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drm/radeon: adjust si_dpm function for code sharing 

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-04-29 18:53:52 -04:00
parent 286d9cc67a
commit 9dd9333b2f
1 changed files with 14 additions and 7 deletions
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21
drivers/gpu/drm/radeon/si_dpm.c
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@ -3759,19 +3759,20 @@ static bool si_validate_phase_shedding_tables(struct radeon_device *rdev,
}
static 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;
if (voltage_table->count <= SISLANDS_MAX_NO_VREG_STEPS)
if (voltage_table->count <= max_voltage_steps)
return;
diff = voltage_table->count - SISLANDS_MAX_NO_VREG_STEPS;
diff = voltage_table->count - max_voltage_steps;
for (i= 0; i < SISLANDS_MAX_NO_VREG_STEPS; i++)
for (i= 0; i < max_voltage_steps; i++)
voltage_table->entries[i] = voltage_table->entries[i + diff];
voltage_table->count = SISLANDS_MAX_NO_VREG_STEPS;
voltage_table->count = max_voltage_steps;
}
static int si_construct_voltage_tables(struct radeon_device *rdev)
@ -3787,7 +3788,9 @@ static int si_construct_voltage_tables(struct radeon_device *rdev)
return ret;
if (eg_pi->vddc_voltage_table.count > SISLANDS_MAX_NO_VREG_STEPS)
si_trim_voltage_table_to_fit_state_table(rdev, &eg_pi->vddc_voltage_table);
si_trim_voltage_table_to_fit_state_table(rdev,
SISLANDS_MAX_NO_VREG_STEPS,
&eg_pi->vddc_voltage_table);
if (eg_pi->vddci_control) {
ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_VDDCI,
@ -3796,7 +3799,9 @@ static int si_construct_voltage_tables(struct radeon_device *rdev)
return ret;
if (eg_pi->vddci_voltage_table.count > SISLANDS_MAX_NO_VREG_STEPS)
si_trim_voltage_table_to_fit_state_table(rdev, &eg_pi->vddci_voltage_table);
si_trim_voltage_table_to_fit_state_table(rdev,
SISLANDS_MAX_NO_VREG_STEPS,
&eg_pi->vddci_voltage_table);
}
if (pi->mvdd_control) {
@ -3814,7 +3819,9 @@ static int si_construct_voltage_tables(struct radeon_device *rdev)
}
if (si_pi->mvdd_voltage_table.count > SISLANDS_MAX_NO_VREG_STEPS)
si_trim_voltage_table_to_fit_state_table(rdev, &si_pi->mvdd_voltage_table);
si_trim_voltage_table_to_fit_state_table(rdev,
SISLANDS_MAX_NO_VREG_STEPS,
&si_pi->mvdd_voltage_table);
}
if (si_pi->vddc_phase_shed_control) {