Commit fbc24293 authored by Jesse Zhang's avatar Jesse Zhang Committed by Alex Deucher
Browse files

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



Due to switch to golden tsc register to get clock counter for raven/ raven2.
Chang the reference clock from 25MHZ to 100MHZ.

Suggested-by: default avatarshanshengwang <shansheng.wang@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarJesse Zhang <jesse.zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f2206741

drivers/gpu/drm/amd/amdgpu/soc15.c

+3 −4
Original line number Diff line number Diff line
@@ -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;

}