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CONFIG_FB_STI: HP STI frame buffer device support

General informations

The Linux kernel configuration item CONFIG_FB_STI has multiple definitions:

HP STI frame buffer device support found in drivers/video/fbdev/Kconfig

The configuration item CONFIG_FB_STI:

Help text

STI refers to the HP "Standard Text Interface" which is a set of BIOS routines contained in a ROM chip in HP PA-RISC based machines. Enabling this option will implement the linux framebuffer device using calls to the STI BIOS routines for initialisation.

If you enable this option, you will get a planar framebuffer device /dev/fb which will work on the most common HP graphic cards of the NGLE family, including the artist chips (in the 7xx and Bxxx series), HCRX, HCRX24, CRX, CRX24 and VisEG series.

It is safe to enable this option, so you should probably say "Y".

HP STI frame buffer device support found in drivers/video/Kconfig

The configuration item CONFIG_FB_STI:

Help text

STI refers to the HP "Standard Text Interface" which is a set of BIOS routines contained in a ROM chip in HP PA-RISC based machines. Enabling this option will implement the linux framebuffer device using calls to the STI BIOS routines for initialisation.

If you enable this option, you will get a planar framebuffer device /dev/fb which will work on the most common HP graphic cards of the NGLE family, including the artist chips (in the 7xx and Bxxx series), HCRX, HCRX24, CRX, CRX24 and VisEG series.

It is safe to enable this option, so you should probably say "Y".

HP STI frame buffer device support found in drivers/video/Kconfig

The configuration item CONFIG_FB_STI:

Help text

STI refers to the HP "Standard Text Interface" which is a set of BIOS routines contained in a ROM chip in HP PA-RISC based machines. Enabling this option will implement the linux framebuffer device using calls to the STI BIOS routines for initialisation.

If you enable this option, you will get a planar framebuffer device /dev/fb which will work on the most common HP graphic cards of the NGLE family, including the artist chips (in the 7xx and Bxxx series), HCRX, HCRX24, CRX, CRX24 and VisEG series.

It is safe to enable this option, so you should probably say "Y".

Generic STI frame buffer device support found in drivers/video/Kconfig

The configuration item CONFIG_FB_STI:

Help text

STI refers to the HP "Standard Text Interface" which is a set of BIOS routines contained in a ROM chip in HP PA-RISC based machines. Enabling this option will implement the linux framebuffer device and an fbcon color text console using calls to the STI BIOS routines. The HP framebuffer device is usually planar, uses a strange memory layout, and changing the plane mask to create colored pixels requires a call to the STI routines, so do not expect /dev/fb to actually be useful. However, it is the best we have as far as graphics on the HP chipsets due to lack of hardware level documentation for the various on-board HP chipsets used in these systems. It is sufficient for basic text console functions, including fonts.

You should probably enable this option, unless you are having trouble getting video when booting the kernel (make sure it isn't just that you are running the console on the serial port, though). Really old HP boxes may not have STI, and must use the PDC BIOS console or the IODC BIOS.

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