This is a note to let you know that I've just added the patch titled
drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2)
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-set-reference-clock-to-100mhz-on-renoir-v2.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6e80fb8ab04f6c4f377e2fd422bdd1855beb7371 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Tue, 16 Feb 2021 10:57:00 -0500
Subject: drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2)
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From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 6e80fb8ab04f6c4f377e2fd422bdd1855beb7371 upstream.
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: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/soc15.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -241,6 +241,8 @@ static u32 soc15_get_xclk(struct amdgpu_
{
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;
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-5.11/drm-amdgpu-fix-macro-name-_amdgpu_trace_h_-in-prepro.patch
queue-5.11/drm-amd-display-fix-10-12-bpc-setup-in-dce-output-bi.patch
queue-5.11/drm-amdgpu-fix-cgts_tcc_disable-register-offset-on-gfx10.3.patch
queue-5.11/drm-amdgpu-prevent-shift-wrapping-in-amdgpu_read_mas.patch
queue-5.11/drm-amd-display-fix-hdmi-deep-color-output-for-dce-6.patch
queue-5.11/drm-amd-display-add-vupdate_no_lock-interrupts-for-dcn2.1.patch
queue-5.11/drm-amdkfd-fix-recursive-lock-warnings.patch
queue-5.11/drm-amdgpu-fix-shutdown-and-poweroff-process-failed-with-s0ix.patch
queue-5.11/drm-amdgpu-display-remove-hdcp_srm-sysfs-on-device-r.patch
queue-5.11/drm-amdgpu-set-reference-clock-to-100mhz-on-renoir-v2.patch
queue-5.11/drm-amdgpu-toggle-on-df-cstate-after-finishing-xgmi-.patch
queue-5.11/drm-amd-display-remove-assert-from-dcn10_get_dig_frontend.patch
queue-5.11/revert-drm-amd-display-update-nv1x-sr-latency-values.patch
queue-5.11/revert-drm-amd-display-reuse-current-context-instead-of-recreating-one.patch
queue-5.11/drm-amd-display-add-fpu-wrappers-to-dcn21_validate_bandwidth.patch
