diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2020-02-12 08:51:29 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-02-14 12:58:58 -0500 |
| commit | 120cf959308e1bda984e40a9edd25ee2d6262efd (patch) | |
| tree | 1016da2801434647698d53771f1f6d901918a017 /drivers/gpu | |
| parent | drm/amdgpu/soc15: fix xclk for raven (diff) | |
| download | linux-dev-120cf959308e1bda984e40a9edd25ee2d6262efd.tar.xz linux-dev-120cf959308e1bda984e40a9edd25ee2d6262efd.zip | |
drm/amdgpu/gfx9: disable gfxoff when reading rlc clock
Otherwise we readback all ones. Fixes rlc counter
readback while gfxoff is active.
Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index b33a4eb39193..6d6aca08d6fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3959,6 +3959,7 @@ static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev) { uint64_t clock; + amdgpu_gfx_off_ctrl(adev, false); mutex_lock(&adev->gfx.gpu_clock_mutex); if (adev->asic_type == CHIP_VEGA10 && amdgpu_sriov_runtime(adev)) { uint32_t tmp, lsb, msb, i = 0; @@ -3977,6 +3978,7 @@ static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev) ((uint64_t)RREG32_SOC15(GC, 0, mmRLC_GPU_CLOCK_COUNT_MSB) << 32ULL); } mutex_unlock(&adev->gfx.gpu_clock_mutex); + amdgpu_gfx_off_ctrl(adev, true); return clock; } |