Commit 3b3ffd72 authored by Alex Deucher's avatar Alex Deucher
Browse files

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

This reverts commit fbc24293.

This results in inconsistent timing reported via asynchronous
GPU queries.

Link: https://lists.freedesktop.org/archives/amd-gfx/2023-May/093731.html


Cc: Jesse.Zhang@amd.com
Cc: michel@daenzer.net
Reviewed-by: default avatarMichel Dänzer <mdaenzer@redhat.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 59de751e

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

+4 −3
Original line number Diff line number Diff line
@@ -301,10 +301,11 @@ 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) ||

	    adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 0) ||

	    adev->ip_versions[MP1_HWIP][0] == IP_VERSION(10, 0, 1))

	    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(10, 0, 1))

		return reference_clock / 4;



	return reference_clock;

}