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drm/radeon/atom: add helper to calcuate mpll params

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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>
This commit is contained in:
Alex Deucher 2013-02-13 16:38:25 -05:00
commit eaa778aff0
3 changed files with 79 additions and 0 deletions
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4
drivers/gpu/drm/radeon/radeon.h
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@ -219,6 +219,10 @@ int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
u32 clock,
bool strobe_mode,
struct atom_clock_dividers *dividers);
int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
u32 clock,
bool strobe_mode,
struct atom_mpll_param *mpll_param);
void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
u16 voltage_level, u8 voltage_type,