[Public]
Reviewed-by: Prike Liang <Prike.Liang@xxxxxxx>
Regards,
Prike
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex
> Deucher
> Sent: Friday, March 7, 2025 11:16 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Khatri, Sunil
> <Sunil.Khatri@xxxxxxx>
> Subject: [PATCH 01/11] drm/amdgpu: add parameter to disable kernel queues
>
> On chips that support user queues, setting this option will disable kernel queues to
> be used to validate user queues without kernel queues.
>
> Reviewed-by: Sunil Khatri <sunil.khatri@xxxxxxx>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 9 +++++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 87062c1adcdf7..45437a8f29d3b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -270,6 +270,7 @@ extern int amdgpu_user_partt_mode; extern int
> amdgpu_agp;
>
> extern int amdgpu_wbrf;
> +extern int amdgpu_disable_kq;
>
> #define AMDGPU_VM_MAX_NUM_CTX 4096
> #define AMDGPU_SG_THRESHOLD (256*1024*1024)
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index b161daa900198..42a7619592ab9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -237,6 +237,7 @@ int amdgpu_agp = -1; /* auto */ int amdgpu_wbrf = -1;
> int amdgpu_damage_clips = -1; /* auto */ int amdgpu_umsch_mm_fwlog;
> +int amdgpu_disable_kq = -1;
>
> DECLARE_DYNDBG_CLASSMAP(drm_debug_classes,
> DD_CLASS_TYPE_DISJOINT_BITS, 0,
> "DRM_UT_CORE",
> @@ -1083,6 +1084,14 @@ MODULE_PARM_DESC(wbrf,
> "Enable Wifi RFI interference mitigation (0 = disabled, 1 = enabled, -1 =
> auto(default)"); module_param_named(wbrf, amdgpu_wbrf, int, 0444);
>
> +/**
> + * DOC: disable_kq (int)
> + * Disable kernel queues on systems that support user queues.
> + * (0 = kernel queues enabled, 1 = kernel queues disabled, -1 = auto
> +(default setting)) */ MODULE_PARM_DESC(disable_kq, "Disable kernel
> +queues (-1 = auto (default), 0 = enable KQ, 1 = disable KQ)");
> +module_param_named(disable_kq, amdgpu_disable_kq, int, 0444);
> +
> /* These devices are not supported by amdgpu.
> * They are supported by the mach64, r128, radeon drivers
> */
> --
> 2.48.1
