diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-06-20 02:37:07 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-06-20 02:37:07 +0000 |
| commit | 37870f1b7b0512c4afbd01b844a8e9ce6036dc7b (patch) | |
| tree | d1431016aae9885940a8f916a910a61d9fd35804 /sys | |
| parent | b8cc20722c713049d4be9f3caa9bb38b672456d4 (diff) | |
drm/amdgpu: fix xclk freq on CHIP_STONEY
From Chia-I Wu
34419aa0b448b0eee941102793893e0e256abda1 in linux-6.1.y/6.1.34
b447b079cf3a9971ea4d31301e673f49612ccc18 in mainline linux
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/drm/amd/amdgpu/vi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/vi.c b/sys/dev/pci/drm/amd/amdgpu/vi.c index 1e52c5f581e..2a3fbba7605 100644 --- a/sys/dev/pci/drm/amd/amdgpu/vi.c +++ b/sys/dev/pci/drm/amd/amdgpu/vi.c @@ -542,8 +542,15 @@ static u32 vi_get_xclk(struct amdgpu_device *adev) u32 reference_clock = adev->clock.spll.reference_freq; u32 tmp; - if (adev->flags & AMD_IS_APU) - return reference_clock; + if (adev->flags & AMD_IS_APU) { + switch (adev->asic_type) { + case CHIP_STONEY: + /* vbios says 48Mhz, but the actual freq is 100Mhz */ + return 10000; + default: + return reference_clock; + } + } tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2); if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK)) |