[PATCH 1/4] drm/amdgpu: Use 100M as refclock for SOCv1.0
Alex Deucher <[email protected]>
| Newsgroups | org.freedesktop.lists.amd-gfx |
|---|---|
| Message-ID | <[email protected]> |
From: Lijo Lazar <[email protected]> When VBIOS is not available, fallback to use 100M for refclock value. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Mukul Joshi <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/soc_v1_0.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c b/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c index 3c1ddbd1b93f7..5e40fb0cdaf2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/soc_v1_0.c @@ -149,7 +149,11 @@ static u32 soc_v1_0_get_config_memsize(struct amdgpu_device *adev) static u32 soc_v1_0_get_xclk(struct amdgpu_device *adev) { - return adev->clock.spll.reference_freq; + /* 100MHz is the default */ + if (!adev->bios) + return 10000; + else + return adev->clock.spll.reference_freq; } void soc_v1_0_grbm_select(struct amdgpu_device *adev, -- 2.55.0