diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2020-02-12 09:46:16 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 18:36:12 +0300 |
| commit | edae04b8f4632b19acf1f11345e7d22264f73a86 (patch) | |
| tree | 6d8da214b0cb06b83e0e9fd7cc9789226f8860ac | |
| parent | e3880aaacc5fb7b75af72286158d12c1c54d630e (diff) | |
| download | linux-edae04b8f4632b19acf1f11345e7d22264f73a86.tar.xz | |
drm/amdgpu/soc15: fix xclk for raven
commit c657b936ea98630ef5ba4f130ab1ad5c534d0165 upstream.
It's 25 Mhz (refclk / 4). This fixes the interpretation
of the rlc clock counter.
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index ff7d4827385e..7a2366bd1fba 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -279,7 +279,12 @@ static void soc15_init_golden_registers(struct amdgpu_device *adev) } static u32 soc15_get_xclk(struct amdgpu_device *adev) { - return adev->clock.spll.reference_freq; + u32 reference_clock = adev->clock.spll.reference_freq; + + if (adev->asic_type == CHIP_RAVEN) + return reference_clock / 4; + + return reference_clock; } |