drm/radeon/dpm/cayman: restructure code

Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm/sumo: restructure code

Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm/tn: restructure code

Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: add new pre/post_set_power_state callbacks

Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: add pre/post_set_power_state callbacks (6xx-eg)

For r6xx-evergreen, they are no-ops as they don't support
any dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: add pre/post_set_power_state callback (sumo)

This properly implemented dynamic state adjustment by
using a working copy of the requested and current
power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: add pre/post_set_power_state callback (TN)

This properly implemented dynamic state adjustment by
using a working copy of the requested and current
power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: add pre/post_set_power_state callback (BTC)

This properly implemented dynamic state adjustment by
using a working copy of the requested and current
power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: add pre/post_set_power_state callback (cayman)

This properly implemented dynamic state adjustment by
using a working copy of the requested and current
power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: remove broken dyn state remnants

Now that the proper fix has been implemented I can
remove the last remnants of the initial implementation.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: add missing UVD clock set in cayman dpm code

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/dpm: remove local sumo_get_xclk()

Use the new asic callback instead.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: implement apci perf request

These functions use acpi methods to adjust the pcie
gen speed.  Used by DPM.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon/atom: add helper to calcuate mpll params

There's a new table for calculating the memory pll
parameters on SI.  Required for SI DPM support.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: update radeon_atom_is_voltage_gpio() for SI

SI uses a new atom table.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: update radeon_atom_get_voltage_table() for SI

SI uses a new atom table revision.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: implement pcie gen2/3 support for SI

If both the motherboard and GPU support pcie gen2 or 3,
enable it.  PCIE gen2 and 3 offer more bandwidth than
pcie gen1.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: add accessors of pif_phy indirect register space

Required for accessing certain pcie related registers.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: add support for ASPM on evergreen asics

Enables PCIE ASPM (Active State Power Management) on
evergreen-cayman asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/radeon: add support for ASPM on SI asics (v2)

Enables PCIE ASPM (Active State Power Management) on
SI asics.

v2: fix typo

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>