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drm/radeon: add dpm support for CI dGPUs (v2)

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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>
This commit is contained in:
Alex Deucher
2013-08-14 01:03:41 -04:00
parent 41a524abff
commit cc8dbbb4f6
15 changed files with 6447 additions and 15 deletions
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10
drivers/gpu/drm/radeon/si_dpm.c
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@@ -3663,7 +3663,7 @@ static void si_clear_vc(struct radeon_device *rdev)
WREG32(CG_FTV, 0);
}
static u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock)
u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock)
{
u8 mc_para_index;
@@ -3676,7 +3676,7 @@ static u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock)
return mc_para_index;
}
static u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode)
u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode)
{
u8 mc_para_index;
@@ -3758,9 +3758,9 @@ static bool si_validate_phase_shedding_tables(struct radeon_device *rdev,
return true;
}
static void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
u32 max_voltage_steps,
struct atom_voltage_table *voltage_table)
void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
u32 max_voltage_steps,
struct atom_voltage_table *voltage_table)
{
unsigned int i, diff;