2 Commits

Author	SHA1	Message	Date
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