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| author | Alex Deucher <alexander.deucher@amd.com> | 2020-02-12 16:51:29 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-02-13 00:04:40 +0300 |
| commit | e5f134958d07230ff9a806b1ec200239573e746f (patch) | |
| tree | 8508dd5b016f35b94d3a87a955abfa8d7a84cda2 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | |
| parent | b90c4d667c7e37b7265a92254a66492c1ad8bd2e (diff) | |
| download | linux-e5f134958d07230ff9a806b1ec200239573e746f.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
| -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; } |