This is a note to let you know that I've just added the patch titled
drm/amdgpu: disable GFXOFF during compute for GFX11
to the 6.0-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-disable-gfxoff-during-compute-for-gfx11.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a3e5ce56f3d260f2ec8e5242c33f57e60ae9eba7 Mon Sep 17 00:00:00 2001
From: Graham Sider <Graham.Sider@xxxxxxx>
Date: Wed, 26 Oct 2022 15:08:24 -0400
Subject: drm/amdgpu: disable GFXOFF during compute for GFX11
From: Graham Sider <Graham.Sider@xxxxxxx>
commit a3e5ce56f3d260f2ec8e5242c33f57e60ae9eba7 upstream.
Temporary workaround to fix issues observed in some compute applications
when GFXOFF is enabled on GFX11.
Signed-off-by: Graham Sider <Graham.Sider@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.0.x
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -703,6 +703,13 @@ err:
void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle)
{
+ /* Temporary workaround to fix issues observed in some
+ * compute applications when GFXOFF is enabled on GFX11.
+ */
+ if (IP_VERSION_MAJ(adev->ip_versions[GC_HWIP][0]) == 11) {
+ pr_debug("GFXOFF is %s\n", idle ? "enabled" : "disabled");
+ amdgpu_gfx_off_ctrl(adev, idle);
+ }
amdgpu_dpm_switch_power_profile(adev,
PP_SMC_POWER_PROFILE_COMPUTE,
!idle);
Patches currently in stable-queue which might be from Graham.Sider@xxxxxxx are
queue-6.0/drm-amdgpu-disable-gfxoff-during-compute-for-gfx11.patch
