Ping?
On Fri, Jan 23, 2026 at 2:22 PM Alex Deucher <[email protected]> wrote: > > The reference clock is supposed to be 100Mhz, but it > appears to actually be slightly lower (99.81Mhz). > > Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/14451 > Signed-off-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/soc21.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c > b/drivers/gpu/drm/amd/amdgpu/soc21.c > index 2da733b45c21a..d9cc649d81ad4 100644 > --- a/drivers/gpu/drm/amd/amdgpu/soc21.c > +++ b/drivers/gpu/drm/amd/amdgpu/soc21.c > @@ -256,7 +256,13 @@ static u32 soc21_get_config_memsize(struct amdgpu_device > *adev) > > static u32 soc21_get_xclk(struct amdgpu_device *adev) > { > - return adev->clock.spll.reference_freq; > + u32 reference_clock = adev->clock.spll.reference_freq; > + > + /* reference clock is actually 99.81 Mhz rather than 100 Mhz */ > + if ((adev->flags & AMD_IS_APU) && reference_clock == 10000) > + return 9981; > + > + return reference_clock; > } > > > -- > 2.52.0 >
