Commit 6e80fb8a authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2) 

Fixes the rlc reference clock used for GPU timestamps.
Value is 100Mhz.  Confirmed with hardware team.

v2: reword commit message.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1480


Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 7e6435c1

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

+2 −0
Original line number Diff line number Diff line
@@ -233,6 +233,8 @@ static u32 soc15_get_xclk(struct amdgpu_device *adev) 
{

	u32 reference_clock = adev->clock.spll.reference_freq;



	if (adev->asic_type == CHIP_RENOIR)

		return 10000;

	if (adev->asic_type == CHIP_RAVEN)

		return reference_clock / 4;