Sarah Walker f99f5f3ea7
drm/imagination: Add GPU ID parsing and firmware loading
Read the GPU ID register at probe time and select the correct
features/quirks/enhancements. Use the GPU ID to form the firmware
file name and load the firmware.

The features/quirks/enhancements arrays are currently hardcoded in
the driver for the supported GPUs. We are looking at moving this
information to the firmware image.

Changes since v8:
- Corrected license identifiers

Changes since v7:
- Fix kerneldoc for pvr_device_info_set_enhancements()

Changes since v5:
- Add BRN 71242 to device info

Changes since v4:
- Retrieve device information from firmware header
- Pull forward firmware header parsing from FW infrastructure patch
- Use devm_add_action_or_reset to release firmware

Changes since v3:
- Use drm_dev_{enter,exit}

Co-developed-by: Frank Binns <frank.binns@imgtec.com>
Signed-off-by: Frank Binns <frank.binns@imgtec.com>
Co-developed-by: Matt Coster <matt.coster@imgtec.com>
Signed-off-by: Matt Coster <matt.coster@imgtec.com>
Co-developed-by: Donald Robson <donald.robson@imgtec.com>
Signed-off-by: Donald Robson <donald.robson@imgtec.com>
Signed-off-by: Sarah Walker <sarah.walker@imgtec.com>
Link: https://lore.kernel.org/r/1ff76f7a5b45c742279c78910f8491b8a5e7f6e6.1700668843.git.donald.robson@imgtec.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
2023-11-23 09:01:46 +01:00
2023-11-11 17:17:22 -08:00
2023-11-10 16:35:04 -08:00
2023-11-04 08:07:19 -10:00
2023-11-03 09:28:53 -10:00
2023-11-04 08:07:19 -10:00
2023-11-03 09:48:17 -10:00
2023-11-12 10:58:08 -08:00
2023-09-07 13:52:20 -07:00
2022-09-28 09:02:20 +02:00
2022-10-10 12:00:45 -07:00
2023-11-12 16:19:07 -08:00

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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