drm/amdgpu/gfx9: change the reference clock for raven/raven2

[Zhang, Jesse(Jie)]

[AMD Official Use Only - General]

    Due to switch to golden tsc register to get clock counter for raven/ raven2.
    Chang the reference clock from 25MHZ to 100MHZ.
    Signed-off-by: Jesse Zhang  jesse.zh...@amd.com<mailto:jesse.zh...@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c 
b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 7d04c39332ad..0367a97c606b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -301,11 +301,10 @@ static u32 soc15_get_xclk(struct amdgpu_device *adev)
        u32 reference_clock = adev->clock.spll.reference_freq;
        if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(12, 0, 0) ||
-           adev->ip_versions[MP1_HWIP][0] == IP_VERSION(12, 0, 1))
-               return 10000;
-       if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 0) ||
+           adev->ip_versions[MP1_HWIP][0] == IP_VERSION(12, 0, 1) ||
+           adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 0) ||
            adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 1))
-               return reference_clock / 4;
+               return 10000;
        return reference_clock;
}