From: Jack Xiao Date: Fri, 25 Jan 2019 06:11:35 +0000 (+0800) Subject: drm/amdgpu/mes: add amdgpu_mes driver parameter X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=384872846f719760645dbe1b0c70edccb9cc941a;p=uclinux-h8%2Flinux.git drm/amdgpu/mes: add amdgpu_mes driver parameter amdgpu_mes, which is a driver scope parameter, is used to whether enable mes or not. MES (Micro Engine Scheduler) is the new on chip hw scheduling microcontroller. It can be used to handle queue scheduling and preemption and priorities. Acked-by: Hawking Zhang Signed-off-by: Jack Xiao Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 60b5ae7dac84..48abe15d744a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -162,6 +162,7 @@ extern uint amdgpu_ras_mask; extern int amdgpu_async_gfx_ring; extern int amdgpu_mcbp; extern int amdgpu_discovery; +extern int amdgpu_mes; #ifdef CONFIG_DRM_AMDGPU_SI extern int amdgpu_si_support; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index df1a298b2843..d23886bcc040 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -139,6 +139,7 @@ uint amdgpu_dc_feature_mask = 0; int amdgpu_async_gfx_ring = 1; int amdgpu_mcbp = 0; int amdgpu_discovery = 0; +int amdgpu_mes = 0; struct amdgpu_mgpu_info mgpu_info = { .mutex = __MUTEX_INITIALIZER(mgpu_info.mutex), @@ -584,6 +585,10 @@ MODULE_PARM_DESC(discovery, "Allow driver to discover hardware IPs from IP Discovery table at the top of VRAM"); module_param_named(discovery, amdgpu_discovery, int, 0444); +MODULE_PARM_DESC(mes, + "Enable Micro Engine Scheduler (0 = disabled (default), 1 = enabled)"); +module_param_named(mes, amdgpu_mes, int, 0444); + #ifdef CONFIG_HSA_AMD /** * DOC: sched_policy (int)