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drm/amdgpu/si_dpm: Limit clocks on HD86xx part 

Limit clocks on a specific HD86xx part to avoid
crashes (while awaiting an appropriate PP fix).

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Tom St Denis 2016-10-13 17:46:45 -04:00 committed by Alex Deucher
parent 24e8df6a68
commit aee3960a0c
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/si_dpm.c
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@ -3499,6 +3499,12 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
max_sclk = 75000;
max_mclk = 80000;
}
/* Limit clocks for some HD8600 parts */
if (adev->pdev->device == 0x6660 &&
adev->pdev->revision == 0x83) {
max_sclk = 75000;
max_mclk = 80000;
}
if (rps->vce_active) {
rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;