From 90580da8ce3f78461b1c33d075cb4ebf847d1efe Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Tue, 4 Aug 2026 21:24:33 +0530 Subject: [PATCH] drm/amdgpu: Use 100M as refclock for SOCv1.0 When VBIOS is not available, fallback to use 100M for refclock value. Signed-off-by: Lijo Lazar Reviewed-by: Mukul Joshi Signed-off-by: Alex Deucher --- 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 3c1ddbd1b93f..5e40fb0cdaf2 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,