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| author | Alex Deucher <alexander.deucher@amd.com> | 2020-02-12 01:46:16 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 16:38:50 +0100 |
| commit | 8300ed5a21752ae1ef245119201536916e3fa086 (patch) | |
| tree | 9e6855b56a706fc870b00d8aa1d0bdd71c734822 | |
| parent | 837ba4829b9f6e6d0258da8e7fa2797cf735da94 (diff) | |
| download | linux-8300ed5a21752ae1ef245119201536916e3fa086.tar.gz linux-8300ed5a21752ae1ef245119201536916e3fa086.tar.bz2 linux-8300ed5a21752ae1ef245119201536916e3fa086.zip | |
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 83f2717fcf81..9e74f4304313 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -205,7 +205,12 @@ static u32 soc15_get_config_memsize(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; } |