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drm/radeon/ci: force pcie level before sclk and mclk

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2014-11-18 14:40:26 -05:00
parent e745c3c9aa
commit 7f6233ca87
1 changed files with 19 additions and 19 deletions
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38
drivers/gpu/drm/radeon/ci_dpm.c
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@ -4143,6 +4143,25 @@ int ci_dpm_force_performance_level(struct radeon_device *rdev,
int ret;
if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
if ((!pi->pcie_dpm_key_disabled) &&
pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
levels = 0;
tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask;
while (tmp >>= 1)
levels++;
if (levels) {
ret = ci_dpm_force_state_pcie(rdev, level);
if (ret)
return ret;
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) &
CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT;
if (tmp == levels)
break;
udelay(1);
}
}
}
if ((!pi->sclk_dpm_key_disabled) &&
pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {
levels = 0;
@ -4181,25 +4200,6 @@ int ci_dpm_force_performance_level(struct radeon_device *rdev,
}
}
}
if ((!pi->pcie_dpm_key_disabled) &&
pi->dpm_level_enable_mask.pcie_dpm_enable_mask) {
levels = 0;
tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask;
while (tmp >>= 1)
levels++;
if (levels) {
ret = ci_dpm_force_state_pcie(rdev, level);
if (ret)
return ret;
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) &
CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT;
if (tmp == levels)
break;
udelay(1);
}
}
}
} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
if ((!pi->sclk_dpm_key_disabled) &&
pi->dpm_level_enable_mask.sclk_dpm_enable_mask) {