[AMD Official Use Only - General] Thanks Hawking. I will update.
Regards, Stanley From: Zhang, Hawking <hawking.zh...@amd.com> Sent: Tuesday, April 11, 2023 12:05 PM To: Yang, Stanley <stanley.y...@amd.com>; amd-gfx@lists.freedesktop.org; Zhou1, Tao <tao.zh...@amd.com> Cc: Yang, Stanley <stanley.y...@amd.com> Subject: Re: [PATCH Review 2/2] drm/amdgpu: correct ras enabled flag [AMD Official Use Only - General] Just check gmc.xmgi.num_physical_nodes == 0 should be good enough for the case that we only have single ALDEBRAN/ARCURUS available in system. In such case, there is no need to expose xgmi_wafl ras node. Regards, Hawking From: Stanley.Yang <stanley.y...@amd.com<mailto:stanley.y...@amd.com>> Date: Monday, April 10, 2023 at 19:48 To: amd-gfx@lists.freedesktop.org<mailto:amd-gfx@lists.freedesktop.org> <amd-gfx@lists.freedesktop.org<mailto:amd-gfx@lists.freedesktop.org>>, Zhang, Hawking <hawking.zh...@amd.com<mailto:hawking.zh...@amd.com>>, Zhou1, Tao <tao.zh...@amd.com<mailto:tao.zh...@amd.com>> Cc: Yang, Stanley <stanley.y...@amd.com<mailto:stanley.y...@amd.com>> Subject: [PATCH Review 2/2] drm/amdgpu: correct ras enabled flag XGMI RAS should be according to the gmc xmgi supported flag and xgmi physical nodes number. Change-Id: Idf3600b30584b10b528e7237d103d84d5097b7e0 Signed-off-by: Stanley.Yang <stanley.y...@amd.com<mailto:stanley.y...@amd.com>> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 4069bce9479f..d26a93272bf2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2430,6 +2430,14 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev) else adev->ras_hw_enabled &= ~(1 << AMDGPU_RAS_BLOCK__VCN | 1 << AMDGPU_RAS_BLOCK__JPEG); + + /* + * XGMI RAS is determined by xgmi supported flags + * and xgmi num physical nodes + */ + if (!adev->gmc.xgmi.supported || + adev->gmc.xmgi.num_physical_nodes == 0) + adev->ras_hw_enabled &= ~(1 << AMDGPU_RAS_BLOCK__XGMI_WAFL); } else { dev_info(adev->dev, "SRAM ECC is not presented.\n"); } -- 2.17.1