3 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	f85392bcf9	drm/radeon: add dpm UVD handling for evergreen/btc asics ... Signed-off-by: Alex Deucher <alexander.deucher@amd.com>	2013-06-27 19:15:47 -04:00
Alex Deucher	66229b2005	drm/radeon/kms: add dpm support for rv7xx (v4) ... This adds dpm support for rv7xx asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching Set radeon.dpm=1 to enable. v2: reduce stack usage v3: fix 64 bit div v4: fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com>	2013-06-27 19:14:59 -04:00