Its placement under advanced performance mode prevents other controls that
operate the frequencies from having any effect. Additionally, it causes some
users to mistake it with the overdrive frequency range controls when
ppfeaturemask is set.

This change moves the fixed frequency control out of the advanced performance
mode and replaces the profile based fixed performance mode for hardware running
the amdgpu driver on kernels >= 4.18.

Closes #478.

Closes #453.

Closes #430.

Qt 6 Material style has deviate so much from the Qt 5 implementation that is no
longer a good fit for a desktop application like this one.

Switch to Universal style and customize it to retain the general look and feel
of the previous versions of the application.

Closes #448.

Closes #477.

translation: add Brazilian Portuguese

See merge request !49

Lang: Add Georgian translation

See merge request !46

To avoid overriding Qt superclass stateChanged signal.

The real EPP hints are intended for use with the 'powersave' scaling governor
and can only be obtained when this mode is active.

Set the scaling governor to 'powersave' in the pre-init phase to ensure the
available hints can be read during the init phase.

Fixes #466
Closes !48

Fixes #447.

RX 7600 introduced a new data format structured where power profiles are defined
in columns. The supported data format was included on Linux 6.11[1].

See #447.

[1] https://gitlab.freedesktop.org/drm/amd/-/issues/3543

This change introduces a new Input template parameter to SysFSDataSource.

The Input parameter has the type SysFSDataType and it allows to transform the
whole source data to a Output type data by using the transformation function
supplied at construction time and the type std::vector<string> is used as the
Input template parameter.

As the main window is not visible by default, this property must be set
unconditionally based on the system tray availability, its user options and the
window related command line arguments.

Fixes #458.