- 24 Jul, 2008 40 commits
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Nicolas Ferre authored
Avoid division by zero in atmel_lcdfb_check_var() function. If pixclock is not specified while passing a var structure in the check_var() funtion, a division by zero occurs (when translating pixclock to KHz). This patch adds a checking of this value and try to choose a video mode in the modelist. The mode found in the probe function in added to the modelist. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Andrew Victor <linux@maxim.org.za> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Krzysztof Helt authored
It updates skeletonfb to new platform driver API. The skeletonfb is templates for creating new drivers. Signed-off-by:
Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by:
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Akinobu Mita authored
Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Ville Syrjala authored
The argument to iounmap() is void __iomem *. Fix the cast. Signed-off-by:
Ville Syrjala <syrjala@sci.fi> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Ville Syrjala authored
Properly propagate errors to the probe function. Signed-off-by:
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Ville Syrjala authored
Convert atyfb to use a PCI device ID table. Signed-off-by:
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Ville Syrjala authored
Atari probe code relies on correct_chipset() failing if the device is not a mach64 GX/CX. aty_chips[] array would be indexed with -1 in that case. Signed-off-by:
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Olaf Hering authored
Remove dead code. This will slightly change the behaviour of the driver on systems that support backlight control. Previously they would just turn the backlight off using the backlight control but now the generic LCD code will also turn off the LCD using the POWER_MANAGEMENT register. Signed-off-by:
Olaf Hering <olaf@aepfle.de> Signed-off-by:
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Ville Syrjala authored
The xoffset, yoffset and yres members of fb_var_screeninfo are __u32. Make them unsigned in the code as well. Signed-off-by:
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Ville Syrjala authored
The width and height members of fb_var_screeninfo are __u32. The code initializes them to -1 which seems wrong, and 0 seems like an equally good default value. Signed-off-by:
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Krzysztof Helt authored
Convert the hgafb driver to use new platform driver API. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9689Signed-off-by:
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Frans Pop authored
The Kconfig help for the vfb driver says: Do NOT enable it for normal systems! To protect the innocent, it has to be enabled explicitly at boot time using the kernel option `video=vfb:'. This change lets the code match the description. Support for vfb:disable is kept for backwards compatibility; vfb:off works because it is tested at a higher level. Note: any undefined option (e.g. vfb:enable) will also enable this driver. The relevant code has been unchanged since before the migration to git (2.6.12). This patch fixes bugzilla #9310 and was the root cause behind http://lkml.org/lkml/2008/5/31/220. Signed-off-by:
Frans Pop <elendil@planet.nl> Cc: Antonino A. Daplas <adaplas@gmail.com> Acked-by:
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Magnus Damm authored
This is the SuperH Mobile LCDC frame buffer driver V2, adding support for the LCDC block found in SuperH Mobile processors. The hardware supports up to two LCD panels per LCDC block, and both RGB and SYS interfaces can be used to hook up LCD panels/modules. The device driver is a regular platform driver, so LCD configuration and board specific hooks are passed to the driver using platform data. LCD modules using SYS interface often require special configuration using the SYS bus, and to solve this cleanly the driver provides SYS interface operations to the board code. Tested on sh7723 and sh7722 processors with a SYS16A QVGA panel and WVGA panels using RGB16 and RGB18 interfaces. Signed-off-by:
Magnus Damm <damm@igel.co.jp> Acked-by:
Paul Mundt <lethal@linux-sh.org> Reviewed-by:
Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Krzysztof Helt authored
These checks and assignments are done by a higher layer so remove them from the driver. Signed-off-by:
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Krzysztof Helt authored
Use constants and functions from the vga.h file. Also add module description. Signed-off-by:
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Krzysztof Helt authored
Small step toward unification of mode setting parameter. This is required to fix the Bugzilla's bug 9847 Signed-off-by:
