On chips that support user queues, setting this option will disable kernel queues to be used to validate user queues without kernel queues. 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
