
imxfb.h
Kconfig [PATCH] Rewritten backlight infrastructure for portable Apple computers 2006-06-25 10:00:59 -07:00
leo.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
macfb.c [PATCH] m68k: fix macfb init 2006-01-12 09:09:05 -08:00
macmodes.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
macmodes.h
Makefile [PATCH] fbdev: Remove old radeon driver 2006-03-31 12:19:01 -08:00
maxinefb.c [PATCH] maxinefb: Fix compilation error 2006-05-31 16:27:11 -07:00
modedb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
neofb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
offb.c
p9100.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
platinumfb.c
platinumfb.h
pm2fb.c [PATCH] fix section mismatch in pm2fb.o 2006-04-20 07:54:03 -07:00
pm3fb.c [PATCH] Remove MODULE_PARM 2006-03-25 08:22:52 -08:00
pmag-aa-fb.c [PATCH] fbdev: Sanitize ->fb_ioctl prototype 2006-01-14 18:27:14 -08:00
pmag-ba-fb.c [PATCH] remove bogus asm/bug.h includes. 2006-02-07 20:56:35 -05:00
pmagb-b-fb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
pvr2fb.c
pxafb.c [PATCH] pxafb: Minor driver fixes 2006-03-31 12:19:00 -08:00
pxafb.h
q40fb.c
retz3fb.c
retz3fb.h
s1d13xxxfb.c [PATCH] s1d13xxxfb: Fix resource leak 2006-03-11 09:19:35 -08:00
s3c2410fb.c [ARM] remove duplicate #includes 2006-02-15 10:13:02 +00:00
s3c2410fb.h
S3triofb.c
sa1100fb.c [PATCH] handle errors returned by platform_get_irq*() 2006-03-20 13:42:57 -08:00
sa1100fb.h
sbuslib.c [SPARC]: Respect vm_page_prot in io_remap_page_range(). 2006-03-22 01:15:13 -08:00
sbuslib.h [SPARC]: Fix sbusfb build. 2006-01-17 15:53:11 -08:00
sgivwfb.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
skeletonfb.c
sstfb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
sticore.h [PARISC] Fix stifb with IOREMAP and a 64-bit kernel 2006-03-30 17:48:47 +00:00
stifb.c [PATCH] Don't pass boot parameters to argv_init[] 2006-03-31 12:18:53 -08:00
sun3fb.c
tcx.c [PATCH] fbdev: Sanitize ->fb_mmap prototype 2006-01-14 18:27:15 -08:00
tdfxfb.c [PATCH] tdfxfb: Fix buffer overrun 2006-03-11 09:19:36 -08:00
tgafb.c
tridentfb.c [PATCH] trident fb section fixes 2006-06-25 10:01:15 -07:00
tx3912fb.c
valkyriefb.c
valkyriefb.h
vesafb.c [PATCH] vesafb: Fix incorrect logo colors in x86_64 2006-04-11 06:18:54 -07:00
vfb.c [PATCH] Mark empty release functions as broken 2006-03-20 13:42:57 -08:00
vga16fb.c [PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use 2006-06-22 15:05:58 -07:00
vgastate.c
virgefb.c [PATCH] drivers/video: Use ARRAY_SIZE macro 2006-03-27 08:44:58 -08:00
virgefb.h
w100fb.c [PATCH] w100fb: Add acceleration support to ATI Imageon 2006-03-31 12:19:00 -08:00
w100fb.h [PATCH] w100fb: Add acceleration support to ATI Imageon 2006-03-31 12:19:00 -08:00