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Krzysztof Helt authored
Make the tridentfb documentation closer to current state of the tridentfb driver. Fix also some formatting. Signed-off-by:
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Krzysztof Helt authored
Make more drivers use the "mode_option" parameter. This one is quite new so drop the old "mode" parameter before someone starts using it seriously. Signed-off-by:
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Krzysztof Helt authored
Make logo_height variable local in the only function it is used. Signed-off-by:
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Nicolas Ferre authored
Manage atmel_lcdfb FIFO underflow Resetting the LCD and DMA allows to fix screen shifting after a FIFO underflow. It follows reset sequence from errata "LCD Screen Shifting After a Reset". Signed-off-by:
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Roel Kluin authored
dx and dy are u32's, so the test should occur before the subtraction Signed-off-by:
Roel Kluin <12o3l@tiscali.nl> Cc: Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Roel Kluin authored
dx and dy are u32's, so the test should occur before the subtraction Signed-off-by:
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Roel Kluin authored
dx and dy are u32's, so the test should occur before the subtraction Signed-off-by:
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Roel Kluin authored
pll->post_divider is unsigned, so the test fails Signed-off-by:
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Tony Breeds authored
Current kernel builds warn about: drivers/video/aty/radeon_base.c: In function 'radeonfb_pci_register': drivers/video/aty/radeon_base.c:2334: warning: ignoring return value of 'sysfs_create_bin_file', declared with attribute warn_unused_result drivers/video/aty/radeon_base.c:2336: warning: ignoring return value of 'sysfs_create_bin_file', declared with attribute warn_unused_result Do minimal checking of these functions and issue a warning if either fails. They don't seem to be critical.. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Tony Breeds <tony@bakeyournoodle.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Matthias Kaehlcke authored
The semaphore ctrlr_sem is used as a mutex. Convert it to the mutex API Signed-off-by:
Matthias Kaehlcke <matthias@kaehlcke.net> Signed-off-by:
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Matthias Kaehlcke authored
The semaphore ctrlr_sem is used as a mutex. Convert it to the mutex API. Signed-off-by:
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Adrian Bunk authored
This patch removes compat code for older kernel versions. Signed-off-by:
Adrian Bunk <bunk@kernel.org> Cc: <thomas@winischhofer.net> Signed-off-by:
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Roland Kletzing authored
mdacon incorrectly detects MDA hardware on systems without such graphics card. One may load this module by chance, for example when doing some systematical module-testing, and if there is no Monochrome Display Adapter attached , module init renders vc1-16 completely unusable. I and others have run into this more than once. see [Bug 224522 - modprobe mdacon freezes machine -> https://bugzilla.novell.com/show_bug.cgi?id=224522 ] for example Apparently proper MDA detection seems to be broken for a long time - seems to be related to those #ifdef TEST_MDA_B statements added by Edward Betts. this commit back in 2002 made things even worse : http://git.kernel.org/?p=linux/kernel/git/tglx/history.git;a=commit;h=c72757b49c88914433244757fb4967fc63546685 It changed default vc allocation from 13-16 to 1-16 for no apparent reason (!?) , and with that (and without X), mdacon grabs the vc you`re currently sitting on and locks you out. this is from Kconfig : >config MDA_CONSOLE > depends on !M68K && !PARISC && ISA > tristate "MDA text console (dual-headed) (EXPERIMENTAL)" > ---help--- > Say Y here if you have an old MDA or monochrome Hercules graphics > adapter in your system acting as a second head ( = video card). You > will then be able to use two monitors with your Linux system. Do not > say Y here if your MDA card is the primary card in your system; the > normal VGA driver will handle it. As we can see mdacon is just meant as an additional driver for dual-head setup, and since kernel 2.4.36 still defaults to vc13-16 , setting the default back to that value again shouldn`t do any harm. Hereby i'm reverting that change, setting default back to to vc13-16 again. Besides the fact that mdacon may be rarely or never be used these days and could perhaps put to trash anyway (pre-dinosaur hardware!), indeed this is not a real solution, but at least it removes the unfortunate side-effect of messing up the vc you`re working on. Signed-off-by:
