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Nick Hollinghurst f261c831ed drm: rp1: rp1-vec: Support 60fps in interlaced modes; other tweaks
To work around the 30fps buffer-flip rate limit when using VEC's
"native" interlaced modes, switch to sending individual fields
to the VEC BE, using an ISR to flip between fields.

When the TV mode is NTSC, change advertised progressive modes to
have 263 total lines; this ameliorates colour artifacts, although
it reduces the frame rate slightly from 60.05Hz to 59.83Hz.
Progressive modes with 262 lines remain supported.

Fix an error in equalising pulse configuration for PAL-M/PAL60.

Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
2025-12-01 15:37:41 +00:00
2025-12-01 15:37:18 +00:00
2025-02-19 14:53:27 -07:00
2025-12-01 11:46:09 +01:00
2024-03-18 03:36:32 -06:00

Linux kernel

There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first.

In order to build the documentation, use make htmldocs or make pdfdocs. The formatted documentation can also be read online at:

https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.

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