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3 Commits

Author SHA1 Message Date
Alex Deucher 2d40038d3f drm/radeon: add hawaii dpm support 
This updates the CI dpm (dynamic power management)
support for hawaii.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-11-08 12:33:44 -05:00
Alex Deucher fe78118c46 drm/radeon: protect concurrent smc register access with a spinlock 
smc registers are access indirectly via the main mmio aperture, so
there may be problems with concurrent access.  This adds a spinlock
to protect access to this register space.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-09-11 11:44:28 -04:00
Alex Deucher cc8dbbb4f6 drm/radeon: add dpm support for CI dGPUs (v2) 
This adds dpm support for btc asics. This includes:
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen switching

Set radeon.dpm=1 to enable.

v2: remove unused radeon_atombios.c changes,
    make missing smc ucode non-fatal

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-08-30 16:30:29 -04:00