Roland Kletzing <devzero@web.de> Cc: James Simmons <jsimmons@infradead.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Tim Schmielau <tim@physik3.uni-rostock.de> Cc: Jan Engelhardt <jengelh@gmx.de> Signed-off-by:
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Krzysztof Helt authored
The tridentfb driver should handle now all chipsets handled by the cyblafb driver. Remove the message which claims that support will be removed. Signed-off-by:
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Krzysztof Helt authored
Add imageblit acceleration for the Blade3D family of cores. The code is based on code from the cyblafb driver. It is a step toward assimilating back the cyblafb driver into the tridentfb driver. The cyblafb driver handles a subfamily of the Trident Blade3d cores. Signed-off-by:
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Krzysztof Helt authored
This patch fixes following problems: - does not allow the m parameter to reach 0 as it locks the graphics core (power cycle needed) - for the newer chips (with new clock registers) does not allow of n / m ratio below 4 as it gives unstable image on the Blade3D core - extend shift parameter (k) range to 2 for the newer chips to cope with the n /m >= 4 limit at low resolution (bandwidth) modes - prefer modes with higher n / m ratio (higher k values) Signed-off-by:
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Krzysztof Helt authored
The Trident cards uses only 20-bit address of screen start in double words. This allows addressing for only 4MB of video memory so check this. Also remove some redundant checks and assignments. Signed-off-by:
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Krzysztof Helt authored
Fix depth setting for 8 bpp mode. The nice 224 color logo is not displayed in 8 bpp depth without this fix. Signed-off-by:
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Krzysztof Helt authored
This patch fixes two problems when acceleration is enabled: - console switch from the Xorg locks up the computer because the Xorg code locks some registers and disables the mmio mode, so reenable these in the tridentfb_set_par() and enable_mmio() - blacklist the Image975 chipset from setting PCI burst mode. This helps with random lock ups of the framebuffer on this chip. The same fix is probably needed for the Xorg as well. Signed-off-by:
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Krzysztof Helt authored
This patch contains general source code improvments: - more simple functions are inline - removes some meaningless output and the VERSION string as it is no use - eng_par is moved into the tridentfb_par - removed small section of code for CyberBladeXPAi1 which is maybe right for only one resolution and refresh rate and is probably redundant now - other minor improvements Signed-off-by:
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Krzysztof Helt authored
This patch replaces deprecated constant FB_ACCELF_TEXT with FBINFO_HWACCEL_DISABLED and adds constants for Trident families of accelerators. The FBINFO_HWACCEL_DISABLED is correctly used so noaccel parameter works now. Signed-off-by:
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Krzysztof Helt authored
This patch fixes few issues related to timings and pixclock generation: - disallow the pixclocks with numerator lower than double denominator. This fixes display instability for some modes. - choose the pixelclock with the highest numerator and denominator values. This improve image quality and fixes display instability for some modes. - make interlaced modes work. - set synchronization pulses polarization correctly. - horizontal synchronization timing are now the same as generated by X. Signed-off-by:
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Krzysztof Helt authored
This patch fixes two problems when acceleration is enabled: - bit for bitblt direction is corrected so scrolling down works as expected on 3DImage chips - initialization of acceleration is done later this helps with initial console malfuntion (on Blade3D chips) well documented here: http://marc.info/?l=linux-fbdev-users&m=111386953124478&w=2Signed-off-by:
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Krzysztof Helt authored
This patch brings various acceleration improvements: - set copyarea/fillrect for non-accelerated framebuffer (fix) - remove 15 bpp depth handling to simplify code as it hardly works (15 bpp handling was obviously missing in some switches) - add fb_sync call and move waiting before accelerated function to make acceleration more asynchronous to cpu (few % of speed improvement) - add cpu_relax() call in waiting loops - make longer register names and name more registers - move registers' definition to header - general code improvements (shortening, simplifying) Signed-off-by:
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