From aee3960a0ca34f8bf7dbcdb330c4f37a0f94dd8a Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Thu, 13 Oct 2016 17:46:45 -0400 Subject: [PATCH] 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/si_dpm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c index 8bd08925b370..3de7bca5854b 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c @@ -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; -- 2.20.1