From 288214575722c69339b4fd1268907323d7a5c07e Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 30 Jun 2017 09:58:34 -0400 Subject: [PATCH] drm/amdgpu/cgs: always set reference clock in mode_info It's relevent regardless of whether there are displays enabled. Fixes garbage values for ref clock in powerplay leading to incorrect fan speed reporting when displays are disabled. bug: https://bugs.freedesktop.org/show_bug.cgi?id=101653 Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 8b8eda7..c0a8062 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -838,9 +838,12 @@ static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device, return -EINVAL; mode_info = info->mode_info; - if (mode_info) + if (mode_info) { /* if the displays are off, vblank time is max */ mode_info->vblank_time_us = 0xffffffff; + /* always set the reference clock */ + mode_info->ref_clock = adev->clock.spll.reference_freq; + } if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { list_for_each_entry(crtc, -- 2.5.5